./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e049f39696e0e2fc7054b0acc87989611b1a924bf2e3afb40163a5b9343b74f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 20:38:45,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:38:45,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:38:45,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:38:45,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:38:45,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:38:45,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:38:45,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:38:45,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:38:45,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:38:45,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:38:45,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:38:45,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:38:45,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:38:45,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:38:45,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:38:45,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:38:45,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:38:45,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:38:45,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:38:45,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:38:45,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:38:45,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:38:45,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:38:45,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:38:45,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:38:45,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:38:45,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:38:45,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:38:45,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:38:45,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:38:45,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:38:45,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:38:45,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:38:45,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:38:45,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:38:45,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:38:45,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:38:45,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:38:45,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:38:46,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:38:46,001 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 20:38:46,023 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:38:46,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:38:46,023 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:38:46,023 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:38:46,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:38:46,024 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:38:46,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:38:46,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:38:46,025 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:38:46,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:38:46,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:38:46,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:38:46,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:38:46,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:38:46,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:38:46,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:38:46,027 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:38:46,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:38:46,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:38:46,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:38:46,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:38:46,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:38:46,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:38:46,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:38:46,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:38:46,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:38:46,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:38:46,029 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:38:46,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:38:46,029 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:38:46,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:38:46,030 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:38:46,030 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e049f39696e0e2fc7054b0acc87989611b1a924bf2e3afb40163a5b9343b74f [2022-12-13 20:38:46,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:38:46,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:38:46,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:38:46,237 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:38:46,237 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:38:46,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c [2022-12-13 20:38:48,732 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:38:48,891 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:38:48,891 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c [2022-12-13 20:38:48,896 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/data/c4af1dec0/6bd27f30c07f41248f16417a4910d05d/FLAGe34cdc605 [2022-12-13 20:38:49,312 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/data/c4af1dec0/6bd27f30c07f41248f16417a4910d05d [2022-12-13 20:38:49,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:38:49,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:38:49,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:38:49,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:38:49,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:38:49,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:38:49" (1/1) ... [2022-12-13 20:38:49,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a457b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:49, skipping insertion in model container [2022-12-13 20:38:49,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:38:49" (1/1) ... [2022-12-13 20:38:49,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:38:49,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:38:49,473 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_9f897286-ea9d-49b2-b94d-11cee24cd2ca/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c[1107,1120] [2022-12-13 20:38:49,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:38:49,515 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:38:49,524 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_9f897286-ea9d-49b2-b94d-11cee24cd2ca/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c[1107,1120] [2022-12-13 20:38:49,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:38:49,557 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:38:49,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:49 WrapperNode [2022-12-13 20:38:49,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:38:49,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:38:49,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:38:49,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:38:49,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:49" (1/1) ... [2022-12-13 20:38:49,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:49" (1/1) ... [2022-12-13 20:38:49,592 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2022-12-13 20:38:49,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:38:49,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:38:49,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:38:49,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:38:49,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:49" (1/1) ... [2022-12-13 