./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal61.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal61.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc --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 ff70111e74a6dfb18a1d88d643f76d65f65361b02e87d8a772caea68c0da6016 --- 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-5e519f3 [2022-11-02 20:45:38,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:45:38,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:45:38,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:45:38,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:45:38,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:45:38,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:45:38,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:45:38,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:45:38,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:45:38,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:45:38,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:45:38,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:45:38,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:45:38,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:45:38,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:45:38,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:45:38,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:45:38,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:45:38,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:45:38,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:45:38,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:45:38,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:45:38,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:45:38,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:45:38,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:45:38,374 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:45:38,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:45:38,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:45:38,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:45:38,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:45:38,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:45:38,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:45:38,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:45:38,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:45:38,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:45:38,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:45:38,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:45:38,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:45:38,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:45:38,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:45:38,385 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:45:38,423 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:45:38,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:45:38,424 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:45:38,425 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:45:38,425 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:45:38,426 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:45:38,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:45:38,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:45:38,427 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:45:38,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:45:38,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:45:38,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:45:38,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:45:38,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:45:38,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:45:38,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:45:38,429 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:45:38,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:45:38,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:45:38,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:45:38,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:45:38,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:45:38,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:45:38,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:45:38,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:45:38,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:45:38,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:45:38,432 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:45:38,432 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:45:38,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:45:38,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff70111e74a6dfb18a1d88d643f76d65f65361b02e87d8a772caea68c0da6016 [2022-11-02 20:45:38,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:45:38,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:45:38,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:45:38,759 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:45:38,760 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:45:38,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal61.c [2022-11-02 20:45:38,833 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/data/1aaf83f0c/06bbad2128a34bc8b62262bcef46f058/FLAG05f39e5e2 [2022-11-02 20:45:39,764 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:45:39,765 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal61.c [2022-11-02 20:45:39,831 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/data/1aaf83f0c/06bbad2128a34bc8b62262bcef46f058/FLAG05f39e5e2 [2022-11-02 20:45:40,173 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/data/1aaf83f0c/06bbad2128a34bc8b62262bcef46f058 [2022-11-02 20:45:40,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:45:40,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:45:40,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:45:40,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:45:40,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:45:40,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:45:40" (1/1) ... [2022-11-02 20:45:40,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c449f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:40, skipping insertion in model container [2022-11-02 20:45:40,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:45:40" (1/1) ... [2022-11-02 20:45:40,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:45:40,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:45:40,761 WARN L230 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_3d6d69ed-c8ca-48b9-a24f-60639e33c860/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal61.c[1107,1120] [2022-11-02 20:45:42,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:45:42,044 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:45:42,063 WARN L230 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_3d6d69ed-c8ca-48b9-a24f-60639e33c860/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal61.c[1107,1120] [2022-11-02 20:45:43,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:45:43,053 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:45:43,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:43 WrapperNode [2022-11-02 20:45:43,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:45:43,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:45:43,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:45:43,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:45:43,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:43" (1/1) ... [2022-11-02 20:45:43,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:43" (1/1) ... [2022-11-02 20:45:44,944 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13516 [2022-11-02 20:45:44,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:45:44,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:45:44,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:45:44,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:45:44,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:43" (1/1) ... [2022-11-02 20:45:44,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:43" (1/1) ... [2022-11-02 20:45:45,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:43" (1/1) ... [2022-11-02 20:45:45,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:43" (1/1) ... [2022-11-02 20:45:46,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:43" (1/1) ... [2022-11-02 20:45:46,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:43" (1/1) ... [2022-11-02 20:45:46,279 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:43" (1/1) ... [2022-11-02 20:45:46,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:43" (1/1) ... [2022-11-02 20:45:46,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:45:46,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:45:46,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:45:46,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:45:46,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:43" (1/1) ... [2022-11-02 20:45:46,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:45:46,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:46,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:46,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:45:46,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:45:46,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:45:48,071 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:45:48,073 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:48:04,037 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:48:04,056 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:48:04,057 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:48:04,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:48:04 BoogieIcfgContainer [2022-11-02 20:48:04,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:48:04,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:48:04,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:48:04,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:48:04,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:45:40" (1/3) ... [2022-11-02 20:48:04,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b1b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:48:04, skipping insertion in model container [2022-11-02 20:48:04,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:43" (2/3) ... [2022-11-02 20:48:04,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b1b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:48:04, skipping insertion in model container [2022-11-02 20:48:04,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:48:04" (3/3) ... [2022-11-02 20:48:04,073 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal61.c [2022-11-02 20:48:04,092 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:48:04,092 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:48:04,180 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:48:04,198 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;@b53165b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:48:04,205 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:48:04,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 1205 states, 1203 states have (on average 1.4995843724023274) internal successors, (1804), 1204 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:04,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:48:04,225 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:04,225 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:04,226 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:04,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:04,234 INFO L85 PathProgramCache]: Analyzing trace with hash -332259343, now seen corresponding path program 1 times [2022-11-02 20:48:04,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:04,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092633671] [2022-11-02 20:48:04,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:04,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:05,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:05,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:48:05,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092633671] [2022-11-02 20:48:05,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092633671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:05,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:48:05,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:48:05,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349733019] [2022-11-02 20:48:05,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:05,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:48:05,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:48:05,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:48:05,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:48:05,324 INFO L87 Difference]: Start difference. First operand has 1205 states, 1203 states have (on average 1.4995843724023274) internal successors, (1804), 1204 states have internal predecessors, (1804), 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 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:06,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:06,838 INFO L93 Difference]: Finished difference Result 3604 states and 5405 transitions. [2022-11-02 20:48:06,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:48:06,840 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) Word has length 9 [2022-11-02 20:48:06,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:48:06,862 INFO L225 Difference]: With dead ends: 3604 [2022-11-02 20:48:06,863 INFO L226 Difference]: Without dead ends: 2401 [2022-11-02 20:48:06,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:48:06,874 INFO L413 NwaCegarLoop]: 1765 mSDtfsCounter, 3588 mSDsluCounter, 3557 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3588 SdHoareTripleChecker+Valid, 5322 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:48:06,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3588 Valid, 5322 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-02 20:48:06,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2401 states. [2022-11-02 20:48:06,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2401 to 1203. [2022-11-02 20:48:06,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 1202 states have (on average 1.497504159733777) internal successors, (1800), 1202 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:06,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1800 transitions. [2022-11-02 20:48:06,970 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 1800 transitions. Word has length 9 [2022-11-02 20:48:06,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:48:06,970 INFO L495 AbstractCegarLoop]: Abstraction has 1203 states and 1800 transitions. [2022-11-02 20:48:06,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:06,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1800 transitions. [2022-11-02 20:48:06,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:48:06,971 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:06,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:06,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:48:06,972 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:06,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:06,973 