20:38:49,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:49" (1/1) ... [2022-12-13 20:38:49,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:49" (1/1) ... [2022-12-13 20:38:49,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:49" (1/1) ... [2022-12-13 20:38:49,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:49" (1/1) ... [2022-12-13 20:38:49,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:49" (1/1) ... [2022-12-13 20:38:49,610 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:49" (1/1) ... [2022-12-13 20:38:49,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:49" (1/1) ... [2022-12-13 20:38:49,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:38:49,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:38:49,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:38:49,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:38:49,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:49" (1/1) ... [2022-12-13 20:38:49,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:38:49,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:38:49,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:38:49,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:38:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:38:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:38:49,735 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:38:49,737 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:38:49,853 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:38:49,859 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:38:49,859 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 20:38:49,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:38:49 BoogieIcfgContainer [2022-12-13 20:38:49,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:38:49,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:38:49,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:38:49,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:38:49,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:38:49" (1/3) ... [2022-12-13 20:38:49,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77682c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:38:49, skipping insertion in model container [2022-12-13 20:38:49,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:49" (2/3) ... [2022-12-13 20:38:49,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77682c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:38:49, skipping insertion in model container [2022-12-13 20:38:49,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:38:49" (3/3) ... [2022-12-13 20:38:49,867 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p3.c [2022-12-13 20:38:49,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:38:49,882 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:38:49,918 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:38:49,922 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@504ecc8c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:38:49,923 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:38:49,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:38:49,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 20:38:49,930 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:38:49,931 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 20:38:49,931 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:38:49,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:38:49,935 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 20:38:49,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:38:49,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851722038] [2022-12-13 20:38:49,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:38:49,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:38:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:38:50,090 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:38:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:38:50,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:38:50,151 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:38:50,152 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 20:38:50,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:38:50,157 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 20:38:50,160 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:38:50,171 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 20:38:50,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:38:50 BoogieIcfgContainer [2022-12-13 20:38:50,179 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:38:50,180 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:38:50,180 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:38:50,180 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:38:50,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:38:49" (3/4) ... [2022-12-13 20:38:50,183 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 20:38:50,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:38:50,185 INFO L158 Benchmark]: Toolchain (without parser) took 866.96ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 93.9MB in the beginning and 118.2MB in the end (delta: -24.3MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2022-12-13 20:38:50,185 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 69.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:38:50,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.61ms. Allocated memory is still 125.8MB. Free memory was 93.4MB in the beginning and 82.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 20:38:50,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.30ms. Allocated memory is still 125.8MB. Free memory was 82.4MB in the beginning and 80.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:38:50,187 INFO L158 Benchmark]: Boogie Preprocessor took 21.00ms. Allocated memory is still 125.8MB. Free memory was 80.4MB in the beginning and 79.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:38:50,188 INFO L158 Benchmark]: RCFGBuilder took 245.56ms. Allocated memory is still 125.8MB. Free memory was 79.2MB in the beginning and 64.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 20:38:50,189 INFO L158 Benchmark]: TraceAbstraction took 316.56ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 64.1MB in the beginning and 118.2MB in the end (delta: -54.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:38:50,189 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 153.1MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:38:50,192 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 69.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.61ms. Allocated memory is still 125.8MB. Free memory was 93.4MB in the beginning and 82.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.30ms. Allocated memory is still 125.8MB. Free memory was 82.4MB in the beginning and 80.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.00ms. Allocated memory is still 125.8MB. Free memory was 80.4MB in the beginning and 79.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 245.56ms. Allocated memory is still 125.8MB. Free memory was 79.2MB in the beginning and 64.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 316.56ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 64.1MB in the beginning and 118.2MB in the end (delta: -54.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.82ms. Allocated memory is still 153.1MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 88, overapproximation of bitwiseOr at line 97, overapproximation of bitwiseAnd at line 91. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 16); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 1); [L31] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 3); [L32] const SORT_6 msb_SORT_6 = (SORT_6)1 << (3 - 1); [L34] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 2); [L35] const SORT_12 msb_SORT_12 = (SORT_12)1 << (2 - 1); [L37] const SORT_35 mask_SORT_35 = (SORT_35)-1 >> (sizeof(SORT_35) * 8 - 12); [L38] const SORT_35 msb_SORT_35 = (SORT_35)1 << (12 - 1); [L40] const SORT_6 var_7 = 0; [L41] const SORT_12 var_14 = 0; [L42] const SORT_1 var_19 = 1; [L43] const SORT_6 var_49 = 1; [L44] const SORT_6 var_51 = 4; [L46] SORT_1 input_2; [L47] SORT_3 input_4; [L48] SORT_3 input_5; [L49] SORT_3 input_23; [L50] SORT_3 input_25; [L51] SORT_3 input_27; [L52] SORT_1 input_29; [L53] SORT_3 input_31; [L54] SORT_3 input_33; [L55] SORT_35 input_36; [L56] SORT_35 input_38; [L57] SORT_3 input_40; [L58] SORT_3 input_42; [L59] SORT_3 input_44; [L60] SORT_3 input_46; [L62] SORT_6 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L64] SORT_6 init_9_arg_1 = var_7; [L65] state_8 = init_9_arg_1 VAL [init_9_arg_1=0, mask_SORT_1=1, mask_SORT_12=3, mask_SORT_3=65535, mask_SORT_35=4095, mask_SORT_6=7, msb_SORT_1=1, msb_SORT_12=2, msb_SORT_3=32768, msb_SORT_35=2048, msb_SORT_6=4, state_8=0, var_14=0, var_19=1, var_49=1, var_51=4, var_7=0] [L68] input_2 = __VERIFIER_nondet_uchar() [L69] input_4 = __VERIFIER_nondet_ushort() [L70] input_5 = __VERIFIER_nondet_ushort() [L71] input_23 = __VERIFIER_nondet_ushort() [L72] input_25 = __VERIFIER_nondet_ushort() [L73] input_27 = __VERIFIER_nondet_ushort() [L74] input_29 = __VERIFIER_nondet_uchar() [L75] input_31 = __VERIFIER_nondet_ushort() [L76] input_33 = __VERIFIER_nondet_ushort() [L77] input_36 = __VERIFIER_nondet_ushort() [L78] input_38 = __VERIFIER_nondet_ushort() [L79] input_40 = __VERIFIER_nondet_ushort() [L80] input_42 = __VERIFIER_nondet_ushort() [L81] input_44 = __VERIFIER_nondet_ushort() [L82] input_46 = __VERIFIER_nondet_ushort() [L85] SORT_6 var_10_arg_0 = state_8; [L86] SORT_1 var_10 = var_10_arg_0 >> 2; [L87] SORT_1 var_11_arg_0 = var_10; [L88] SORT_1 var_11 = ~var_11_arg_0; [L89] SORT_6 var_13_arg_0 = state_8; [L90] SORT_12 var_13 = var_13_arg_0 >> 0; [L91] var_13 = var_13 & mask_SORT_12 [L92] SORT_12 var_15_arg_0 = var_13; [L93] SORT_12 var_15_arg_1 = var_14; [L94] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L95] SORT_1 var_16_arg_0 = var_11; [L96] SORT_1 var_16_arg_1 = var_15; [L97] SORT_1 var_16 = var_16_arg_0 | var_16_arg_1; [L98] SORT_1 var_20_arg_0 = var_16; [L99] SORT_1 var_20 = ~var_20_arg_0; [L100] SORT_1 var_21_arg_0 = var_19; [L101] SORT_1 var_21_arg_1 = var_20; [L102] SORT_1 var_21 = var_21_arg_0 & var_21_arg_1; [L103] var_21 = var_21 & mask_SORT_1 [L104] SORT_1 bad_22_arg_0 = var_21; [L105] CALL __VERIFIER_assert(!(bad_22_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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=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: 0.0s 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 could not prove your program: unable to determine feasibility of some traces [2022-12-13 20:38:50,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e049f39696e0e2fc7054b0acc87989611b1a924bf2e3afb40163a5b9343b74f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 20:38:51,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:38:51,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:38:51,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:38:51,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:38:51,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:38:51,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:38:51,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:38:51,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:38:51,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:38:51,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:38:51,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:38:51,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:38:51,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:38:51,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:38:51,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:38:51,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:38:51,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:38:51,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:38:51,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:38:51,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:38:51,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:38:51,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:38:51,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:38:51,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:38:51,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:38:51,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:38:51,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:38:51,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:38:51,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:38:51,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:38:51,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:38:51,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:38:51,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:38:51,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:38:51,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:38:51,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:38:51,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:38:51,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:38:51,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:38:51,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:38:51,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 20:38:51,924 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:38:51,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:38:51,924 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:38:51,925 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:38:51,925 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:38:51,926 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:38:51,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:38:51,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:38:51,927 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:38:51,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:38:51,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:38:51,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:38:51,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:38:51,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:38:51,928 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 20:38:51,928 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 20:38:51,928 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 20:38:51,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:38:51,928 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:38:51,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:38:51,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:38:51,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:38:51,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:38:51,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:38:51,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:38:51,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:38:51,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:38:51,930 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 20:38:51,930 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 20:38:51,931 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:38:51,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:38:51,931 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:38:51,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:38:51,931 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 20:38:51,932 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:38:51,932 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e049f39696e0e2fc7054b0acc87989611b1a924bf2e3afb40163a5b9343b74f [2022-12-13 20:38:52,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:38:52,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:38:52,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:38:52,200 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:38:52,200 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:38:52,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c [2022-12-13 20:38:54,825 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:38:54,991 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:38:54,992 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c [2022-12-13 20:38:54,997 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/data/6a27d120d/92f9bc2f5ac545b7b7a4b0a24206db99/FLAGce6b9841a [2022-12-13 20:38:55,008 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/data/6a27d120d/92f9bc2f5ac545b7b7a4b0a24206db99 [2022-12-13 20:38:55,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:38:55,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:38:55,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:38:55,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:38:55,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:38:55,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:38:55" (1/1) ... [2022-12-13 20:38:55,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee31773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:55, skipping insertion in model container [2022-12-13 20:38:55,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:38:55" (1/1) ... [2022-12-13 20:38:55,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:38:55,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:38:55,128 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_9f897286-ea9d-49b2-b94d-11cee24cd2ca/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c[1107,1120] [2022-12-13 20:38:55,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:38:55,163 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:38:55,171 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_9f897286-ea9d-49b2-b94d-11cee24cd2ca/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c[1107,1120] [2022-12-13 20:38:55,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:38:55,198 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:38:55,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:55 WrapperNode [2022-12-13 20:38:55,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:38:55,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:38:55,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:38:55,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:38:55,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:55" (1/1) ... [2022-12-13 20:38:55,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:55" (1/1) ... [2022-12-13 20:38:55,226 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2022-12-13 20:38:55,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:38:55,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:38:55,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:38:55,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:38:55,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:55" (1/1) ... [2022-12-13 20:38:55,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:55" (1/1) ... [2022-12-13 20:38:55,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:55" (1/1) ... [2022-12-13 20:38:55,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:55" (1/1) ... [2022-12-13 20:38:55,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:55" (1/1) ... [2022-12-13 20:38:55,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:55" (1/1) ... [2022-12-13 20:38:55,245 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:55" (1/1) ... [2022-12-13 20:38:55,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:55" (1/1) ... [2022-12-13 20:38:55,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:38:55,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:38:55,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:38:55,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:38:55,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:55" (1/1) ... [2022-12-13 20:38:55,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:38:55,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:38:55,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:38:55,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:38:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:38:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:38:55,385 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:38:55,386 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:38:55,490 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:38:55,495 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:38:55,496 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 20:38:55,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:38:55 BoogieIcfgContainer [2022-12-13 20:38:55,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:38:55,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:38:55,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:38:55,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:38:55,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:38:55" (1/3) ... [2022-12-13 20:38:55,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26137e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:38:55, skipping insertion in model container [2022-12-13 20:38:55,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:55" (2/3) ... [2022-12-13 20:38:55,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26137e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:38:55, skipping insertion in model container [2022-12-13 20:38:55,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:38:55" (3/3) ... [2022-12-13 20:38:55,503 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p3.c [2022-12-13 20:38:55,517 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:38:55,517 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:38:55,556 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:38:55,563 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2bdf60bf, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:38:55,563 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:38:55,566 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:38:55,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 20:38:55,570 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:38:55,571 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 20:38:55,571 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:38:55,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:38:55,575 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 20:38:55,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:38:55,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2105251670] [2022-12-13 20:38:55,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:38:55,587 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:38:55,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:38:55,589 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 20:38:55,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 20:38:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:55,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-13 20:38:55,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:38:55,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:38:55,808 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:38:55,808 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:38:55,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2105251670] [2022-12-13 