INFO L85 PathProgramCache]: Analyzing trace with hash -275001041, now seen corresponding path program 1 times [2022-11-02 20:48:06,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:06,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007662897] [2022-11-02 20:48:06,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:06,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:07,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:48:07,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007662897] [2022-11-02 20:48:07,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007662897] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:07,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:48:07,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:48:07,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845220534] [2022-11-02 20:48:07,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:07,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:48:07,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:48:07,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:48:07,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:48:07,489 INFO L87 Difference]: Start difference. First operand 1203 states and 1800 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:09,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:09,037 INFO L93 Difference]: Finished difference Result 3602 states and 5393 transitions. [2022-11-02 20:48:09,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:48:09,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) Word has length 9 [2022-11-02 20:48:09,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:48:09,046 INFO L225 Difference]: With dead ends: 3602 [2022-11-02 20:48:09,046 INFO L226 Difference]: Without dead ends: 2403 [2022-11-02 20:48:09,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:48:09,050 INFO L413 NwaCegarLoop]: 1767 mSDtfsCounter, 3585 mSDsluCounter, 3556 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3585 SdHoareTripleChecker+Valid, 5323 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:48:09,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3585 Valid, 5323 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-02 20:48:09,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2403 states. [2022-11-02 20:48:09,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2403 to 1205. [2022-11-02 20:48:09,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 1204 states have (on average 1.4966777408637875) internal successors, (1802), 1204 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:09,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1802 transitions. [2022-11-02 20:48:09,088 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1802 transitions. Word has length 9 [2022-11-02 20:48:09,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:48:09,089 INFO L495 AbstractCegarLoop]: Abstraction has 1205 states and 1802 transitions. [2022-11-02 20:48:09,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:09,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1802 transitions. [2022-11-02 20:48:09,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:48:09,090 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:09,090 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:09,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:48:09,090 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:09,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:09,091 INFO L85 PathProgramCache]: Analyzing trace with hash -274941459, now seen corresponding path program 1 times [2022-11-02 20:48:09,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:09,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726703694] [2022-11-02 20:48:09,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:09,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:09,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:48:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:48:09,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:48:09,968 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 20:48:09,970 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:48:09,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:48:09,983 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-02 20:48:09,989 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:48:10,084 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-02 20:48:10,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:48:10 BoogieIcfgContainer [2022-11-02 20:48:10,138 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:48:10,140 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:48:10,140 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:48:10,140 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:48:10,141 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:48:04" (3/4) ... [2022-11-02 20:48:10,144 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:48:10,144 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:48:10,146 INFO L158 Benchmark]: Toolchain (without parser) took 149967.97ms. Allocated memory was 123.7MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 88.7MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 921.6MB. Max. memory is 16.1GB. [2022-11-02 20:48:10,146 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:48:10,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2877.91ms. Allocated memory was 123.7MB in the beginning and 335.5MB in the end (delta: 211.8MB). Free memory was 88.3MB in the beginning and 181.7MB in the end (delta: -93.4MB). Peak memory consumption was 162.9MB. Max. memory is 16.1GB. [2022-11-02 20:48:10,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 1894.16ms. Allocated memory was 335.5MB in the beginning and 771.8MB in the end (delta: 436.2MB). Free memory was 180.7MB in the beginning and 493.1MB in the end (delta: -312.5MB). Peak memory consumption was 184.5MB. Max. memory is 16.1GB. [2022-11-02 20:48:10,154 INFO L158 Benchmark]: Boogie Preprocessor took 1552.91ms. Allocated memory is still 771.8MB. Free memory was 493.1MB in the beginning and 427.1MB in the end (delta: 66.1MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. [2022-11-02 20:48:10,155 INFO L158 Benchmark]: RCFGBuilder took 137554.33ms. Allocated memory was 771.8MB in the beginning and 3.3GB in the end (delta: 2.6GB). Free memory was 427.1MB in the beginning and 2.9GB in the end (delta: -2.5GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2022-11-02 20:48:10,157 INFO L158 Benchmark]: TraceAbstraction took 6071.65ms. Allocated memory is still 3.3GB. Free memory was 2.9GB in the beginning and 2.4GB in the end (delta: 556.8MB). Peak memory consumption was 555.7MB. Max. memory is 16.1GB. [2022-11-02 20:48:10,158 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 3.3GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:48:10,160 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2877.91ms. Allocated memory was 123.7MB in the beginning and 335.5MB in the end (delta: 211.8MB). Free memory was 88.3MB in the beginning and 181.7MB in the end (delta: -93.4MB). Peak memory consumption was 162.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1894.16ms. Allocated memory was 335.5MB in the beginning and 771.8MB in the end (delta: 436.2MB). Free memory was 180.7MB in the beginning and 493.1MB in the end (delta: -312.5MB). Peak memory consumption was 184.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1552.91ms. Allocated memory is still 771.8MB. Free memory was 493.1MB in the beginning and 427.1MB in the end (delta: 66.1MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. * RCFGBuilder took 137554.33ms. Allocated memory was 771.8MB in the beginning and 3.3GB in the end (delta: 2.6GB). Free memory was 427.1MB in the beginning and 2.9GB in the end (delta: -2.5GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * TraceAbstraction took 6071.65ms. Allocated memory is still 3.3GB. Free memory was 2.9GB in the beginning and 2.4GB in the end (delta: 556.8MB). Peak memory consumption was 555.7MB. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 3.3GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 541, overapproximation of bitwiseOr at line 539, overapproximation of bitwiseAnd at line 533. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 2); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (2 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 4); [L32] const SORT_6 msb_SORT_6 = (SORT_6)1 << (4 - 1); [L34] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 8); [L35] const SORT_9 msb_SORT_9 = (SORT_9)1 << (8 - 1); [L37] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 32); [L38] const SORT_11 msb_SORT_11 = (SORT_11)1 << (32 - 1); [L40] const SORT_29 mask_SORT_29 = (SORT_29)-1 >> (sizeof(SORT_29) * 8 - 3); [L41] const SORT_29 msb_SORT_29 = (SORT_29)1 << (3 - 1); [L43] const SORT_36 mask_SORT_36 = (SORT_36)-1 >> (sizeof(SORT_36) * 8 - 5); [L44] const SORT_36 msb_SORT_36 = (SORT_36)1 << (5 - 1); [L46] const SORT_50 mask_SORT_50 = (SORT_50)-1 >> (sizeof(SORT_50) * 8 - 6); [L47] const SORT_50 msb_SORT_50 = (SORT_50)1 << (6 - 1); [L49] const SORT_59 mask_SORT_59 = (SORT_59)-1 >> (sizeof(SORT_59) * 8 - 7); [L50] const SORT_59 msb_SORT_59 = (SORT_59)1 << (7 - 1); [L52] const SORT_264 mask_SORT_264 = (SORT_264)-1 >> (sizeof(SORT_264) * 8 - 9); [L53] const SORT_264 msb_SORT_264 = (SORT_264)1 << (9 - 1); [L55] const SORT_266 mask_SORT_266 = (SORT_266)-1 >> (sizeof(SORT_266) * 8 - 10); [L56] const SORT_266 msb_SORT_266 = (SORT_266)1 << (10 - 1); [L58] const SORT_268 mask_SORT_268 = (SORT_268)-1 >> (sizeof(SORT_268) * 8 - 11); [L59] const SORT_268 msb_SORT_268 = (SORT_268)1 << (11 - 1); [L61] const SORT_270 mask_SORT_270 = (SORT_270)-1 >> (sizeof(SORT_270) * 8 - 12); [L62] const SORT_270 msb_SORT_270 = (SORT_270)1 << (12 - 1); [L64] const SORT_605 mask_SORT_605 = (SORT_605)-1 >> (sizeof(SORT_605) * 8 - 14); [L65] const SORT_605 msb_SORT_605 = (SORT_605)1 << (14 - 1); [L67] const SORT_607 mask_SORT_607 = (SORT_607)-1 >> (sizeof(SORT_607) * 8 - 16); [L68] const SORT_607 msb_SORT_607 = (SORT_607)1 << (16 - 1); [L70] const SORT_609 mask_SORT_609 = (SORT_609)-1 >> (sizeof(SORT_609) * 8 - 22); [L71] const SORT_609 msb_SORT_609 = (SORT_609)1 << (22 - 1); [L73] const SORT_611 mask_SORT_611 = (SORT_611)-1 >> (sizeof(SORT_611) * 8 - 24); [L74] const SORT_611 msb_SORT_611 = (SORT_611)1 << (24 - 1); [L76] const SORT_613 mask_SORT_613 = (SORT_613)-1 >> (sizeof(SORT_613) * 8 - 30); [L77] const SORT_613 msb_SORT_613 = (SORT_613)1 << (30 - 1); [L79] const SORT_652 mask_SORT_652 = (SORT_652)-1 >> (sizeof(SORT_652) * 8 - 33); [L80] const SORT_652 msb_SORT_652 = (SORT_652)1 << (33 - 1); [L82] const SORT_809 mask_SORT_809 = (SORT_809)-1 >> (sizeof(SORT_809) * 8 - 13); [L83] const SORT_809 msb_SORT_809 = (SORT_809)1 << (13 - 1); [L85] const SORT_812 mask_SORT_812 = (SORT_812)-1 >> (sizeof(SORT_812) * 8 - 15); [L86] const SORT_812 msb_SORT_812 = (SORT_812)1 << (15 - 1); [L88] const SORT_815 mask_SORT_815 = (SORT_815)-1 >> (sizeof(SORT_815) * 8 - 17); [L89] const SORT_815 msb_SORT_815 = (SORT_815)1 << (17 - 1); [L91] const SORT_817 mask_SORT_817 = (SORT_817)-1 >> (sizeof(SORT_817) * 8 - 18); [L92] const SORT_817 msb_SORT_817 = (SORT_817)1 << (18 - 1); [L94] const SORT_908 mask_SORT_908 = (SORT_908)-1 >> (sizeof(SORT_908) * 8 - 19); [L95] const SORT_908 msb_SORT_908 = (SORT_908)1 << (19 - 1); [L97] const SORT_910 mask_SORT_910 = (SORT_910)-1 >> (sizeof(SORT_910) * 8 - 20); [L98] const SORT_910 msb_SORT_910 = (SORT_910)1 << (20 - 1); [L100] const SORT_912 mask_SORT_912 = (SORT_912)-1 >> (sizeof(SORT_912) * 8 - 21); [L101] const SORT_912 msb_SORT_912 = (SORT_912)1 << (21 - 1); [L103] const SORT_1129 mask_SORT_1129 = (SORT_1129)-1 >> (sizeof(SORT_1129) * 8 - 23); [L104] const SORT_1129 msb_SORT_1129 = (SORT_1129)1 << (23 - 1); [L106] const SORT_1277 mask_SORT_1277 = (SORT_1277)-1 >> (sizeof(SORT_1277) * 8 - 26); [L107] const SORT_1277 msb_SORT_1277 = (SORT_1277)1 << (26 - 1); [L109] const SORT_1319 mask_SORT_1319 = (SORT_1319)-1 >> (sizeof(SORT_1319) * 8 - 25); [L110] const SORT_1319 msb_SORT_1319 = (SORT_1319)1 << (25 - 1); [L112] const SORT_1324 mask_SORT_1324 = (SORT_1324)-1 >> (sizeof(SORT_1324) * 8 - 27); [L113] const SORT_1324 msb_SORT_1324 = (SORT_1324)1 << (27 - 1); [L115] const SORT_1327 mask_SORT_1327 = (SORT_1327)-1 >> (sizeof(SORT_1327) * 8 - 28); [L116] const SORT_1327 msb_SORT_1327 = (SORT_1327)1 << (28 - 1); [L118] const SORT_1330 mask_SORT_1330 = (SORT_1330)-1 >> (sizeof(SORT_1330) * 8 - 29); [L119] const SORT_1330 msb_SORT_1330 = (SORT_1330)1 << (29 - 1); [L121] const SORT_1335 mask_SORT_1335 = (SORT_1335)-1 >> (sizeof(SORT_1335) * 8 - 31); [L122] const SORT_1335 msb_SORT_1335 = (SORT_1335)1 << (31 - 1); [L124] const SORT_3042 mask_SORT_3042 = (SORT_3042)-1 >> (sizeof(SORT_3042) * 8 - 34); [L125] const SORT_3042 msb_SORT_3042 = (SORT_3042)1 << (34 - 1); [L127] const SORT_3 var_103 = 0; [L128] const SORT_36 var_107 = 0; [L129] const SORT_3 var_122 = 1; [L130] const SORT_1 var_129 = 0; [L131] const SORT_1 var_137 = 3; [L132] const SORT_1 var_139 = 2; [L133] const SORT_1 var_141 = 1; [L134] const SORT_29 var_145 = 1; [L135] const SORT_29 var_148 = 3; [L136] const SORT_29 var_151 = 2; [L137] const SORT_29 var_155 = 5; [L138] const SORT_29 var_158 = 7; [L139] const SORT_29 var_161 = 6; [L140] const SORT_29 var_165 = 4; [L141] const SORT_9 var_191 = 0; [L142] const SORT_36 var_212 = 11; [L143] const SORT_36 var_214 = 10; [L144] const SORT_36 var_216 = 2; [L145] const SORT_36 var_218 = 9; [L146] const SORT_36 var_233 = 21; [L147] const SORT_36 var_235 = 20; [L148] const SORT_36 var_237 = 19; [L149] const SORT_36 var_239 = 18; [L150] const SORT_36 var_241 = 17; [L151] const SORT_36 var_243 = 16; [L152] const SORT_36 var_245 = 15; [L153] const SORT_36 var_247 = 14; [L154] const SORT_36 var_249 = 8; [L155] const SORT_36 var_251 = 6; [L156] const SORT_36 var_253 = 3; [L157] const SORT_36 var_255 = 5; [L158] const SORT_36 var_273 = 4; [L159] const SORT_36 var_275 = 1; [L160] const SORT_36 var_285 = 7; [L161] const SORT_36 var_303 = 13; [L162] const SORT_36 var_311 = 12; [L163] const SORT_36 var_332 = 23; [L164] const SORT_36 var_335 = 22; [L165] const SORT_36 var_344 = 25; [L166] const SORT_36 var_347 = 27; [L167] const SORT_36 var_350 = 26; [L168] const SORT_36 var_354 = 29; [L169] const SORT_36 var_357 = 31; [L170] const SORT_36 var_360 = 30; [L171] const SORT_36 var_364 = 28; [L172] const SORT_36 var_370 = 24; [L173] const SORT_50 var_393 = 0; [L174] const SORT_9 var_469 = 3; [L175] const SORT_29 var_511 = 0; [L176] const SORT_11 var_534 = 0; [L177] const SORT_652 var_653 = 0; [L178] const SORT_9 var_822 = 2; [L179] const SORT_9 var_825 = 1; [L180] const SORT_6 var_1269 = 8; [L181] const SORT_1277 var_1278 = 0; [L182] const SORT_9 var_1364 = 255; [L183] const SORT_50 var_1368 = 1; [L184] const SORT_6 var_1484 = 0; [L185] const SORT_6 var_2422 = 1; [L186] const SORT_6 var_2425 = 3; [L187] const SORT_6 var_2428 = 2; [L188] const SORT_6 var_2432 = 5; [L189] const SORT_6 var_2435 = 7; [L190] const SORT_6 var_2438 = 6; [L191] const SORT_6 var_2442 = 4; [L192] const SORT_6 var_2448 = 9; [L193] const SORT_6 var_2451 = 11; [L194] const SORT_6 var_2454 = 10; [L195] const SORT_6 var_2458 = 13; [L196] const