20:38:55,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2105251670] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:38:55,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:38:55,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:38:55,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364863518] [2022-12-13 20:38:55,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:38:55,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:38:55,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:38:55,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:38:55,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:38:55,842 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:38:55,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:38:55,884 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-12-13 20:38:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:38:55,886 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-13 20:38:55,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:38:55,893 INFO L225 Difference]: With dead ends: 20 [2022-12-13 20:38:55,893 INFO L226 Difference]: Without dead ends: 11 [2022-12-13 20:38:55,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:38:55,898 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:38:55,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:38:55,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-13 20:38:55,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-12-13 20:38:55,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:38:55,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-13 20:38:55,920 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-12-13 20:38:55,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:38:55,921 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-13 20:38:55,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:38:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-13 20:38:55,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 20:38:55,921 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:38:55,922 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-13 20:38:55,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 20:38:56,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:38:56,124 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:38:56,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:38:56,127 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-12-13 20:38:56,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:38:56,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1446768439] [2022-12-13 20:38:56,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:38:56,132 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:38:56,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:38:56,137 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 20:38:56,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 20:38:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:56,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 31 conjunts are in the unsatisfiable core [2022-12-13 20:38:56,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:38:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:38:56,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 20:38:56,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:38:56,741 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:38:56,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1446768439] [2022-12-13 20:38:56,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1446768439] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 20:38:56,741 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 20:38:56,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-12-13 20:38:56,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803697849] [2022-12-13 20:38:56,742 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 20:38:56,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 20:38:56,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:38:56,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 20:38:56,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:38:56,744 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:38:56,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:38:56,913 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-12-13 20:38:56,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 20:38:56,914 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-13 20:38:56,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:38:56,914 INFO L225 Difference]: With dead ends: 19 [2022-12-13 20:38:56,914 INFO L226 Difference]: Without dead ends: 17 [2022-12-13 20:38:56,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-12-13 20:38:56,915 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:38:56,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 18 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:38:56,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-13 20:38:56,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-12-13 20:38:56,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:38:56,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-12-13 20:38:56,919 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2022-12-13 20:38:56,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:38:56,920 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-12-13 20:38:56,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:38:56,920 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-12-13 20:38:56,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 20:38:56,921 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:38:56,921 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-12-13 20:38:56,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 20:38:57,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:38:57,123 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:38:57,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:38:57,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 2 times [2022-12-13 20:38:57,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:38:57,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1165192603] [2022-12-13 20:38:57,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 20:38:57,127 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:38:57,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:38:57,130 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 20:38:57,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 20:38:57,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 20:38:57,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 20:38:57,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 51 conjunts are in the unsatisfiable core [2022-12-13 20:38:57,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:38:57,648 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:38:57,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 20:38:58,692 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:38:58,693 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:38:58,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1165192603] [2022-12-13 20:38:58,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1165192603] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 20:38:58,693 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 20:38:58,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-12-13 20:38:58,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037318354] [2022-12-13 20:38:58,694 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 20:38:58,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 20:38:58,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:38:58,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 20:38:58,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-13 20:38:58,696 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:38:58,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:38:58,896 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2022-12-13 20:38:58,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 20:38:58,896 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-13 20:38:58,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:38:58,897 INFO L225 Difference]: With dead ends: 22 [2022-12-13 20:38:58,897 INFO L226 Difference]: Without dead ends: 20 [2022-12-13 20:38:58,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2022-12-13 20:38:58,898 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 19 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:38:58,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 24 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:38:58,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-12-13 20:38:58,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2022-12-13 20:38:58,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:38:58,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-12-13 20:38:58,904 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 14 [2022-12-13 20:38:58,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:38:58,904 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-12-13 20:38:58,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:38:58,905 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-12-13 20:38:58,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 20:38:58,905 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:38:58,905 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1] [2022-12-13 20:38:58,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 20:38:59,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:38:59,108 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:38:59,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:38:59,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1250702327, now seen corresponding path program 3 times [2022-12-13 20:38:59,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:38:59,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [632888340] [2022-12-13 20:38:59,111 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 20:38:59,112 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:38:59,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:38:59,115 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 20:38:59,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/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 (5)] Waiting until timeout for monitored process [2022-12-13 20:38:59,279 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-13 20:38:59,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 20:38:59,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 64 conjunts are in the unsatisfiable core [2022-12-13 20:38:59,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:38:59,927 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 20:38:59,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 20:40:20,467 WARN L233 SmtUtils]: Spent 1.29m on a formula simplification. DAG size of input: 278 DAG size of output: 248 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 20:40:21,435 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 20:40:21,435 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:40:21,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [632888340] [2022-12-13 20:40:21,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [632888340] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 20:40:21,436 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 20:40:21,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-12-13 20:40:21,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635267950] [2022-12-13 20:40:21,436 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 20:40:21,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 20:40:21,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:40:21,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 20:40:21,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=142, Unknown=1, NotChecked=0, Total=182 [2022-12-13 20:40:21,438 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:40:21,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:40:21,578 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2022-12-13 20:40:21,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:40:21,579 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-12-13 20:40:21,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:40:21,580 INFO L225 Difference]: With dead ends: 18 [2022-12-13 20:40:21,580 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 20:40:21,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 80.5s TimeCoverageRelationStatistics Valid=65, Invalid=174, Unknown=1, NotChecked=0, Total=240 [2022-12-13 20:40:21,581 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 8 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:40:21,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:40:21,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 20:40:21,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 20:40:21,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:40:21,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 20:40:21,583 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2022-12-13 20:40:21,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:40:21,583 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:40:21,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:40:21,583 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 20:40:21,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 20:40:21,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 20:40:21,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/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 (5)] Forceful destruction successful, exit code 0 [2022-12-13 20:40:21,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:40:21,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 20:40:21,958 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 20:40:21,959 INFO L895 garLoopResultBuilder]: At program point L66-2(lines 66 121) the Hoare annotation is: (let ((.cse0 (= (_ bv4 8) |ULTIMATE.start_main_~var_51~0#1|)) (.cse1 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse3 (= |ULTIMATE.start_main_~var_14~0#1| (_ bv0 8))) (.cse4 (= |ULTIMATE.start_main_~var_7~0#1| (_ bv0 8))) (.cse5 (= (_ bv3 8) |ULTIMATE.start_main_~mask_SORT_12~0#1|)) (.cse6 (= (_ bv1 8) |ULTIMATE.start_main_~var_19~0#1|)) (.cse7 (= (_ bv1 8) |ULTIMATE.start_main_~var_49~0#1|)) (.cse8 (= (_ bv7 8) |ULTIMATE.start_main_~mask_SORT_6~0#1|))) (or (and .cse0 .cse1 (let ((.cse2 ((_ zero_extend 24) |ULTIMATE.start_main_~state_8~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_12~0#1|) ((_ zero_extend 24) ((_ extract 7 0) .cse2))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_14~0#1|)) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse2 (_ bv2 32))))))) (_ bv0 32))))))) (_ bv1 32)))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|)))))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (exists ((|ULTIMATE.start_main_~var_53_arg_2~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_53_arg_2~0#1|))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_6~0#1|))) |ULTIMATE.start_main_~state_8~0#1|))) (and .cse0 .cse1 .cse3 .cse4 .cse5 (= |ULTIMATE.start_main_~state_8~0#1| |ULTIMATE.start_main_~var_7~0#1|) .cse6 .cse7 .cse8))) [2022-12-13 20:40:21,959 INFO L899 garLoopResultBuilder]: For program point L66-3(lines 66 121) no Hoare annotation was computed. [2022-12-13 20:40:21,959 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 20:40:21,959 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 22 123) the Hoare annotation is: false [2022-12-13 20:40:21,959 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 