SORT_6 var_2461 = 15; [L197] const SORT_6 var_2464 = 14; [L198] const SORT_6 var_2468 = 12; [L199] const SORT_1327 var_2654 = 0; [L200] const SORT_3042 var_3044 = 0; [L201] const SORT_59 var_3067 = 0; [L202] const SORT_270 var_3136 = 0; [L204] SORT_1 input_2; [L205] SORT_3 input_4; [L206] SORT_3 input_5; [L207] SORT_6 input_7; [L208] SORT_3 input_8; [L209] SORT_9 input_10; [L210] SORT_11 input_12; [L211] SORT_1 input_13; [L212] SORT_9 input_14; [L213] SORT_9 input_15; [L214] SORT_9 input_16; [L215] SORT_1 input_17; [L216] SORT_9 input_18; [L217] SORT_9 input_19; [L218] SORT_9 input_20; [L219] SORT_3 input_21; [L220] SORT_3 input_22; [L221] SORT_3 input_23; [L222] SORT_3 input_24; [L223] SORT_3 input_25; [L224] SORT_3 input_26; [L225] SORT_3 input_27; [L226] SORT_1 input_28; [L227] SORT_29 input_30; [L228] SORT_1 input_31; [L229] SORT_3 input_32; [L230] SORT_3 input_33; [L231] SORT_3 input_34; [L232] SORT_3 input_35; [L233] SORT_36 input_37; [L234] SORT_1 input_38; [L235] SORT_9 input_39; [L236] SORT_11 input_40; [L237] SORT_29 input_41; [L238] SORT_9 input_42; [L239] SORT_3 input_43; [L240] SORT_1 input_44; [L241] SORT_36 input_45; [L242] SORT_3 input_46; [L243] SORT_1 input_47; [L244] SORT_3 input_48; [L245] SORT_1 input_49; [L246] SORT_50 input_51; [L247] SORT_1 input_52; [L248] SORT_50 input_53; [L249] SORT_1 input_54; [L250] SORT_50 input_55; [L251] SORT_1 input_56; [L252] SORT_50 input_57; [L253] SORT_3 input_58; [L254] SORT_59 input_60; [L255] SORT_3 input_61; [L256] SORT_6 input_62; [L257] SORT_1 input_63; [L258] SORT_3 input_64; [L259] SORT_36 input_65; [L260] SORT_1 input_66; [L261] SORT_3 input_67; [L262] SORT_9 input_68; [L263] SORT_3 input_69; [L264] SORT_3 input_70; [L265] SORT_3 input_71; [L266] SORT_3 input_72; [L267] SORT_3 input_73; [L268] SORT_59 input_74; [L269] SORT_3 input_75; [L270] SORT_9 input_76; [L271] SORT_11 input_77; [L272] SORT_50 input_78; [L273] SORT_1 input_79; [L274] SORT_50 input_80; [L275] SORT_1 input_81; [L276] SORT_50 input_82; [L277] SORT_1 input_83; [L278] SORT_50 input_84; [L279] SORT_1 input_85; [L280] SORT_29 input_86; [L281] SORT_9 input_87; [L282] SORT_1 input_88; [L283] SORT_9 input_89; [L284] SORT_3 input_90; [L285] SORT_6 input_91; [L286] SORT_6 input_92; [L287] SORT_36 input_93; [L288] SORT_36 input_94; [L289] SORT_36 input_95; [L290] SORT_3 input_96; [L291] SORT_3 input_97; [L292] SORT_1 input_98; [L293] SORT_1 input_99; [L294] SORT_1 input_100; [L295] SORT_1 input_101; [L296] SORT_1 input_102; [L298] SORT_3 state_104 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L299] SORT_36 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_36; [L300] SORT_3 state_110 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L301] SORT_36 state_114 = __VERIFIER_nondet_uchar() & mask_SORT_36; [L302] SORT_3 state_126 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L303] SORT_1 state_130 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L304] SORT_9 state_192 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L305] SORT_1 state_417 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L306] SORT_9 state_499 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L307] SORT_29 state_512 = __VERIFIER_nondet_uchar() & mask_SORT_29; [L308] SORT_11 state_535 = __VERIFIER_nondet_uint() & mask_SORT_11; [L309] SORT_50 state_580 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L310] SORT_1 state_583 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L311] SORT_50 state_586 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L312] SORT_1 state_589 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L313] SORT_50 state_592 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L314] SORT_1 state_595 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L315] SORT_50 state_598 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L316] SORT_1 state_601 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L317] SORT_9 state_631 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L318] SORT_3 state_649 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L319] SORT_36 state_3051 = __VERIFIER_nondet_uchar() & mask_SORT_36; [L320] SORT_1 state_3055 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L321] SORT_3 state_3064 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L322] SORT_59 state_3068 = __VERIFIER_nondet_uchar() & mask_SORT_59; [L323] SORT_3 state_3081 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L324] SORT_3 state_3084 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L325] SORT_1 state_3095 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L326] SORT_3 state_3099 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L327] SORT_1 state_3102 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L328] SORT_6 state_3114 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L329] SORT_3 state_3120 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L330] SORT_3 state_3189 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L331] SORT_1 state_3192 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L332] SORT_6 state_3195 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L334] SORT_3 init_105_arg_1 = var_103; [L335] state_104 = init_105_arg_1 [L336] SORT_36 init_109_arg_1 = var_107; [L337] state_108 = init_109_arg_1 [L338] SORT_3 init_111_arg_1 = var_103; [L339] state_110 = init_111_arg_1 [L340] SORT_36 init_115_arg_1 = var_107; [L341] state_114 = init_115_arg_1 [L342] SORT_3 init_127_arg_1 = var_103; [L343] state_126 = init_127_arg_1 [L344] SORT_1 init_131_arg_1 = var_129; [L345] state_130 = init_131_arg_1 [L346] SORT_9 init_193_arg_1 = var_191; [L347] state_192 = init_193_arg_1 [L348] SORT_1 init_418_arg_1 = var_129; [L349] state_417 = init_418_arg_1 [L350] SORT_9 init_500_arg_1 = var_191; [L351] state_499 = init_500_arg_1 [L352] SORT_29 init_513_arg_1 = var_511; [L353] state_512 = init_513_arg_1 [L354] SORT_11 init_536_arg_1 = var_534; [L355] state_535 = init_536_arg_1 [L356] SORT_50 init_581_arg_1 = var_393; [L357] state_580 = init_581_arg_1 [L358] SORT_1 init_584_arg_1 = var_129; [L359] state_583 = init_584_arg_1 [L360] SORT_50 init_587_arg_1 = var_393; [L361] state_586 = init_587_arg_1 [L362] SORT_1 init_590_arg_1 = var_129; [L363] state_589 = init_590_arg_1 [L364] SORT_50 init_593_arg_1 = var_393; [L365] state_592 = init_593_arg_1 [L366] SORT_1 init_596_arg_1 = var_129; [L367] state_595 = init_596_arg_1 [L368] SORT_50 init_599_arg_1 = var_393; [L369] state_598 = init_599_arg_1 [L370] SORT_1 init_602_arg_1 = var_129; [L371] state_601 = init_602_arg_1 [L372] SORT_9 init_632_arg_1 = var_191; [L373] state_631 = init_632_arg_1 [L374] SORT_3 init_650_arg_1 = var_103; [L375] state_649 = init_650_arg_1 [L376] SORT_36 init_3052_arg_1 = var_107; [L377] state_3051 = init_3052_arg_1 [L378] SORT_1 init_3056_arg_1 = var_129; [L379] state_3055 = init_3056_arg_1 [L380] SORT_3 init_3065_arg_1 = var_103; [L381] state_3064 = init_3065_arg_1 [L382] SORT_59 init_3069_arg_1 = var_3067; [L383] state_3068 = init_3069_arg_1 [L384] SORT_3 init_3082_arg_1 = var_103; [L385] state_3081 = init_3082_arg_1 [L386] SORT_3 init_3085_arg_1 = var_103; [L387] state_3084 = init_3085_arg_1 [L388] SORT_1 init_3096_arg_1 = var_129; [L389] state_3095 = init_3096_arg_1 [L390] SORT_3 init_3100_arg_1 = var_103; [L391] state_3099 = init_3100_arg_1 [L392] SORT_1 init_3103_arg_1 = var_129; [L393] state_3102 = init_3103_arg_1 [L394] SORT_6 init_3115_arg_1 = var_1484; [L395] state_3114 = init_3115_arg_1 [L396] SORT_3 init_3121_arg_1 = var_103; [L397] state_3120 = init_3121_arg_1 [L398] SORT_3 init_3190_arg_1 = var_103; [L399] state_3189 = init_3190_arg_1 [L400] SORT_1 init_3193_arg_1 = var_129; [L401] state_3192 = init_3193_arg_1 [L402] SORT_6 init_3196_arg_1 = var_1484; [L403] state_3195 = init_3196_arg_1 VAL [init_105_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_115_arg_1=0, init_127_arg_1=0, init_131_arg_1=0, init_193_arg_1=0, init_3052_arg_1=0, init_3056_arg_1=0, init_3065_arg_1=0, init_3069_arg_1=0, init_3082_arg_1=0, init_3085_arg_1=0, init_3096_arg_1=0, init_3100_arg_1=0, init_3103_arg_1=0, init_3115_arg_1=0, init_3121_arg_1=0, init_3190_arg_1=0, init_3193_arg_1=0, init_3196_arg_1=0, init_418_arg_1=0, init_500_arg_1=0, init_513_arg_1=0, init_536_arg_1=0, init_581_arg_1=0, init_584_arg_1=0, init_587_arg_1=0, init_590_arg_1=0, init_593_arg_1=0, init_596_arg_1=0, init_599_arg_1=0, init_602_arg_1=0, init_632_arg_1=0, init_650_arg_1=0, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1129=4294967295, mask_SORT_1277=4294967295, mask_SORT_1319=4294967295, mask_SORT_1324=4294967295, mask_SORT_1327=4294967295, mask_SORT_1330=4294967295, mask_SORT_1335=4294967295, mask_SORT_264=511, mask_SORT_266=1023, mask_SORT_268=2047, mask_SORT_270=4095, mask_SORT_29=7, mask_SORT_3=1, mask_SORT_3042=18446744073709551615, mask_SORT_36=31, mask_SORT_50=63, mask_SORT_59=127, mask_SORT_6=15, mask_SORT_605=16383, mask_SORT_607=65535, mask_SORT_609=4294967295, mask_SORT_611=4294967295, mask_SORT_613=4294967295, mask_SORT_652=1, mask_SORT_809=8191, mask_SORT_812=32767, mask_SORT_815=4294967295, mask_SORT_817=4294967295, mask_SORT_9=255, mask_SORT_908=4294967295, mask_SORT_910=4294967295, mask_SORT_912=4294967295, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1129=4194304, msb_SORT_1277=33554432, msb_SORT_1319=16777216, msb_SORT_1324=67108864, msb_SORT_1327=134217728, msb_SORT_1330=268435456, msb_SORT_1335=1073741824, msb_SORT_264=256, msb_SORT_266=512, msb_SORT_268=1024, msb_SORT_270=2048, msb_SORT_29=4, msb_SORT_3=1, msb_SORT_3042=8589934592, msb_SORT_36=16, msb_SORT_50=32, msb_SORT_59=64, msb_SORT_6=8, msb_SORT_605=8192, msb_SORT_607=32768, msb_SORT_609=2097152, msb_SORT_611=8388608, msb_SORT_613=536870912, msb_SORT_652=4294967296, msb_SORT_809=4096, msb_SORT_812=16384, msb_SORT_815=65536, msb_SORT_817=131072, msb_SORT_9=128, msb_SORT_908=262144, msb_SORT_910=524288, msb_SORT_912=1048576, state_104=0, state_108=0, state_110=0, state_114=0, state_126=0, state_130=0, state_192=0, state_3051=0, state_3055=0, state_3064=0, state_3068=0, state_3081=0, state_3084=0, state_3095=0, state_3099=0, state_3102=0, state_3114=0, state_3120=0, state_3189=0, state_3192=0, state_3195=0, state_417=0, state_499=0, state_512=0, state_535=0, state_580=0, state_583=0, state_586=0, state_589=0, state_592=0, state_595=0, state_598=0, state_601=0, state_631=0, state_649=0, var_103=0, var_107=0, var_122=1, var_1269=8, var_1278=0, var_129=0, var_1364=255, var_1368=1, var_137=3, var_139=2, var_141=1, var_145=1, var_148=3, var_1484=0, var_151=2, var_155=5, var_158=7, var_161=6, var_165=4, var_191=0, var_212=11, var_214=10, var_216=2, var_218=9, var_233=21, var_235=20, var_237=19, var_239=18, var_241=17, var_2422=1, var_2425=3, var_2428=2, var_243=16, var_2432=5, var_2435=7, var_2438=6, var_2442=4, var_2448=9, var_245=15, var_2451=11, var_2454=10, var_2458=13, var_2461=15, var_2464=14, var_2468=12, var_247=14, var_249=8, var_251=6, var_253=3, var_255=5, var_2654=0, var_273=4, var_275=1, var_285=7, var_303=13, var_3044=0, var_3067=0, var_311=12, var_3136=0, var_332=23, var_335=22, var_344=25, var_347=27, var_350=26, var_354=29, var_357=31, var_360=30, var_364=28, var_370=24, var_393=0, var_469=3, var_511=0, var_534=0, var_653=0, var_822=2, var_825=1] [L406] input_2 = __VERIFIER_nondet_uchar() [L407] input_2 = input_2 & mask_SORT_1 [L408] input_4 = __VERIFIER_nondet_uchar() [L409] input_5 = __VERIFIER_nondet_uchar() [L410] input_5 = input_5 & mask_SORT_3 [L411] input_7 = __VERIFIER_nondet_uchar() [L412] input_7 = input_7 & mask_SORT_6 [L413] input_8 = __VERIFIER_nondet_uchar() [L414] input_8 = input_8 & mask_SORT_3 [L415] input_10 = __VERIFIER_nondet_uchar() [L416] input_12 = __VERIFIER_nondet_uint() [L417] input_13 = __VERIFIER_nondet_uchar() [L418] input_13 = input_13 & mask_SORT_1 [L419] input_14 = __VERIFIER_nondet_uchar() [L420] input_15 = __VERIFIER_nondet_uchar() [L421] input_16 = __VERIFIER_nondet_uchar() [L422] input_17 = __VERIFIER_nondet_uchar() [L423] input_17 = input_17 & mask_SORT_1 [L424] input_18 = __VERIFIER_nondet_uchar() [L425] input_19 = __VERIFIER_nondet_uchar() [L426] input_20 = __VERIFIER_nondet_uchar() [L427] input_21 = __VERIFIER_nondet_uchar() [L428] input_21 = input_21 & mask_SORT_3 [L429] input_22 = __VERIFIER_nondet_uchar() [L430] input_22 = input_22 & mask_SORT_3 [L431] input_23 = __VERIFIER_nondet_uchar() [L432] input_24 = __VERIFIER_nondet_uchar() [L433] input_25 = __VERIFIER_nondet_uchar() [L434] input_26 = __VERIFIER_nondet_uchar() [L435] input_26 = input_26 & mask_SORT_3 [L436] input_27 = __VERIFIER_nondet_uchar() [L437] input_27 = input_27 & mask_SORT_3 [L438] input_28 = __VERIFIER_nondet_uchar() [L439] input_28 = input_28 & mask_SORT_1 [L440] input_30 = __VERIFIER_nondet_uchar() [L441] input_30 = input_30 & mask_SORT_29 [L442] input_31 = __VERIFIER_nondet_uchar() [L443] input_31 = input_31 & mask_SORT_1 [L444] input_32 = __VERIFIER_nondet_uchar() [L445] input_32 = input_32 & mask_SORT_3 [L446] input_33 = __VERIFIER_nondet_uchar() [L447] input_34 = __VERIFIER_nondet_uchar() [L448] input_35 = __VERIFIER_nondet_uchar() [L449] input_35 = input_35 & mask_SORT_3 [L450] input_37 = __VERIFIER_nondet_uchar() [L451] input_37 = input_37 & mask_SORT_36 [L452] input_38 = __VERIFIER_nondet_uchar() [L453] input_39 = __VERIFIER_nondet_uchar() [L454] input_40 = __VERIFIER_nondet_uint() [L455] input_41 = __VERIFIER_nondet_uchar() [L456] input_42 = __VERIFIER_nondet_uchar() [L457] input_43 = __VERIFIER_nondet_uchar() [L458] input_44 = __VERIFIER_nondet_uchar() [L459] input_45 = __VERIFIER_nondet_uchar() [L460] input_46 = __VERIFIER_nondet_uchar() [L461] input_47 = __VERIFIER_nondet_uchar() [L462] input_48 = __VERIFIER_nondet_uchar() [L463] input_49 = __VERIFIER_nondet_uchar() [L464] input_51 = __VERIFIER_nondet_uchar() [L465] input_52 = __VERIFIER_nondet_uchar() [L466] input_53 = __VERIFIER_nondet_uchar() [L467] input_54 = __VERIFIER_nondet_uchar() [L468] input_55 = __VERIFIER_nondet_uchar() [L469] input_56 = __VERIFIER_nondet_uchar() [L470] input_57 = __VERIFIER_nondet_uchar() [L471] input_58 = __VERIFIER_nondet_uchar() [L472] input_60 = __VERIFIER_nondet_uchar() [L473] input_61 = __VERIFIER_nondet_uchar() [L474] input_62 = __VERIFIER_nondet_uchar() [L475] input_63 = __VERIFIER_nondet_uchar() [L476] input_64 = __VERIFIER_nondet_uchar() [L477] input_65 = __VERIFIER_nondet_uchar() [L478] input_66 = __VERIFIER_nondet_uchar() [L479] input_67 = __VERIFIER_nondet_uchar() [L480] input_68 = __VERIFIER_nondet_uchar() [L481] input_69 = __VERIFIER_nondet_uchar() [L482] input_70 = __VERIFIER_nondet_uchar() [L483] input_71 = __VERIFIER_nondet_uchar() [L484] input_72 = __VERIFIER_nondet_uchar() [L485] input_73 = __VERIFIER_nondet_uchar() [L486] input_74 = __VERIFIER_nondet_uchar() [L487] input_75 = __VERIFIER_nondet_uchar() [L488] input_76 = __VERIFIER_nondet_uchar() [L489] input_77 = __VERIFIER_nondet_uint() [L490] input_78 = __VERIFIER_nondet_uchar() [L491] input_79 = __VERIFIER_nondet_uchar() [L492] input_80 = __VERIFIER_nondet_uchar() [L493] input_81 = __VERIFIER_nondet_uchar() [L494] input_82 = __VERIFIER_nondet_uchar() [L495] input_83 = __VERIFIER_nondet_uchar() [L496] input_84 = __VERIFIER_nondet_uchar() [L497] input_85 = __VERIFIER_nondet_uchar() [L498] input_86 = __VERIFIER_nondet_uchar() [L499] input_87 = __VERIFIER_nondet_uchar() [L500] input_88 = __VERIFIER_nondet_uchar() [L501] input_89 = __VERIFIER_nondet_uchar() [L502] input_90 = __VERIFIER_nondet_uchar() [L503] input_91 = __VERIFIER_nondet_uchar() [L504] input_92 = __VERIFIER_nondet_uchar() [L505] input_93 = __VERIFIER_nondet_uchar() [L506] input_94 = __VERIFIER_nondet_uchar() [L507] input_95 = __VERIFIER_nondet_uchar() [L508] input_96 = __VERIFIER_nondet_uchar() [L509] input_97 = __VERIFIER_nondet_uchar() [L510] input_98 = __VERIFIER_nondet_uchar() [L511] input_99 = __VERIFIER_nondet_uchar() [L512] input_100 = __VERIFIER_nondet_uchar() [L513] input_101 = __VERIFIER_nondet_uchar() [L514] input_102 = __VERIFIER_nondet_uchar() [L517] SORT_3 var_106_arg_0 = state_104; [L518] SORT_3 var_106 = ~var_106_arg_0; [L519] SORT_3 var_112_arg_0 = state_110; [L520] SORT_36 var_112_arg_1 = state_108; [L521] SORT_36 var_112_arg_2 = input_65; VAL [init_105_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_115_arg_1=0, init_127_arg_1=0, init_131_arg_1=0, init_193_arg_1=0, init_3052_arg_1=0, init_3056_arg_1=0, init_3065_arg_1=0, init_3069_arg_1=0, init_3082_arg_1=0, init_3085_arg_1=0, init_3096_arg_1=0, init_3100_arg_1=0, init_3103_arg_1=0, init_3115_arg_1=0, init_3121_arg_1=0, init_3190_arg_1=0, init_3193_arg_1=0, init_3196_arg_1=0, init_418_arg_1=0, init_500_arg_1=0, init_513_arg_1=0, init_536_arg_1=0, init_581_arg_1=0, init_584_arg_1=0, init_587_arg_1=0, init_590_arg_1=0, init_593_arg_1=0, init_596_arg_1=0, init_599_arg_1=0, init_602_arg_1=0, init_632_arg_1=0, init_650_arg_1=0, input_10=68, input_100=56, input_101=28, input_102=1, input_12=30, input_13=0, input_14=5, input_15=41, input_16=22, input_17=0, input_18=45, input_19=60, input_2=0, input_20=46, input_21=0, input_22=1, input_23=12, input_24=53, input_25=10, input_26=0, input_27=0, input_28=1, input_30=0, input_31=0, input_32=1, input_33=36, input_34=20, input_35=0, input_37=31, input_38=63, input_39=6, input_4=24, input_40=71, input_41=70, input_42=9, input_43=16, input_44=35, input_45=47, input_46=57, input_47=34, input_48=52, input_49=62, input_5=1, input_51=69, input_52=32, input_53=14, input_54=44, input_55=66, input_56=33, input_57=38, input_58=59, input_60=27, input_61=23, input_62=8, input_63=40, input_64=50, input_65=5, input_66=72, input_67=51, input_68=13, input_69=3, input_7=15, input_70=65, input_71=29, input_72=61, input_73=58, input_74=11, input_75=42, input_76=17, input_77=73, input_78=37, input_79=26, input_8=1, input_80=31, input_81=55, input_82=2, input_83=67, input_84=64, input_85=54, input_86=15, input_87=18, input_88=76, input_89=48, input_90=74, input_91=43, input_92=49, input_93=4, input_94=19, input_95=25, input_96=39, input_97=75, input_98=21, input_99=7, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1129=4294967295, mask_SORT_1277=4294967295, mask_SORT_1319=4294967295, mask_SORT_1324=4294967295, mask_SORT_1327=4294967295, mask_SORT_1330=4294967295, mask_SORT_1335=4294967295, mask_SORT_264=511, mask_SORT_266=1023, mask_SORT_268=2047, mask_SORT_270=4095, mask_SORT_29=7, mask_SORT_3=1, mask_SORT_3042=18446744073709551615, mask_SORT_36=31, mask_SORT_50=63, mask_SORT_59=127, mask_SORT_6=15, mask_SORT_605=16383, mask_SORT_607=65535, mask_SORT_609=4294967295, mask_SORT_611=4294967295, mask_SORT_613=4294967295, mask_SORT_652=1, mask_SORT_809=8191, mask_SORT_812=32767, mask_SORT_815=4294967295, mask_SORT_817=4294967295, mask_SORT_9=255, mask_SORT_908=4294967295, mask_SORT_910=4294967295, mask_SORT_912=4294967295, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1129=4194304, msb_SORT_1277=33554432, msb_SORT_1319=16777216, msb_SORT_1324=67108864, msb_SORT_1327=134217728, msb_SORT_1330=268435456, msb_SORT_1335=1073741824, msb_SORT_264=256, msb_SORT_266=512, msb_SORT_268=1024, msb_SORT_270=2048, msb_SORT_29=4, msb_SORT_3=1, msb_SORT_3042=8589934592, msb_SORT_36=16, msb_SORT_50=32, msb_SORT_59=64, msb_SORT_6=8, msb_SORT_605=8192, msb_SORT_607=32768, msb_SORT_609=2097152, msb_SORT_611=8388608, msb_SORT_613=536870912, msb_SORT_652=4294967296, msb_SORT_809=4096, msb_SORT_812=16384, msb_SORT_815=65536, msb_SORT_817=131072, msb_SORT_9=128, msb_SORT_908=262144, msb_SORT_910=524288, msb_SORT_912=1048576, state_104=0, state_108=0, state_110=0, state_114=0, state_126=0, state_130=0, state_192=0, state_3051=0, state_3055=0, state_3064=0, state_3068=0, state_3081=0, state_3084=0, state_3095=0, state_3099=0, state_3102=0, state_3114=0, state_3120=0, state_3189=0, state_3192=0, state_3195=0, state_417=0, state_499=0, state_512=0, state_535=0, state_580=0, state_583=0, state_586=0, state_589=0, state_592=0, state_595=0, state_598=0, state_601=0, state_631=0, state_649=0, var_103=0, var_106_arg_0=0, var_107=0, var_112_arg_0=0, var_112_arg_1=0, var_112_arg_2=5, var_122=1, var_1269=8, var_1278=0, var_129=0, var_1364=255, var_1368=1, var_137=3, var_139=2, var_141=1, var_145=1, var_148=3, var_1484=0, var_151=2, var_155=5, var_158=7, var_161=6, var_165=4, var_191=0, var_212=11, var_214=10, var_216=2, var_218=9, var_233=21, var_235=20, var_237=19, var_239=18, var_241=17, var_2422=1, var_2425=3, var_2428=2, var_243=16, var_2432=5, var_2435=7, var_2438=6, var_2442=4, var_2448=9, var_245=15, var_2451=11, var_2454=10, var_2458=13, var_2461=15, var_2464=14, var_2468=12, var_247=14, var_249=8, var_251=6, var_253=3, var_255=5, var_2654=0, var_273=4, var_275=1, var_285=7, var_303=13, var_3044=0, var_3067=0, var_311=12, var_3136=0, var_332=23, var_335=22, var_344=25, var_347=27, var_350=26, var_354=29, var_357=31, var_360=30, var_364=28, var_370=24, var_393=0, var_469=3, var_511=0, var_534=0, var_653=0, var_822=2, var_825=1] [L522] EXPR var_112_arg_0 ? var_112_arg_1 : var_112_arg_2 VAL [init_105_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_115_arg_1=0, init_127_arg_1=0, init_131_arg_1=0, init_193_arg_1=0, init_3052_arg_1=0, init_3056_arg_1=0, init_3065_arg_1=0, init_3069_arg_1=0, init_3082_arg_1=0, init_3085_arg_1=0, init_3096_arg_1=0, init_3100_arg_1=0, init_3103_arg_1=0, init_3115_arg_1=0, init_3121_arg_1=0, init_3190_arg_1=0, init_3193_arg_1=0, init_3196_arg_1=0, init_418_arg_1=0, init_500_arg_1=0, init_513_arg_1=0, init_536_arg_1=0, init_581_arg_1=0, init_584_arg_1=0, init_587_arg_1=0, init_590_arg_1=0, init_593_arg_1=0, init_596_arg_1=0, init_599_arg_1=0, init_602_arg_1=0, init_632_arg_1=0, init_650_arg_1=0, input_10=68, input_100=56, input_101=28, input_102=1, input_12=30, input_13=0, input_14=5, input_15=41, input_16=22, input_17=0, input_18=45, input_19=60, input_2=0, input_20=46, input_21=0, input_22=1, input_23=12, input_24=53, input_25=10, input_26=0, input_27=0, input_28=1, input_30=0, input_31=0, input_32=1, input_33=36, input_34=20, input_35=0, input_37=31, input_38=63, input_39=6, input_4=24, input_40=71, input_41=70, input_42=9, input_43=16, input_44=35, input_45=47, input_46=57, input_47=34, input_48=52, input_49=62, input_5=1, input_51=69, input_52=32, input_53=14, input_54=44, input_55=66, input_56=33, input_57=38, input_58=59, input_60=27, input_61=23, input_62=8, input_63=40, input_64=50, input_65=5, input_66=72, input_67=51, input_68=13, input_69=3, input_7=15, input_70=65, input_71=29, input_72=61, input_73=58, input_74=11, input_75=42, input_76=17, input_77=73, input_78=37, input_79=26, input_8=1, input_80=31, input_81=55, input_82=2, input_83=67, input_84=64, input_85=54, input_86=15, input_87=18, input_88=76, input_89=48, input_90=74, input_91=43, input_92=49, input_93=4, input_94=19, input_95=25, input_96=39, input_97=75, input_98=21, input_99=7, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1129=4294967295, mask_SORT_1277=4294967295, mask_SORT_1319=4294967295, mask_SORT_1324=4294967295, mask_SORT_1327=4294967295, mask_SORT_1330=4294967295, mask_SORT_1335=4294967295, mask_SORT_264=511, mask_SORT_266=1023, mask_SORT_268=2047, mask_SORT_270=4095, mask_SORT_29=7, mask_SORT_3=1, mask_SORT_3042=18446744073709551615, mask_SORT_36=31, mask_SORT_50=63, mask_SORT_59=127, mask_SORT_6=15, mask_SORT_605=16383, mask_SORT_607=65535, mask_SORT_609=4294967295, mask_SORT_611=4294967295, mask_SORT_613=4294967295, mask_SORT_652=1, mask_SORT_809=8191, mask_SORT_812=32767, mask_SORT_815=4294967295, mask_SORT_817=4294967295, mask_SORT_9=255, mask_SORT_908=4294967295, mask_SORT_910=4294967295, mask_SORT_912=4294967295, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1129=4194304, msb_SORT_1277=33554432, msb_SORT_1319=16777216, msb_SORT_1324=67108864, msb_SORT_1327=134217728, msb_SORT_1330=268435456, msb_SORT_1335=1073741824, msb_SORT_264=256, msb_SORT_266=512, msb_SORT_268=1024, msb_SORT_270=2048, msb_SORT_29=4, msb_SORT_3=1, msb_SORT_3042=8589934592, msb_SORT_36=16, msb_SORT_50=32, msb_SORT_59=64, msb_SORT_6=8, msb_SORT_605=8192, msb_SORT_607=32768, msb_SORT_609=2097152, msb_SORT_611=8388608, msb_SORT_613=536870912, msb_SORT_652=4294967296, msb_SORT_809=4096, msb_SORT_812=16384, msb_SORT_815=65536, msb_SORT_817=131072, msb_SORT_9=128, msb_SORT_908=262144, msb_SORT_910=524288, msb_SORT_912=1048576, state_104=0, state_108=0, state_110=0, state_114=0, state_126=0, state_130=0, state_192=0, state_3051=0, state_3055=0, state_3064=0, state_3068=0, state_3081=0, state_3084=0, state_3095=0, state_3099=0, state_3102=0, state_3114=0, state_3120=0, state_3189=0, state_3192=0, state_3195=0, state_417=0, state_499=0, state_512=0, state_535=0, state_580=0, state_583=0, state_586=0, state_589=0, state_592=0, state_595=0, state_598=0, state_601=0, state_631=0, state_649=0, var_103=0, var_106_arg_0=0, var_107=0, var_112_arg_0=0, var_112_arg_0 ? var_112_arg_1 : var_112_arg_2=5, var_112_arg_1=0, var_112_arg_2=5, var_122=1, var_1269=8, var_1278=0, var_129=0, var_1364=255, var_1368=1, var_137=3, var_139=2, var_141=1, var_145=1, var_148=3, var_1484=0, var_151=2, var_155=5, var_158=7, var_161=6, var_165=4, var_191=0, var_212=11, var_214=10, var_216=2, var_218=9, var_233=21, var_235=20, var_237=19, var_239=18, var_241=17, var_2422=1, var_2425=3, var_2428=2, var_243=16, var_2432=5, var_2435=7, var_2438=6, var_2442=4, var_2448=9, var_245=15, var_2451=11, var_2454=10, var_2458=13, var_2461=15, var_2464=14, var_2468=12, var_247=14, var_249=8, var_251=6, var_253=3, var_255=5, var_2654=0, var_273=4, var_275=1, var_285=7, var_303=13, var_3044=0, var_3067=0, var_311=12, var_3136=0, var_332=23, var_335=22, var_344=25, var_347=27, var_350=26, var_354=29, var_357=31, var_360=30, var_364=28, var_370=24, var_393=0, var_469=3, var_511=0, var_534=0, var_653=0, var_822=2, var_825=1] [L522] SORT_36 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L523] var_112 = var_112 & mask_SORT_36 [L524] SORT_36 var_113_arg_0 = var_112; [L525] SORT_3 var_113 = var_113_arg_0 >> 0; [L526] var_113 = var_113 & mask_SORT_3 [L527] SORT_3 var_116_arg_0 = state_110; [L528] SORT_36 var_116_arg_1 = state_114; [L529] SORT_36 var_116_arg_2 = input_65; VAL [init_105_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_115_arg_1=0, init_127_arg_1=0, init_131_arg_1=0, init_193_arg_1=0, init_3052_arg_1=0, init_3056_arg_1=0, init_3065_arg_1=0, init_3069_arg_1=0, init_3082_arg_1=0, init_3085_arg_1=0, init_3096_arg_1=0, init_3100_arg_1=0, init_3103_arg_1=0, init_3115_arg_1=0, init_3121_arg_1=0, init_3190_arg_1=0, init_3193_arg_1=0, init_3196_arg_1=0, init_418_arg_1=0, init_500_arg_1=0, init_513_arg_1=0, init_536_arg_1=0, init_581_arg_1=0, init_584_arg_1=0, init_587_arg_1=0, init_590_arg_1=0, init_593_arg_1=0, init_596_arg_1=0, init_599_arg_1=0, init_602_arg_1=0, init_632_arg_1=0, init_650_arg_1=0, input_10=68, input_100=56, input_101=28, input_102=1, input_12=30, input_13=0, input_14=5, input_15=41, input_16=22, input_17=0, input_18=45, input_19=60, input_2=0, input_20=46, input_21=0, input_22=1, input_23=12, input_24=53, input_25=10, input_26=0, input_27=0, input_28=1, input_30=0, input_31=0, input_32=1, input_33=36, input_34=20, input_35=0, input_37=31, input_38=63, input_39=6, input_4=24, input_40=71, input_41=70, input_42=9, input_43=16, input_44=35, input_45=47, input_46=57, input_47=34, input_48=52, input_49=62, input_5=1, input_51=69, input_52=32, input_53=14, input_54=44, input_55=66, input_56=33, input_57=38, input_58=59, input_60=27, input_61=23, input_62=8, input_63=40, input_64=50, input_65=5, input_66=72, input_67=51, input_68=13, input_69=3, input_7=15, input_70=65, input_71=29, input_72=61, input_73=58, input_74=11, input_75=42, input_76=17, input_77=73, input_78=37, input_79=26, input_8=1, input_80=31, input_81=55, input_82=2, input_83=67, input_84=64, input_85=54, input_86=15, input_87=18, input_88=76, input_89=48, input_90=74, input_91=43, input_92=49, input_93=4, input_94=19, input_95=25, input_96=39, input_97=75, input_98=21, input_99=7, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1129=4294967295, mask_SORT_1277=4294967295, mask_SORT_1319=4294967295, mask_SORT_1324=4294967295, mask_SORT_1327=4294967295, mask_SORT_1330=4294967295, mask_SORT_1335=4294967295, mask_SORT_264=511, mask_SORT_266=1023, mask_SORT_268=2047, mask_SORT_270=4095, mask_SORT_29=7, mask_SORT_3=1, mask_SORT_3042=18446744073709551615, mask_SORT_36=31, mask_SORT_50=63, mask_SORT_59=127, mask_SORT_6=15, mask_SORT_605=16383, mask_SORT_607=65535, mask_SORT_609=4294967295, mask_SORT_611=4294967295, mask_SORT_613=4294967295, mask_SORT_652=1, mask_SORT_809=8191, mask_SORT_812=32767, mask_SORT_815=4294967295, mask_SORT_817=4294967295, mask_SORT_9=255, mask_SORT_908=4294967295, mask_SORT_910=4294967295, mask_SORT_912=4294967295, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1129=4194304, msb_SORT_1277=33554432, msb_SORT_1319=16777216, msb_SORT_1324=67108864, msb_SORT_1327=134217728, msb_SORT_1330=268435456, msb_SORT_1335=1073741824, msb_SORT_264=256, msb_SORT_266=512, msb_SORT_268=1024, msb_SORT_270=2048, msb_SORT_29=4, msb_SORT_3=1, msb_SORT_3042=8589934592, msb_SORT_36=16, msb_SORT_50=32, msb_SORT_59=64, msb_SORT_6=8, msb_SORT_605=8192, msb_SORT_607=32768, msb_SORT_609=2097152, msb_SORT_611=8388608, msb_SORT_613=536870912, msb_SORT_652=4294967296, msb_SORT_809=4096, msb_SORT_812=16384, msb_SORT_815=65536, msb_SORT_817=131072, msb_SORT_9=128, msb_SORT_908=262144, msb_SORT_910=524288, msb_SORT_912=1048576, state_104=0, state_108=0, state_110=0, state_114=0, state_126=0, state_130=0, state_192=0, state_3051=0, state_3055=0, state_3064=0, state_3068=0, state_3081=0, state_3084=0, state_3095=0, state_3099=0, state_3102=0, state_3114=0, state_3120=0, state_3189=0, state_3192=0, state_3195=0, state_417=0, state_499=0, state_512=0, state_535=0, state_580=0, state_583=0, state_586=0, state_589=0, state_592=0, state_595=0, state_598=0, state_601=0, state_631=0, state_649=0, var_103=0, var_106_arg_0=0, var_107=0, var_112=0, var_112_arg_0=0, var_112_arg_1=0, var_112_arg_2=5, var_113=0, var_113_arg_0=0, var_116_arg_0=0, var_116_arg_1=0, var_116_arg_2=5, var_122=1, var_1269=8, var_1278=0, var_129=0, var_1364=255, var_1368=1, var_137=3, var_139=2, var_141=1, var_145=1, var_148=3, var_1484=0, var_151=2, var_155=5, var_158=7, var_161=6, var_165=4, var_191=0, var_212=11, var_214=10, var_216=2, var_218=9, var_233=21, var_235=20, var_237=19, var_239=18, var_241=17, var_2422=1, var_2425=3, var_2428=2, var_243=16, var_2432=5, var_2435=7, var_2438=6, var_2442=4, var_2448=9, var_245=15, var_2451=11, var_2454=10, var_2458=13, var_2461=15, var_2464=14, var_2468=12, var_247=14, var_249=8, var_251=6, var_253=3, var_255=5, var_2654=0, var_273=4, var_275=1, var_285=7, var_303=13, var_3044=0, var_3067=0, var_311=12, var_3136=0, var_332=23, var_335=22, var_344=25, var_347=27, var_350=26, var_354=29, var_357=31, var_360=30, var_364=28, var_370=24, var_393=0, var_469=3, var_511=0, var_534=0, var_653=0, var_822=2, var_825=1] [L530] EXPR var_116_arg_0 ? var_116_arg_1 : var_116_arg_2 VAL [init_105_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_115_arg_1=0, init_127_arg_1=0, init_131_arg_1=0, init_193_arg_1=0, init_3052_arg_1=0, init_3056_arg_1=0, init_3065_arg_1=0, init_3069_arg_1=0, init_3082_arg_1=0, init_3085_arg_1=0, init_3096_arg_1=0, init_3100_arg_1=0, init_3103_arg_1=0, init_3115_arg_1=0, init_3121_arg_1=0, init_3190_arg_1=0, init_3193_arg_1=0, init_3196_arg_1=0, init_418_arg_1=0, init_500_arg_1=0, init_513_arg_1=0, init_536_arg_1=0, init_581_arg_1=0, init_584_arg_1=0, init_587_arg_1=0, init_590_arg_1=0, init_593_arg_1=0, init_596_arg_1=0, init_599_arg_1=0, init_602_arg_1=0, init_632_arg_1=0, init_650_arg_1=0, input_10=68, input_100=56, input_101=28, input_102=1, input_12=30, input_13=0, input_14=5, input_15=41, input_16=22, input_17=0, input_18=45, input_19=60, input_2=0, input_20=46, input_21=0, input_22=1, input_23=12, input_24=53, input_25=10, input_26=0, input_27=0, input_28=1, input_30=0, input_31=0, input_32=1, input_33=36, input_34=20, input_35=0, input_37=31, input_38=63, input_39=6, input_4=24, input_40=71, input_41=70, input_42=9, input_43=16, input_44=35, input_45=47, input_46=57, input_47=34, input_48=52, input_49=62, input_5=1, input_51=69, input_52=32, input_53=14, input_54=44, input_55=66, input_56=33, input_57=38, input_58=59, input_60=27, input_61=23, input_62=8, input_63=40, input_64=50, input_65=5, input_66=72, input_67=51, input_68=13, input_69=3, input_7=15, input_70=65, input_71=29, input_72=61, input_73=58, input_74=11, input_75=42, input_76=17, input_77=73, input_78=37, input_79=26, input_8=1, input_80=31, input_81=55, input_82=2, input_83=67, input_84=64, input_85=54, input_86=15, input_87=18, input_88=76, input_89=48, input_90=74, input_91=43, input_92=49, input_93=4, input_94=19, input_95=25, input_96=39, input_97=75, input_98=21, input_99=7, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1129=4294967295, mask_SORT_1277=4294967295, mask_SORT_1319=4294967295, mask_SORT_1324=4294967295, mask_SORT_1327=4294967295, mask_SORT_1330=4294967295, mask_SORT_1335=4294967295, mask_SORT_264=511, mask_SORT_266=1023, mask_SORT_268=2047, mask_SORT_270=4095, mask_SORT_29=7, mask_SORT_3=1, mask_SORT_3042=18446744073709551615, mask_SORT_36=31, mask_SORT_50=63, mask_SORT_59=127, mask_SORT_6=15, mask_SORT_605=16383, mask_SORT_607=65535, mask_SORT_609=4294967295, mask_SORT_611=4294967295, mask_SORT_613=4294967295, mask_SORT_652=1, mask_SORT_809=8191, mask_SORT_812=32767, mask_SORT_815=4294967295, mask_SORT_817=4294967295, mask_SORT_9=255, mask_SORT_908=4294967295, mask_SORT_910=4294967295, mask_SORT_912=4294967295, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1129=4194304, msb_SORT_1277=33554432, msb_SORT_1319=16777216, msb_SORT_1324=67108864, msb_SORT_1327=134217728, msb_SORT_1330=268435456, msb_SORT_1335=1073741824, msb_SORT_264=256, msb_SORT_266=512, msb_SORT_268=1024, msb_SORT_270=2048, msb_SORT_29=4, msb_SORT_3=1, msb_SORT_3042=8589934592, msb_SORT_36=16, msb_SORT_50=32, msb_SORT_59=64, msb_SORT_6=8, msb_SORT_605=8192, msb_SORT_607=32768, msb_SORT_609=2097152, msb_SORT_611=8388608, msb_SORT_613=536870912, msb_SORT_652=4294967296, msb_SORT_809=4096, msb_SORT_812=16384, msb_SORT_815=65536, msb_SORT_817=131072, msb_SORT_9=128, msb_SORT_908=262144, msb_SORT_910=524288, msb_SORT_912=1048576, state_104=0, state_108=0, state_110=0, state_114=0, state_126=0, state_130=0, state_192=0, state_3051=0, state_3055=0, state_3064=0, state_3068=0, state_3081=0, state_3084=0, state_3095=0, state_3099=0, state_3102=0, state_3114=0, state_3120=0, state_3189=0, state_3192=0, state_3195=0, state_417=0, state_499=0, state_512=0, state_535=0, state_580=0, state_583=0, state_586=0, state_589=0, state_592=0, state_595=0, state_598=0, state_601=0, state_631=0, state_649=0, var_103=0, var_106_arg_0=0, var_107=0, var_112=0, var_112_arg_0=0, var_112_arg_1=0, var_112_arg_2=5, var_113=0, var_113_arg_0=0, var_116_arg_0=0, var_116_arg_0 ? var_116_arg_1 : var_116_arg_2=5, var_116_arg_1=0, var_116_arg_2=5, var_122=1, var_1269=8, var_1278=0, var_129=0, var_1364=255, var_1368=1, var_137=3, var_139=2, var_141=1, var_145=1, var_148=3, var_1484=0, var_151=2, var_155=5, var_158=7, var_161=6, var_165=4, var_191=0, var_212=11, var_214=10, var_216=2, var_218=9, var_233=21, var_235=20, var_237=19, var_239=18, var_241=17, var_2422=1, var_2425=3, var_2428=2, var_243=16, var_2432=5, var_2435=7, var_2438=6, var_2442=4, var_2448=9, var_245=15, var_2451=11, var_2454=10, var_2458=13, var_2461=15, var_2464=14, var_2468=12, var_247=14, var_249=8, var_251=6, var_253=3, var_255=5, var_2654=0, var_273=4, var_275=1, var_285=7, var_303=13, var_3044=0, var_3067=0, var_311=12, var_3136=0, var_332=23, var_335=22, var_344=25, var_347=27, var_350=26, var_354=29, var_357=31, var_360=30, var_364=28, var_370=24, var_393=0, var_469=3, var_511=0, var_534=0, var_653=0, var_822=2, var_825=1] [L530] SORT_36 var_116 = var_116_arg_0 ? var_116_arg_1 : var_116_arg_2; [L531] SORT_36 var_117_arg_0 = var_116; [L532] SORT_3 var_117 = var_117_arg_0 >> 0; [L533] var_117 = var_117 & mask_SORT_3 [L534] SORT_3 var_118_arg_0 = var_113; [L535] SORT_3 var_118_arg_1 = var_117; [L536] SORT_3 var_118 = var_118_arg_0 == var_118_arg_1; [L537] SORT_3 var_119_arg_0 = var_106; [L538] SORT_3 var_119_arg_1 = var_118; [L539] SORT_3 var_119 = var_119_arg_0 | var_119_arg_1; [L540] SORT_3 var_123_arg_0 = var_119; [L541] SORT_3 var_123 = ~var_123_arg_0; [L542] SORT_3 var_124_arg_0 = var_122; [L543] SORT_3 var_124_arg_1 = var_123; [L544] SORT_3 var_124 = var_124_arg_0 & var_124_arg_1; [L545] var_124 = var_124 & mask_SORT_3 [L546] SORT_3 bad_125_arg_0 = var_124; [L547] CALL __VERIFIER_assert(!(bad_125_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, 1205 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7173 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7173 mSDsluCounter, 10645 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7113 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 145 IncrementalHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3532 mSDtfsCounter, 145 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1205occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 2396 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-02 20:48:10,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal61.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc --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 ff70111e74a6dfb18a1d88d643f76d65f65361b02e87d8a772caea68c0da6016 --- 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-5e519f3 [2022-11-02 20:48:12,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:48:12,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:48:12,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:48:12,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:48:12,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:48:12,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:48:12,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:48:12,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:48:12,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:48:12,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:48:12,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:48:12,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:48:12,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:48:12,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:48:12,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:48:12,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:48:12,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:48:12,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:48:12,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:48:12,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:48:12,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:48:12,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:48:12,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:48:12,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:48:12,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:48:12,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:48:12,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:48:12,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:48:12,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:48:12,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:48:12,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:48:12,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:48:12,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:48:12,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:48:12,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:48:12,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:48:12,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:48:12,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:48:12,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:48:12,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:48:12,944 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-02 20:48:12,968 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:48:12,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:48:12,969 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:48:12,969 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:48:12,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:48:12,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:48:12,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:48:12,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:48:12,971 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:48:12,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:48:12,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:48:12,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:48:12,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:48:12,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:48:12,973 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 20:48:12,973 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 20:48:12,973 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 20:48:12,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:48:12,973 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:48:12,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:48:12,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:48:12,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:48:12,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:48:12,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:48:12,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:48:12,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:48:12,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:48:12,975 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 20:48:12,976 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 20:48:12,976 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:48:12,976 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:48:12,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:48:12,977 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 20:48:12,977 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff70111e74a6dfb18a1d88d643f76d65f65361b02e87d8a772caea68c0da6016 [2022-11-02 20:48:13,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:48:13,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:48:13,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:48:13,439 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:48:13,442 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:48:13,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal61.c [2022-11-02 20:48:13,519 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/data/12b1cadec/89356adeb5a947f699362cb676853984/FLAG5d9b91a49 [2022-11-02 20:48:14,507 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:48:14,508 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal61.c [2022-11-02 20:48:14,584 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/data/12b1cadec/89356adeb5a947f699362cb676853984/FLAG5d9b91a49 [2022-11-02 20:48:14,914 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/data/12b1cadec/89356adeb5a947f699362cb676853984 [2022-11-02 20:48:14,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:48:14,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:48:14,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:48:14,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:48:14,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:48:14,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:48:14" (1/1) ... [2022-11-02 20:48:14,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ff7d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:14, skipping insertion in model container [2022-11-02 20:48:14,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:48:14" (1/1) ... [2022-11-02 20:48:14,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:48:15,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:48:15,508 WARN L230 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_3d6d69ed-c8ca-48b9-a24f-60639e33c860/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal61.c[1107,1120] [2022-11-02 20:48:16,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:48:16,867 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:48:16,879 WARN L230 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_3d6d69ed-c8ca-48b9-a24f-60639e33c860/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal61.c[1107,1120] [2022-11-02 20:48:17,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:48:17,736 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:48:17,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:17 WrapperNode [2022-11-02 20:48:17,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:48:17,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:48:17,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:48:17,738 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:48:17,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:17" (1/1) ... [2022-11-02 20:48:18,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:17" (1/1) ... [2022-11-02 20:48:18,702 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13516 [2022-11-02 20:48:18,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:48:18,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:48:18,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:48:18,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:48:18,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:17" (1/1) ... [2022-11-02 20:48:18,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:17" (1/1) ... [2022-11-02 20:48:18,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:17" (1/1) ... [2022-11-02 20:48:18,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:17" (1/1) ... [2022-11-02 20:48:19,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:17" (1/1) ... [2022-11-02 20:48:19,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:17" (1/1) ... [2022-11-02 20:48:19,165 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:17" (1/1) ... [2022-11-02 20:48:19,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:17" (1/1) ... [2022-11-02 20:48:19,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:48:19,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:48:19,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:48:19,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:48:19,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:17" (1/1) ... [2022-11-02 20:48:19,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:48:19,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:19,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:19,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:48:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:48:19,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:48:20,909 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:48:20,911 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:48:28,902 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:48:28,918 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:48:28,918 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:48:28,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:48:28 BoogieIcfgContainer [2022-11-02 20:48:28,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:48:28,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:48:28,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:48:28,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:48:28,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:48:14" (1/3) ... [2022-11-02 20:48:28,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a12da8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:48:28, skipping insertion in model container [2022-11-02 20:48:28,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:17" (2/3) ... [2022-11-02 20:48:28,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a12da8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:48:28, skipping insertion in model container [2022-11-02 20:48:28,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:48:28" (3/3) ... [2022-11-02 20:48:28,931 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal61.c [2022-11-02 20:48:28,950 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:48:28,950 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:48:29,024 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:48:29,031 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;@70638240, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:48:29,031 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:48:29,040 INFO L276 IsEmpty]: Start isEmpty. Operand has 1205 states, 1203 states have (on average 1.4995843724023274) internal successors, (1804), 1204 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:29,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:48:29,046 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:29,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:29,049 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:29,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:29,054 INFO L85 PathProgramCache]: Analyzing trace with hash -332259343, now seen corresponding path program 1 times [2022-11-02 20:48:29,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:48:29,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1438495470] [2022-11-02 20:48:29,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:29,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:48:29,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:48:29,074 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:48:29,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-02 20:48:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:31,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:48:31,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:48:31,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:31,329 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:48:31,330 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:48:31,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1438495470] [2022-11-02 20:48:31,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1438495470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:31,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:48:31,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:48:31,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498925984] [2022-11-02 20:48:31,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:31,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:48:31,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:48:31,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:48:31,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:48:31,371 INFO L87 Difference]: Start difference. First operand has 1205 states, 1203 states have (on average 1.4995843724023274) internal successors, (1804), 1204 states have internal predecessors, (1804), 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 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:31,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:31,869 INFO L93 Difference]: Finished difference Result 4801 states and 7199 transitions. [2022-11-02 20:48:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:48:31,872 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) Word has length 9 [2022-11-02 20:48:31,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:48:31,897 INFO L225 Difference]: With dead ends: 4801 [2022-11-02 20:48:31,897 INFO L226 Difference]: Without dead ends: 3598 [2022-11-02 20:48:31,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:48:31,907 INFO L413 NwaCegarLoop]: 1765 mSDtfsCounter, 5381 mSDsluCounter, 5317 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5381 SdHoareTripleChecker+Valid, 7082 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:48:31,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5381 Valid, 7082 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:48:31,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3598 states. [2022-11-02 20:48:31,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3598 to 1203. [2022-11-02 20:48:31,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 1202 states have (on average 1.497504159733777) internal successors, (1800), 1202 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:32,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1800 transitions. [2022-11-02 20:48:32,003 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 1800 transitions. Word has length 9 [2022-11-02 20:48:32,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:48:32,003 INFO L495 AbstractCegarLoop]: Abstraction has 1203 states and 1800 transitions. [2022-11-02 20:48:32,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:32,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1800 transitions. [2022-11-02 20:48:32,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:48:32,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:32,005 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:32,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-02 20:48:32,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:48:32,220 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:32,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:32,221 INFO L85 PathProgramCache]: Analyzing trace with hash -275001041, now seen corresponding path program 1 times [2022-11-02 20:48:32,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:48:32,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [298715781] [2022-11-02 20:48:32,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:32,222 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:48:32,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:48:32,225 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:48:32,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-02 20:48:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:34,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:48:34,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:48:34,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:34,197 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:48:34,197 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:48:34,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [298715781] [2022-11-02 20:48:34,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [298715781] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:34,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:48:34,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:48:34,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368971085] [2022-11-02 20:48:34,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:34,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:48:34,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:48:34,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:48:34,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:48:34,202 INFO L87 Difference]: Start difference. First operand 1203 states and 1800 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:34,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:34,629 INFO L93 Difference]: Finished difference Result 4797 states and 7183 transitions. [2022-11-02 20:48:34,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:48:34,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) Word has length 9 [2022-11-02 20:48:34,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:48:34,641 INFO L225 Difference]: With dead ends: 4797 [2022-11-02 20:48:34,642 INFO L226 Difference]: Without dead ends: 3598 [2022-11-02 20:48:34,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:48:34,646 INFO L413 NwaCegarLoop]: 1767 mSDtfsCounter, 5375 mSDsluCounter, 5314 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5375 SdHoareTripleChecker+Valid, 7081 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:48:34,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5375 Valid, 7081 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:48:34,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3598 states. [2022-11-02 20:48:34,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3598 to 1205. [2022-11-02 20:48:34,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 1204 states have (on average 1.4966777408637875) internal successors, (1802), 1204 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:34,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1802 transitions. [2022-11-02 20:48:34,698 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1802 transitions. Word has length 9 [2022-11-02 20:48:34,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:48:34,699 INFO L495 AbstractCegarLoop]: Abstraction has 1205 states and 1802 transitions. [2022-11-02 20:48:34,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:34,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1802 transitions. [2022-11-02 20:48:34,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:48:34,700 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:34,700 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:34,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:34,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:48:34,916 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:34,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:34,917 INFO L85 PathProgramCache]: Analyzing trace with hash -274941459, now seen corresponding path program 1 times [2022-11-02 20:48:34,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:48:34,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1379877071] [2022-11-02 20:48:34,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:34,918 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:48:34,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:48:34,920 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:48:34,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-02 20:48:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:36,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-02 20:48:36,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:48:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:36,847 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:48:36,848 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:48:36,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1379877071] [2022-11-02 20:48:36,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1379877071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:36,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:48:36,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:48:36,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449031682] [2022-11-02 20:48:36,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:36,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:48:36,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:48:36,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:48:36,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:48:36,851 INFO L87 Difference]: Start difference. First operand 1205 states and 1802 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:39,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:39,066 INFO L93 Difference]: Finished difference Result 2405 states and 3599 transitions. [2022-11-02 20:48:39,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:48:39,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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) Word has length 9 [2022-11-02 20:48:39,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:48:39,075 INFO L225 Difference]: With dead ends: 2405 [2022-11-02 20:48:39,076 INFO L226 Difference]: Without dead ends: 2403 [2022-11-02 20:48:39,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:48:39,082 INFO L413 NwaCegarLoop]: 1738 mSDtfsCounter, 5371 mSDsluCounter, 5260 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5371 SdHoareTripleChecker+Valid, 6998 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:48:39,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5371 Valid, 6998 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-02 20:48:39,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2403 states. [2022-11-02 20:48:39,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2403 to 1207. [2022-11-02 20:48:39,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1207 states, 1206 states have (on average 1.4958540630182422) internal successors, (1804), 1206 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:39,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1804 transitions. [2022-11-02 20:48:39,123 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1804 transitions. Word has length 9 [2022-11-02 20:48:39,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:48:39,124 INFO L495 AbstractCegarLoop]: Abstraction has 1207 states and 1804 transitions. [2022-11-02 20:48:39,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:39,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1804 transitions. [2022-11-02 20:48:39,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1207 [2022-11-02 20:48:39,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:39,210 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:39,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:39,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:48:39,427 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:39,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:39,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1244611217, now seen corresponding path program 1 times [2022-11-02 20:48:39,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:48:39,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [414311605] [2022-11-02 20:48:39,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:39,449 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:48:39,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:48:39,450 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:48:39,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-02 20:48:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:44,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 10616 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:48:44,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:48:44,886 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:44,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:48:44,887 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:48:44,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [414311605] [2022-11-02 20:48:44,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [414311605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:44,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:48:44,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:48:44,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053365954] [2022-11-02 20:48:44,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:44,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:48:44,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:48:44,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:48:44,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:48:44,897 INFO L87 Difference]: Start difference. First operand 1207 states and 1804 transitions. Second operand has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:45,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:45,276 INFO L93 Difference]: Finished difference Result 4795 states and 7180 transitions. [2022-11-02 20:48:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:48:45,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 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 1206 [2022-11-02 20:48:45,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:48:45,289 INFO L225 Difference]: With dead ends: 4795 [2022-11-02 20:48:45,289 INFO L226 Difference]: Without dead ends: 3596 [2022-11-02 20:48:45,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1206 GetRequests, 1203 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:48:45,302 INFO L413 NwaCegarLoop]: 1771 mSDtfsCounter, 5361 mSDsluCounter, 5307 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5361 SdHoareTripleChecker+Valid, 7078 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:48:45,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5361 Valid, 7078 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:48:45,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3596 states. [2022-11-02 20:48:45,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3596 to 1209. [2022-11-02 20:48:45,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 1208 states have (on average 1.4950331125827814) internal successors, (1806), 1208 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:45,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1806 transitions. [2022-11-02 20:48:45,341 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1806 transitions. Word has length 1206 [2022-11-02 20:48:45,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:48:45,342 INFO L495 AbstractCegarLoop]: Abstraction has 1209 states and 1806 transitions. [2022-11-02 20:48:45,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:45,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1806 transitions. [2022-11-02 20:48:45,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1207 [2022-11-02 20:48:45,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:45,357 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:45,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:45,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:48:45,579 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:45,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:45,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1856971377, now seen corresponding path program 1 times [2022-11-02 20:48:45,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:48:45,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [740691640] [2022-11-02 20:48:45,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:45,590 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:48:45,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:48:45,592 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:48:45,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-02 20:48:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:50,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 10616 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:48:50,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:48:50,640 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:50,641 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:48:50,641 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:48:50,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [740691640] [2022-11-02 20:48:50,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [740691640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:50,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:48:50,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:48:50,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874349480] [2022-11-02 20:48:50,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:50,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:48:50,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:48:50,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:48:50,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:48:50,653 INFO L87 Difference]: Start difference. First operand 1209 states and 1806 transitions. Second operand has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:51,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:51,036 INFO L93 Difference]: Finished difference Result 4795 states and 7179 transitions. [2022-11-02 20:48:51,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:48:51,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 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 1206 [2022-11-02 20:48:51,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:48:51,049 INFO L225 Difference]: With dead ends: 4795 [2022-11-02 20:48:51,049 INFO L226 Difference]: Without dead ends: 3596 [2022-11-02 20:48:51,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1206 GetRequests, 1203 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:48:51,053 INFO L413 NwaCegarLoop]: 1773 mSDtfsCounter, 5355 mSDsluCounter, 5304 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5355 SdHoareTripleChecker+Valid, 7077 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:48:51,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5355 Valid, 7077 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:48:51,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3596 states. [2022-11-02 20:48:51,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3596 to 1211. [2022-11-02 20:48:51,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1210 states have (on average 1.4942148760330578) internal successors, (1808), 1210 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:51,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1808 transitions. [2022-11-02 20:48:51,093 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1808 transitions. Word has length 1206 [2022-11-02 20:48:51,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:48:51,094 INFO L495 AbstractCegarLoop]: Abstraction has 1211 states and 1808 transitions. [2022-11-02 20:48:51,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:51,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1808 transitions. [2022-11-02 20:48:51,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1207 [2022-11-02 20:48:51,108 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:51,109 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:51,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:51,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:48:51,335 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:51,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:51,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1098457101, now seen corresponding path program 1 times [2022-11-02 20:48:51,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:48:51,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1147696486] [2022-11-02 20:48:51,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:51,343 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:48:51,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:48:51,344 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:48:51,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-02 20:48:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 10616 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:48:56,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:48:56,081 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:56,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:48:56,082 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:48:56,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1147696486] [2022-11-02 20:48:56,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1147696486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:56,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:48:56,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:48:56,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103617059] [2022-11-02 20:48:56,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:56,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:48:56,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:48:56,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:48:56,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:48:56,086 INFO L87 Difference]: Start difference. First operand 1211 states and 1808 transitions. Second operand has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:56,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:56,446 INFO L93 Difference]: Finished difference Result 4795 states and 7178 transitions. [2022-11-02 20:48:56,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:48:56,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 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 1206 [2022-11-02 20:48:56,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:48:56,457 INFO L225 Difference]: With dead ends: 4795 [2022-11-02 20:48:56,458 INFO L226 Difference]: Without dead ends: 3596 [2022-11-02 20:48:56,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1206 GetRequests, 1203 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:48:56,462 INFO L413 NwaCegarLoop]: 1775 mSDtfsCounter, 5349 mSDsluCounter, 5301 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5349 SdHoareTripleChecker+Valid, 7076 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:48:56,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5349 Valid, 7076 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:48:56,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3596 states. [2022-11-02 20:48:56,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3596 to 1213. [2022-11-02 20:48:56,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1213 states, 1212 states have (on average 1.4933993399339933) internal successors, (1810), 1212 states have internal predecessors, (1810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:56,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1810 transitions. [2022-11-02 20:48:56,504 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1810 transitions. Word has length 1206 [2022-11-02 20:48:56,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:48:56,505 INFO L495 AbstractCegarLoop]: Abstraction has 1213 states and 1810 transitions. [2022-11-02 20:48:56,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:56,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1810 transitions. [2022-11-02 20:48:56,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1207 [2022-11-02 20:48:56,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:56,519 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:56,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:56,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:48:56,733 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:56,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:56,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1825838581, now seen corresponding path program 1 times [2022-11-02 20:48:56,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:48:56,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429092581] [2022-11-02 20:48:56,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:56,746 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:48:56,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:48:56,747 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:48:56,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-02 20:49:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:01,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 10616 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:49:01,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:49:01,596 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:49:01,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:49:01,596 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:49:01,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429092581] [2022-11-02 20:49:01,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429092581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:49:01,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:49:01,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:49:01,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101767470] [2022-11-02 20:49:01,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:49:01,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:49:01,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:49:01,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:49:01,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:49:01,601 INFO L87 Difference]: Start difference. First operand 1213 states and 1810 transitions. Second operand has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:49:01,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:49:01,953 INFO L93 Difference]: Finished difference Result 4795 states and 7177 transitions. [2022-11-02 20:49:01,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:49:01,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 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 1206 [2022-11-02 20:49:01,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:49:01,966 INFO L225 Difference]: With dead ends: 4795 [2022-11-02 20:49:01,966 INFO L226 Difference]: Without dead ends: 3596 [2022-11-02 20:49:01,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1206 GetRequests, 1203 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:49:01,971 INFO L413 NwaCegarLoop]: 1783 mSDtfsCounter, 5333 mSDsluCounter, 5292 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5333 SdHoareTripleChecker+Valid, 7075 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:49:01,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5333 Valid, 7075 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:49:01,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3596 states. [2022-11-02 20:49:02,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3596 to 1219. [2022-11-02 20:49:02,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 1218 states have (on average 1.4926108374384237) internal successors, (1818), 1218 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:49:02,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1818 transitions. [2022-11-02 20:49:02,011 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1818 transitions. Word has length 1206 [2022-11-02 20:49:02,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:49:02,011 INFO L495 AbstractCegarLoop]: Abstraction has 1219 states and 1818 transitions. [2022-11-02 20:49:02,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:49:02,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1818 transitions. [2022-11-02 20:49:02,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1207 [2022-11-02 20:49:02,027 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:49:02,028 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:49:02,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:49:02,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:49:02,251 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:49:02,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:02,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1387951479, now seen corresponding path program 1 times [2022-11-02 20:49:02,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:49:02,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1927438933] [2022-11-02 20:49:02,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:02,263 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:49:02,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:49:02,264 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:49:02,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-02 20:49:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:06,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 10616 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:49:06,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:49:07,082 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:49:07,082 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:49:07,083 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:49:07,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1927438933] [2022-11-02 20:49:07,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1927438933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:49:07,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:49:07,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:49:07,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225975087] [2022-11-02 20:49:07,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:49:07,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:49:07,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:49:07,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:49:07,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:49:07,087 INFO L87 Difference]: Start difference. First operand 1219 states and 1818 transitions. Second operand has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:49:07,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:49:07,660 INFO L93 Difference]: Finished difference Result 2427 states and 3627 transitions. [2022-11-02 20:49:07,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:49:07,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 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 1206 [2022-11-02 20:49:07,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:49:07,665 INFO L225 Difference]: With dead ends: 2427 [2022-11-02 20:49:07,665 INFO L226 Difference]: Without dead ends: 1228 [2022-11-02 20:49:07,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1206 GetRequests, 1203 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:49:07,668 INFO L413 NwaCegarLoop]: 1713 mSDtfsCounter, 3563 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3563 SdHoareTripleChecker+Valid, 1747 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:49:07,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3563 Valid, 1747 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 20:49:07,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2022-11-02 20:49:07,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1219. [2022-11-02 20:49:07,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 1218 states have (on average 1.4917898193760262) internal successors, (1817), 1218 states have internal predecessors, (1817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:49:07,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1817 transitions. [2022-11-02 20:49:07,692 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1817 transitions. Word has length 1206 [2022-11-02 20:49:07,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:49:07,692 INFO L495 AbstractCegarLoop]: Abstraction has 1219 states and 1817 transitions. [2022-11-02 20:49:07,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:49:07,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1817 transitions. [2022-11-02 20:49:07,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1207 [2022-11-02 20:49:07,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:49:07,707 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:49:07,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:49:07,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:49:07,931 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:49:07,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:07,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1709698937, now seen corresponding path program 1 times [2022-11-02 20:49:07,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:49:07,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [279713231] [2022-11-02 20:49:07,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:07,942 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:49:07,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:49:07,944 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:49:07,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-02 20:49:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:12,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 10616 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:49:12,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:49:12,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:49:12,625 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:49:12,625 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:49:12,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [279713231] [2022-11-02 20:49:12,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [279713231] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:49:12,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:49:12,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:49:12,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545314853] [2022-11-02 20:49:12,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:49:12,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:49:12,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:49:12,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:49:12,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:49:12,630 INFO L87 Difference]: Start difference. First operand 1219 states and 1817 transitions. Second operand has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:49:13,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:49:13,178 INFO L93 Difference]: Finished difference Result 2431 states and 3630 transitions. [2022-11-02 20:49:13,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:49:13,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 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 1206 [2022-11-02 20:49:13,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:49:13,182 INFO L225 Difference]: With dead ends: 2431 [2022-11-02 20:49:13,182 INFO L226 Difference]: Without dead ends: 1232 [2022-11-02 20:49:13,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1206 GetRequests, 1203 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:49:13,194 INFO L413 NwaCegarLoop]: 1716 mSDtfsCounter, 3557 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3557 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:49:13,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3557 Valid, 1754 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 20:49:13,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2022-11-02 20:49:13,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 1219. [2022-11-02 20:49:13,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 1218 states have (on average 1.4909688013136289) internal successors, (1816), 1218 states have internal predecessors, (1816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:49:13,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1816 transitions. [2022-11-02 20:49:13,221 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1816 transitions. Word has length 1206 [2022-11-02 20:49:13,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:49:13,223 INFO L495 AbstractCegarLoop]: Abstraction has 1219 states and 1816 transitions. [2022-11-02 20:49:13,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:49:13,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1816 transitions. [2022-11-02 20:49:13,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1207 [2022-11-02 20:49:13,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:49:13,237 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:49:13,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:49:13,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:49:13,463 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:49:13,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:13,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1286161797, now seen corresponding path program 1 times [2022-11-02 20:49:13,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:49:13,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1831403645] [2022-11-02 20:49:13,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:13,474 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:49:13,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:49:13,475 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:49:13,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-02 20:49:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:18,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 10616 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:49:18,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:49:18,167 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:49:18,167 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:49:18,167 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:49:18,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1831403645] [2022-11-02 20:49:18,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1831403645] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:49:18,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:49:18,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:49:18,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001678254] [2022-11-02 20:49:18,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:49:18,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:49:18,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:49:18,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:49:18,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:49:18,171 INFO L87 Difference]: Start difference. First operand 1219 states and 1816 transitions. Second operand has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:49:18,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:49:18,492 INFO L93 Difference]: Finished difference Result 4795 states and 7168 transitions. [2022-11-02 20:49:18,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:49:18,494 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 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 1206 [2022-11-02 20:49:18,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:49:18,500 INFO L225 Difference]: With dead ends: 4795 [2022-11-02 20:49:18,501 INFO L226 Difference]: Without dead ends: 3596 [2022-11-02 20:49:18,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1206 GetRequests, 1203 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:49:18,504 INFO L413 NwaCegarLoop]: 1805 mSDtfsCounter, 5283 mSDsluCounter, 5261 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5283 SdHoareTripleChecker+Valid, 7066 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:49:18,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5283 Valid, 7066 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:49:18,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3596 states. [2022-11-02 20:49:18,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3596 to 1237. [2022-11-02 20:49:18,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1237 states, 1236 states have (on average 1.4886731391585761) internal successors, (1840), 1236 states have internal predecessors, (1840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:49:18,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1237 states and 1840 transitions. [2022-11-02 20:49:18,541 INFO L78 Accepts]: Start accepts. Automaton has 1237 states and 1840 transitions. Word has length 1206 [2022-11-02 20:49:18,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:49:18,542 INFO L495 AbstractCegarLoop]: Abstraction has 1237 states and 1840 transitions. [2022-11-02 20:49:18,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:49:18,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1840 transitions. [2022-11-02 20:49:18,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1207 [2022-11-02 20:49:18,554 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:49:18,555 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:49:18,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:49:18,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:49:18,779 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:49:18,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:18,779 INFO L85 PathProgramCache]: Analyzing trace with hash -363374979, now seen corresponding path program 1 times [2022-11-02 20:49:18,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:49:18,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300844408] [2022-11-02 20:49:18,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:18,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:49:18,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:49:18,787 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:49:18,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6d69ed-c8ca-48b9-a24f-60639e33c860/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process