20:40:21,959 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 20:40:21,959 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-12-13 20:40:21,959 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-12-13 20:40:21,959 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-12-13 20:40:21,959 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-12-13 20:40:21,961 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2022-12-13 20:40:21,963 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:40:21,970 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_53_arg_2~0#1,QUANTIFIED] [2022-12-13 20:40:21,975 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_53_arg_2~0#1,QUANTIFIED] [2022-12-13 20:40:21,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:40:21 BoogieIcfgContainer [2022-12-13 20:40:21,976 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:40:21,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:40:21,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:40:21,977 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:40:21,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:38:55" (3/4) ... [2022-12-13 20:40:21,980 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:40:21,989 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 20:40:21,990 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 20:40:21,990 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:40:22,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((4bv8 == var_51 && 1bv8 == mask_SORT_1) && (~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(mask_SORT_12), ~zero_extendFrom16To32(~zero_extendFrom16To32(state_8)[7:0]))[7:0]) == ~zero_extendFrom16To32(var_14) || 0bv8 == ~bvand32(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(~bvnot32(~zero_extendFrom16To32(~bvor32(~zero_extendFrom16To32(~bvnot32(~zero_extendFrom16To32(~bvashr32(~zero_extendFrom16To32(state_8), 2bv32)[7:0]))[7:0]), 0bv32)[7:0]))[7:0]), 1bv32)[7:0]), ~zero_extendFrom16To32(mask_SORT_1))[7:0])) && cond == 1bv32) && var_14 == 0bv8) && var_7 == 0bv8) && 3bv8 == mask_SORT_12) && 1bv8 == var_19) && 1bv8 == var_49) && 7bv8 == mask_SORT_6) && (\exists ULTIMATE.start_main_~var_53_arg_2~0#1 : bv8 :: ~bvand32(~zero_extendFrom16To32(~zero_extendFrom16To32(ULTIMATE.start_main_~var_53_arg_2~0#1)[7:0]), ~zero_extendFrom16To32(mask_SORT_6))[7:0] == state_8)) || ((((((((4bv8 == var_51 && 1bv8 == mask_SORT_1) && var_14 == 0bv8) && var_7 == 0bv8) && 3bv8 == mask_SORT_12) && state_8 == var_7) && 1bv8 == var_19) && 1bv8 == var_49) && 7bv8 == mask_SORT_6) [2022-12-13 20:40:22,020 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:40:22,020 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:40:22,021 INFO L158 Benchmark]: Toolchain (without parser) took 87009.79ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 54.4MB in the beginning and 43.9MB in the end (delta: 10.5MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2022-12-13 20:40:22,021 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:40:22,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.66ms. Allocated memory is still 75.5MB. Free memory was 54.2MB in the beginning and 42.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 20:40:22,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.12ms. Allocated memory is still 75.5MB. Free memory was 42.4MB in the beginning and 40.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:40:22,022 INFO L158 Benchmark]: Boogie Preprocessor took 20.70ms. Allocated memory is still 75.5MB. Free memory was 40.7MB in the beginning and 39.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:40:22,022 INFO L158 Benchmark]: RCFGBuilder took 249.23ms. Allocated memory is still 75.5MB. Free memory was 39.1MB in the beginning and 46.4MB in the end (delta: -7.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:40:22,022 INFO L158 Benchmark]: TraceAbstraction took 86477.79ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 45.8MB in the beginning and 47.0MB in the end (delta: -1.2MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-12-13 20:40:22,022 INFO L158 Benchmark]: Witness Printer took 43.64ms. Allocated memory is still 111.1MB. Free memory was 47.0MB in the beginning and 43.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:40:22,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.66ms. Allocated memory is still 75.5MB. Free memory was 54.2MB in the beginning and 42.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.12ms. Allocated memory is still 75.5MB. Free memory was 42.4MB in the beginning and 40.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.70ms. Allocated memory is still 75.5MB. Free memory was 40.7MB in the beginning and 39.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 249.23ms. Allocated memory is still 75.5MB. Free memory was 39.1MB in the beginning and 46.4MB in the end (delta: -7.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 86477.79ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 45.8MB in the beginning and 47.0MB in the end (delta: -1.2MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Witness Printer took 43.64ms. Allocated memory is still 111.1MB. Free memory was 47.0MB in the beginning and 43.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_53_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_53_arg_2~0#1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 86.4s, OverallIterations: 4, TraceHistogramMax: 5, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 51 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 15 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 81.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=3, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 7 NumberOfFragments, 108 HoareAnnotationTreeSize, 2 FomulaSimplifications, 34 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 420 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 84.1s InterpolantComputationTime, 44 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 76 ConstructedInterpolants, 32 QuantifiedInterpolants, 9636 SizeOfPredicates, 166 NumberOfNonLiveVariables, 516 ConjunctsInSsa, 164 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 21/86 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant [2022-12-13 20:40:22,030 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_53_arg_2~0#1,QUANTIFIED] [2022-12-13 20:40:22,031 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_53_arg_2~0#1,QUANTIFIED] Derived loop invariant: ((((((((((4bv8 == var_51 && 1bv8 == mask_SORT_1) && (~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(mask_SORT_12), ~zero_extendFrom16To32(~zero_extendFrom16To32(state_8)[7:0]))[7:0]) == ~zero_extendFrom16To32(var_14) || 0bv8 == ~bvand32(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(~bvnot32(~zero_extendFrom16To32(~bvor32(~zero_extendFrom16To32(~bvnot32(~zero_extendFrom16To32(~bvashr32(~zero_extendFrom16To32(state_8), 2bv32)[7:0]))[7:0]), 0bv32)[7:0]))[7:0]), 1bv32)[7:0]), ~zero_extendFrom16To32(mask_SORT_1))[7:0])) && cond == 1bv32) && var_14 == 0bv8) && var_7 == 0bv8) && 3bv8 == mask_SORT_12) && 1bv8 == var_19) && 1bv8 == var_49) && 7bv8 == mask_SORT_6) && (\exists ULTIMATE.start_main_~var_53_arg_2~0#1 : bv8 :: ~bvand32(~zero_extendFrom16To32(~zero_extendFrom16To32(ULTIMATE.start_main_~var_53_arg_2~0#1)[7:0]), ~zero_extendFrom16To32(mask_SORT_6))[7:0] == state_8)) || ((((((((4bv8 == var_51 && 1bv8 == mask_SORT_1) && var_14 == 0bv8) && var_7 == 0bv8) && 3bv8 == mask_SORT_12) && state_8 == var_7) && 1bv8 == var_19) && 1bv8 == var_49) && 7bv8 == mask_SORT_6) RESULT: Ultimate proved your program to be correct! [2022-12-13 20:40:22,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f897286-ea9d-49b2-b94d-11cee24cd2ca/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE