./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.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_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/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_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/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_7b46d696-6ed3-4b35-acdf-d588b84061b4/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 df7f37b318c8d1f9d7b6d8bdd6b9d05156ce656d1a634258cfc85f6ce0601b19 --- 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 20:34:46,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:34:46,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:34:46,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:34:46,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:34:46,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:34:46,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:34:46,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:34:46,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:34:46,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:34:46,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:34:46,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:34:46,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:34:46,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:34:46,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:34:46,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:34:46,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:34:46,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:34:46,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:34:46,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:34:46,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:34:46,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:34:46,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:34:46,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:34:46,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:34:46,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:34:46,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:34:46,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:34:46,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:34:46,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:34:46,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:34:46,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:34:46,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:34:46,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:34:46,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:34:46,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:34:46,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:34:46,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:34:46,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:34:46,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:34:46,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:34:46,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:34:46,517 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:34:46,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:34:46,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:34:46,519 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:34:46,520 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:34:46,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:34:46,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:34:46,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:34:46,522 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:34:46,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:34:46,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:34:46,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:34:46,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:34:46,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:34:46,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:34:46,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:34:46,527 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:34:46,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:34:46,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:34:46,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:34:46,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:34:46,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:34:46,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:34:46,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:34:46,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:34:46,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:34:46,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:34:46,530 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:34:46,531 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:34:46,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:34:46,531 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_7b46d696-6ed3-4b35-acdf-d588b84061b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df7f37b318c8d1f9d7b6d8bdd6b9d05156ce656d1a634258cfc85f6ce0601b19 [2022-11-02 20:34:46,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:34:46,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:34:46,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:34:46,993 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:34:46,994 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:34:46,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c [2022-11-02 20:34:47,085 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/data/cf4f27127/a7bf93d3227d49769a9db08d4857a19a/FLAG91ddf6859 [2022-11-02 20:34:47,765 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:34:47,766 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c [2022-11-02 20:34:47,779 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/data/cf4f27127/a7bf93d3227d49769a9db08d4857a19a/FLAG91ddf6859 [2022-11-02 20:34:47,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/data/cf4f27127/a7bf93d3227d49769a9db08d4857a19a [2022-11-02 20:34:47,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:34:47,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:34:47,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:34:47,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:34:48,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:34:48,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:34:47" (1/1) ... [2022-11-02 20:34:48,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9154c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:48, skipping insertion in model container [2022-11-02 20:34:48,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:34:47" (1/1) ... [2022-11-02 20:34:48,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:34:48,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:34:48,318 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_7b46d696-6ed3-4b35-acdf-d588b84061b4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c[1132,1145] [2022-11-02 20:34:48,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:34:48,684 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:34:48,702 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_7b46d696-6ed3-4b35-acdf-d588b84061b4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c[1132,1145] [2022-11-02 20:34:48,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:34:48,842 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:34:48,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:48 WrapperNode [2022-11-02 20:34:48,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:34:48,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:34:48,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:34:48,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:34:48,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:48" (1/1) ... [2022-11-02 20:34:48,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:48" (1/1) ... [2022-11-02 20:34:49,095 INFO L138 Inliner]: procedures = 11, calls = 5, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 735 [2022-11-02 20:34:49,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:34:49,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:34:49,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:34:49,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:34:49,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:48" (1/1) ... [2022-11-02 20:34:49,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:48" (1/1) ... [2022-11-02 20:34:49,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:48" (1/1) ... [2022-11-02 20:34:49,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:48" (1/1) ... [2022-11-02 20:34:49,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:48" (1/1) ... [2022-11-02 20:34:49,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:48" (1/1) ... [2022-11-02 20:34:49,219 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:48" (1/1) ... [2022-11-02 20:34:49,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:48" (1/1) ... [2022-11-02 20:34:49,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:34:49,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:34:49,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:34:49,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:34:49,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:48" (1/1) ... [2022-11-02 20:34:49,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:34:49,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:34:49,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:34:49,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:34:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:34:49,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:34:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:34:49,368 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:34:49,668 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:34:49,671 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:34:52,484 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:34:52,492 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:34:52,492 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:34:52,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:34:52 BoogieIcfgContainer [2022-11-02 20:34:52,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:34:52,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:34:52,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:34:52,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:34:52,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:34:47" (1/3) ... [2022-11-02 20:34:52,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:34:52, skipping insertion in model container [2022-11-02 20:34:52,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:48" (2/3) ... [2022-11-02 20:34:52,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:34:52, skipping insertion in model container [2022-11-02 20:34:52,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:34:52" (3/3) ... [2022-11-02 20:34:52,504 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c [2022-11-02 20:34:52,524 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:34:52,525 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:34:52,575 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:34:52,582 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;@36bc8e12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:34:52,582 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:34:52,587 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 62 states have (on average 1.467741935483871) internal successors, (91), 63 states have internal predecessors, (91), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:34:52,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-02 20:34:52,595 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:52,596 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] [2022-11-02 20:34:52,597 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:52,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:52,602 INFO L85 PathProgramCache]: Analyzing trace with hash -450479395, now seen corresponding path program 1 times [2022-11-02 20:34:52,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:52,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178257124] [2022-11-02 20:34:52,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:52,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:53,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:34:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:53,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-02 20:34:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:53,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-02 20:34:53,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:53,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178257124] [2022-11-02 20:34:53,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178257124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:34:53,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:34:53,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:34:53,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689167203] [2022-11-02 20:34:53,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:34:53,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:34:53,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:53,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:34:53,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:34:53,248 INFO L87 Difference]: Start difference. First operand has 67 states, 62 states have (on average 1.467741935483871) internal successors, (91), 63 states have internal predecessors, (91), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:34:53,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:53,311 INFO L93 Difference]: Finished difference Result 128 states and 187 transitions. [2022-11-02 20:34:53,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:34:53,314 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2022-11-02 20:34:53,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:53,323 INFO L225 Difference]: With dead ends: 128 [2022-11-02 20:34:53,323 INFO L226 Difference]: Without dead ends: 63 [2022-11-02 20:34:53,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:34:53,336 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:53,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:34:53,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-02 20:34:53,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-02 20:34:53,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 59 states have (on average 1.423728813559322) internal successors, (84), 59 states have internal predecessors, (84), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:34:53,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 88 transitions. [2022-11-02 20:34:53,391 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 88 transitions. Word has length 23 [2022-11-02 20:34:53,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:53,392 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 88 transitions. [2022-11-02 20:34:53,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:34:53,393 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2022-11-02 20:34:53,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-02 20:34:53,395 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:53,395 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] [2022-11-02 20:34:53,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:34:53,396 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:53,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:53,405 INFO L85 PathProgramCache]: Analyzing trace with hash 2108508633, now seen corresponding path program 1 times [2022-11-02 20:34:53,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:53,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558541028] [2022-11-02 20:34:53,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:53,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:01,399 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:35:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:07,580 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:35:07,581 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 20:35:07,583 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:35:07,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:35:07,590 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-02 20:35:07,594 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:35:07,707 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-02 20:35:07,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:35:07 BoogieIcfgContainer [2022-11-02 20:35:07,753 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:35:07,755 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:35:07,755 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:35:07,756 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:35:07,757 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:34:52" (3/4) ... [2022-11-02 20:35:07,760 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:35:07,761 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:35:07,763 INFO L158 Benchmark]: Toolchain (without parser) took 19770.95ms. Allocated memory was 94.4MB in the beginning and 509.6MB in the end (delta: 415.2MB). Free memory was 56.5MB in the beginning and 201.1MB in the end (delta: -144.7MB). Peak memory consumption was 269.6MB. Max. memory is 16.1GB. [2022-11-02 20:35:07,764 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 94.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:35:07,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 849.79ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 49.7MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:35:07,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 247.50ms. Allocated memory is still 94.4MB. Free memory was 49.7MB in the beginning and 63.0MB in the end (delta: -13.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-11-02 20:35:07,771 INFO L158 Benchmark]: Boogie Preprocessor took 167.89ms. Allocated memory is still 94.4MB. Free memory was 63.0MB in the beginning and 55.3MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:35:07,771 INFO L158 Benchmark]: RCFGBuilder took 3229.44ms. Allocated memory was 94.4MB in the beginning and 188.7MB in the end (delta: 94.4MB). Free memory was 55.3MB in the beginning and 113.5MB in the end (delta: -58.2MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. [2022-11-02 20:35:07,772 INFO L158 Benchmark]: TraceAbstraction took 15257.83ms. Allocated memory was 188.7MB in the beginning and 509.6MB in the end (delta: 320.9MB). Free memory was 112.5MB in the beginning and 201.1MB in the end (delta: -88.6MB). Peak memory consumption was 266.1MB. Max. memory is 16.1GB. [2022-11-02 20:35:07,772 INFO L158 Benchmark]: Witness Printer took 5.53ms. Allocated memory is still 509.6MB. Free memory is still 201.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:35:07,779 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 94.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 849.79ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 49.7MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 247.50ms. Allocated memory is still 94.4MB. Free memory was 49.7MB in the beginning and 63.0MB in the end (delta: -13.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 167.89ms. Allocated memory is still 94.4MB. Free memory was 63.0MB in the beginning and 55.3MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3229.44ms. Allocated memory was 94.4MB in the beginning and 188.7MB in the end (delta: 94.4MB). Free memory was 55.3MB in the beginning and 113.5MB in the end (delta: -58.2MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. * TraceAbstraction took 15257.83ms. Allocated memory was 188.7MB in the beginning and 509.6MB in the end (delta: 320.9MB). Free memory was 112.5MB in the beginning and 201.1MB in the end (delta: -88.6MB). Peak memory consumption was 266.1MB. Max. memory is 16.1GB. * Witness Printer took 5.53ms. Allocated memory is still 509.6MB. Free memory is still 201.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 320, overapproximation of bitwiseAnd at line 437, overapproximation of bitwiseComplement at line 432, overapproximation of bitwiseXOr at line 424. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 31); [L29] const SORT_9 msb_SORT_9 = (SORT_9)1 << (31 - 1); [L31] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 16); [L32] const SORT_11 msb_SORT_11 = (SORT_11)1 << (16 - 1); [L34] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 3); [L35] const SORT_12 msb_SORT_12 = (SORT_12)1 << (3 - 1); [L37] const SORT_15 mask_SORT_15 = (SORT_15)-1 >> (sizeof(SORT_15) * 8 - 4); [L38] const SORT_15 msb_SORT_15 = (SORT_15)1 << (4 - 1); [L40] const SORT_17 mask_SORT_17 = (SORT_17)-1 >> (sizeof(SORT_17) * 8 - 5); [L41] const SORT_17 msb_SORT_17 = (SORT_17)1 << (5 - 1); [L43] const SORT_19 mask_SORT_19 = (SORT_19)-1 >> (sizeof(SORT_19) * 8 - 6); [L44] const SORT_19 msb_SORT_19 = (SORT_19)1 << (6 - 1); [L46] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 7); [L47] const SORT_21 msb_SORT_21 = (SORT_21)1 << (7 - 1); [L49] const SORT_23 mask_SORT_23 = (SORT_23)-1 >> (sizeof(SORT_23) * 8 - 8); [L50] const SORT_23 msb_SORT_23 = (SORT_23)1 << (8 - 1); [L52] const SORT_25 mask_SORT_25 = (SORT_25)-1 >> (sizeof(SORT_25) * 8 - 9); [L53] const SORT_25 msb_SORT_25 = (SORT_25)1 << (9 - 1); [L55] const SORT_27 mask_SORT_27 = (SORT_27)-1 >> (sizeof(SORT_27) * 8 - 10); [L56] const SORT_27 msb_SORT_27 = (SORT_27)1 << (10 - 1); [L58] const SORT_29 mask_SORT_29 = (SORT_29)-1 >> (sizeof(SORT_29) * 8 - 11); [L59] const SORT_29 msb_SORT_29 = (SORT_29)1 << (11 - 1); [L61] const SORT_31 mask_SORT_31 = (SORT_31)-1 >> (sizeof(SORT_31) * 8 - 12); [L62] const SORT_31 msb_SORT_31 = (SORT_31)1 << (12 - 1); [L64] const SORT_33 mask_SORT_33 = (SORT_33)-1 >> (sizeof(SORT_33) * 8 - 13); [L65] const SORT_33 msb_SORT_33 = (SORT_33)1 << (13 - 1); [L67] const SORT_35 mask_SORT_35 = (SORT_35)-1 >> (sizeof(SORT_35) * 8 - 14); [L68] const SORT_35 msb_SORT_35 = (SORT_35)1 << (14 - 1); [L70] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 15); [L71] const SORT_37 msb_SORT_37 = (SORT_37)1 << (15 - 1); [L73] const SORT_62 mask_SORT_62 = (SORT_62)-1 >> (sizeof(SORT_62) * 8 - 32); [L74] const SORT_62 msb_SORT_62 = (SORT_62)1 << (32 - 1); [L76] const SORT_65 mask_SORT_65 = (SORT_65)-1 >> (sizeof(SORT_65) * 8 - 17); [L77] const SORT_65 msb_SORT_65 = (SORT_65)1 << (17 - 1); [L79] const SORT_68 mask_SORT_68 = (SORT_68)-1 >> (sizeof(SORT_68) * 8 - 18); [L80] const SORT_68 msb_SORT_68 = (SORT_68)1 << (18 - 1); [L82] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 19); [L83] const SORT_71 msb_SORT_71 = (SORT_71)1 << (19 - 1); [L85] const SORT_74 mask_SORT_74 = (SORT_74)-1 >> (sizeof(SORT_74) * 8 - 20); [L86] const SORT_74 msb_SORT_74 = (SORT_74)1 << (20 - 1); [L88] const SORT_77 mask_SORT_77 = (SORT_77)-1 >> (sizeof(SORT_77) * 8 - 21); [L89] const SORT_77 msb_SORT_77 = (SORT_77)1 << (21 - 1); [L91] const SORT_80 mask_SORT_80 = (SORT_80)-1 >> (sizeof(SORT_80) * 8 - 22); [L92] const SORT_80 msb_SORT_80 = (SORT_80)1 << (22 - 1); [L94] const SORT_83 mask_SORT_83 = (SORT_83)-1 >> (sizeof(SORT_83) * 8 - 23); [L95] const SORT_83 msb_SORT_83 = (SORT_83)1 << (23 - 1); [L97] const SORT_86 mask_SORT_86 = (SORT_86)-1 >> (sizeof(SORT_86) * 8 - 24); [L98] const SORT_86 msb_SORT_86 = (SORT_86)1 << (24 - 1); [L100] const SORT_89 mask_SORT_89 = (SORT_89)-1 >> (sizeof(SORT_89) * 8 - 25); [L101] const SORT_89 msb_SORT_89 = (SORT_89)1 << (25 - 1); [L103] const SORT_92 mask_SORT_92 = (SORT_92)-1 >> (sizeof(SORT_92) * 8 - 26); [L104] const SORT_92 msb_SORT_92 = (SORT_92)1 << (26 - 1); [L106] const SORT_95 mask_SORT_95 = (SORT_95)-1 >> (sizeof(SORT_95) * 8 - 27); [L107] const SORT_95 msb_SORT_95 = (SORT_95)1 << (27 - 1); [L109] const SORT_98 mask_SORT_98 = (SORT_98)-1 >> (sizeof(SORT_98) * 8 - 28); [L110] const SORT_98 msb_SORT_98 = (SORT_98)1 << (28 - 1); [L112] const SORT_101 mask_SORT_101 = (SORT_101)-1 >> (sizeof(SORT_101) * 8 - 29); [L113] const SORT_101 msb_SORT_101 = (SORT_101)1 << (29 - 1); [L115] const SORT_104 mask_SORT_104 = (SORT_104)-1 >> (sizeof(SORT_104) * 8 - 30); [L116] const SORT_104 msb_SORT_104 = (SORT_104)1 << (30 - 1); [L118] const SORT_153 mask_SORT_153 = (SORT_153)-1 >> (sizeof(SORT_153) * 8 - 2); [L119] const SORT_153 msb_SORT_153 = (SORT_153)1 << (2 - 1); [L121] const SORT_1 var_7 = 0; [L122] const SORT_1 var_8 = 1; [L123] const SORT_9 var_10 = 0; [L124] const SORT_12 var_13 = 4; [L125] const SORT_12 var_114 = 5; [L126] const SORT_11 var_116 = 0; [L127] const SORT_11 var_150 = 64; [L128] const SORT_153 var_154 = 1; [L129] const SORT_23 var_189 = 127; [L130] const SORT_11 var_197 = 1; [L131] const SORT_11 var_199 = 127; [L132] const SORT_12 var_247 = 6; [L133] const SORT_15 var_251 = 9; [L134] const SORT_21 var_269 = 64; [L135] const SORT_12 var_282 = 0; [L136] const SORT_15 var_285 = 0; [L138] SORT_1 input_2; [L139] SORT_1 input_3; [L140] SORT_1 input_4; [L142] SORT_1 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] SORT_11 state_56 = __VERIFIER_nondet_ushort() & mask_SORT_11; [L145] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] SORT_11 state_117 = __VERIFIER_nondet_ushort() & mask_SORT_11; [L147] SORT_15 state_137 = __VERIFIER_nondet_uchar() & mask_SORT_15; [L148] SORT_15 state_140 = __VERIFIER_nondet_uchar() & mask_SORT_15; [L149] SORT_11 state_144 = __VERIFIER_nondet_ushort() & mask_SORT_11; [L151] SORT_11 init_118_arg_1 = var_116; [L152] state_117 = init_118_arg_1 VAL [init_118_arg_1=0, mask_SORT_1=1, mask_SORT_101=4294967295, mask_SORT_104=4294967295, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_15=15, mask_SORT_153=3, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=4294967295, mask_SORT_65=4294967295, mask_SORT_68=4294967295, mask_SORT_71=4294967295, mask_SORT_74=4294967295, mask_SORT_77=4294967295, mask_SORT_80=4294967295, mask_SORT_83=4294967295, mask_SORT_86=4294967295, mask_SORT_89=4294967295, mask_SORT_9=4294967295, mask_SORT_92=4294967295, mask_SORT_95=4294967295, mask_SORT_98=4294967295, msb_SORT_1=1, msb_SORT_101=268435456, msb_SORT_104=536870912, msb_SORT_11=32768, msb_SORT_12=4, msb_SORT_15=8, msb_SORT_153=2, msb_SORT_17=16, msb_SORT_19=32, msb_SORT_21=64, msb_SORT_23=128, msb_SORT_25=256, msb_SORT_27=512, msb_SORT_29=1024, msb_SORT_31=2048, msb_SORT_33=4096, msb_SORT_35=8192, msb_SORT_37=16384, msb_SORT_62=2147483648, msb_SORT_65=65536, msb_SORT_68=131072, msb_SORT_71=262144, msb_SORT_74=524288, msb_SORT_77=1048576, msb_SORT_80=2097152, msb_SORT_83=4194304, msb_SORT_86=8388608, msb_SORT_89=16777216, msb_SORT_9=1073741824, msb_SORT_92=33554432, msb_SORT_95=67108864, msb_SORT_98=134217728, state_117=0, state_137=1, state_140=0, state_144=1, state_40=1, state_5=0, state_56=1, state_58=1, var_10=0, var_114=5, var_116=0, var_13=4, var_150=64, var_154=1, var_189=127, var_197=1, var_199=127, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L155] input_2 = __VERIFIER_nondet_uchar() [L156] input_3 = __VERIFIER_nondet_uchar() [L157] input_3 = input_3 & mask_SORT_1 [L158] input_4 = __VERIFIER_nondet_uchar() [L159] input_4 = input_4 & mask_SORT_1 [L161] SORT_1 var_125_arg_0 = state_5; [L162] SORT_1 var_125 = ~var_125_arg_0; [L163] SORT_1 var_126_arg_0 = var_125; [L164] SORT_1 var_126 = ~var_126_arg_0; [L165] SORT_1 var_127_arg_0 = state_5; [L166] SORT_1 var_127_arg_1 = var_126; [L167] SORT_1 var_127 = var_127_arg_0 | var_127_arg_1; [L168] var_127 = var_127 & mask_SORT_1 [L169] SORT_1 constr_128_arg_0 = var_127; VAL [constr_128_arg_0=1, init_118_arg_1=0, input_2=5, input_3=0, input_4=0, mask_SORT_1=1, mask_SORT_101=4294967295, mask_SORT_104=4294967295, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_15=15, mask_SORT_153=3, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=4294967295, mask_SORT_65=4294967295, mask_SORT_68=4294967295, mask_SORT_71=4294967295, mask_SORT_74=4294967295, mask_SORT_77=4294967295, mask_SORT_80=4294967295, mask_SORT_83=4294967295, mask_SORT_86=4294967295, mask_SORT_89=4294967295, mask_SORT_9=4294967295, mask_SORT_92=4294967295, mask_SORT_95=4294967295, mask_SORT_98=4294967295, msb_SORT_1=1, msb_SORT_101=268435456, msb_SORT_104=536870912, msb_SORT_11=32768, msb_SORT_12=4, msb_SORT_15=8, msb_SORT_153=2, msb_SORT_17=16, msb_SORT_19=32, msb_SORT_21=64, msb_SORT_23=128, msb_SORT_25=256, msb_SORT_27=512, msb_SORT_29=1024, msb_SORT_31=2048, msb_SORT_33=4096, msb_SORT_35=8192, msb_SORT_37=16384, msb_SORT_62=2147483648, msb_SORT_65=65536, msb_SORT_68=131072, msb_SORT_71=262144, msb_SORT_74=524288, msb_SORT_77=1048576, msb_SORT_80=2097152, msb_SORT_83=4194304, msb_SORT_86=8388608, msb_SORT_89=16777216, msb_SORT_9=1073741824, msb_SORT_92=33554432, msb_SORT_95=67108864, msb_SORT_98=134217728, state_117=0, state_137=1, state_140=0, state_144=1, state_40=1, state_5=0, state_56=1, state_58=1, var_10=0, var_114=5, var_116=0, var_125=6, var_125_arg_0=0, var_126=2, var_126_arg_0=6, var_127=1, var_127_arg_0=0, var_127_arg_1=2, var_13=4, var_150=64, var_154=1, var_189=127, var_197=1, var_199=127, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L170] CALL assume_abort_if_not(constr_128_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L170] RET assume_abort_if_not(constr_128_arg_0) VAL [constr_128_arg_0=1, init_118_arg_1=0, input_2=5, input_3=0, input_4=0, mask_SORT_1=1, mask_SORT_101=4294967295, mask_SORT_104=4294967295, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_15=15, mask_SORT_153=3, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=4294967295, mask_SORT_65=4294967295, mask_SORT_68=4294967295, mask_SORT_71=4294967295, mask_SORT_74=4294967295, mask_SORT_77=4294967295, mask_SORT_80=4294967295, mask_SORT_83=4294967295, mask_SORT_86=4294967295, mask_SORT_89=4294967295, mask_SORT_9=4294967295, mask_SORT_92=4294967295, mask_SORT_95=4294967295, mask_SORT_98=4294967295, msb_SORT_1=1, msb_SORT_101=268435456, msb_SORT_104=536870912, msb_SORT_11=32768, msb_SORT_12=4, msb_SORT_15=8, msb_SORT_153=2, msb_SORT_17=16, msb_SORT_19=32, msb_SORT_21=64, msb_SORT_23=128, msb_SORT_25=256, msb_SORT_27=512, msb_SORT_29=1024, msb_SORT_31=2048, msb_SORT_33=4096, msb_SORT_35=8192, msb_SORT_37=16384, msb_SORT_62=2147483648, msb_SORT_65=65536, msb_SORT_68=131072, msb_SORT_71=262144, msb_SORT_74=524288, msb_SORT_77=1048576, msb_SORT_80=2097152, msb_SORT_83=4194304, msb_SORT_86=8388608, msb_SORT_89=16777216, msb_SORT_9=1073741824, msb_SORT_92=33554432, msb_SORT_95=67108864, msb_SORT_98=134217728, state_117=0, state_137=1, state_140=0, state_144=1, state_40=1, state_5=0, state_56=1, state_58=1, var_10=0, var_114=5, var_116=0, var_125=6, var_125_arg_0=0, var_126=2, var_126_arg_0=6, var_127=1, var_127_arg_0=0, var_127_arg_1=2, var_13=4, var_150=64, var_154=1, var_189=127, var_197=1, var_199=127, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L171] SORT_1 var_129_arg_0 = var_8; [L172] var_129_arg_0 = var_129_arg_0 & mask_SORT_1 [L173] SORT_11 var_129 = var_129_arg_0; [L174] SORT_11 var_130_arg_0 = state_117; [L175] SORT_11 var_130_arg_1 = var_129; [L176] SORT_1 var_130 = var_130_arg_0 <= var_130_arg_1; [L177] SORT_1 var_131_arg_0 = input_4; [L178] SORT_1 var_131_arg_1 = var_130; [L179] SORT_1 var_131 = var_131_arg_0 ^ var_131_arg_1; [L180] SORT_1 var_132_arg_0 = var_131; [L181] SORT_1 var_132 = ~var_132_arg_0; [L182] SORT_1 var_133_arg_0 = var_131; [L183] SORT_1 var_133 = ~var_133_arg_0; [L184] SORT_1 var_134_arg_0 = var_132; [L185] SORT_1 var_134_arg_1 = var_133; [L186] SORT_1 var_134 = var_134_arg_0 | var_134_arg_1; [L187] var_134 = var_134 & mask_SORT_1 [L188] SORT_1 constr_135_arg_0 = var_134; VAL [constr_128_arg_0=1, constr_135_arg_0=1, init_118_arg_1=0, input_2=5, input_3=0, input_4=0, mask_SORT_1=1, mask_SORT_101=4294967295, mask_SORT_104=4294967295, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_15=15, mask_SORT_153=3, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=4294967295, mask_SORT_65=4294967295, mask_SORT_68=4294967295, mask_SORT_71=4294967295, mask_SORT_74=4294967295, mask_SORT_77=4294967295, mask_SORT_80=4294967295, mask_SORT_83=4294967295, mask_SORT_86=4294967295, mask_SORT_89=4294967295, mask_SORT_9=4294967295, mask_SORT_92=4294967295, mask_SORT_95=4294967295, mask_SORT_98=4294967295, msb_SORT_1=1, msb_SORT_101=268435456, msb_SORT_104=536870912, msb_SORT_11=32768, msb_SORT_12=4, msb_SORT_15=8, msb_SORT_153=2, msb_SORT_17=16, msb_SORT_19=32, msb_SORT_21=64, msb_SORT_23=128, msb_SORT_25=256, msb_SORT_27=512, msb_SORT_29=1024, msb_SORT_31=2048, msb_SORT_33=4096, msb_SORT_35=8192, msb_SORT_37=16384, msb_SORT_62=2147483648, msb_SORT_65=65536, msb_SORT_68=131072, msb_SORT_71=262144, msb_SORT_74=524288, msb_SORT_77=1048576, msb_SORT_80=2097152, msb_SORT_83=4194304, msb_SORT_86=8388608, msb_SORT_89=16777216, msb_SORT_9=1073741824, msb_SORT_92=33554432, msb_SORT_95=67108864, msb_SORT_98=134217728, state_117=0, state_137=1, state_140=0, state_144=1, state_40=1, state_5=0, state_56=1, state_58=1, var_10=0, var_114=5, var_116=0, var_125=6, var_125_arg_0=0, var_126=2, var_126_arg_0=6, var_127=1, var_127_arg_0=0, var_127_arg_1=2, var_129=1, var_129_arg_0=1, var_13=4, var_130=1, var_130_arg_0=0, var_130_arg_1=1, var_131=1, var_131_arg_0=0, var_131_arg_1=1, var_132=0, var_132_arg_0=1, var_133=9, var_133_arg_0=1, var_134=1, var_134_arg_0=0, var_134_arg_1=9, var_150=64, var_154=1, var_189=127, var_197=1, var_199=127, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L189] CALL assume_abort_if_not(constr_135_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L189] RET assume_abort_if_not(constr_135_arg_0) VAL [constr_128_arg_0=1, constr_135_arg_0=1, init_118_arg_1=0, input_2=5, input_3=0, input_4=0, mask_SORT_1=1, mask_SORT_101=4294967295, mask_SORT_104=4294967295, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_15=15, mask_SORT_153=3, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=4294967295, mask_SORT_65=4294967295, mask_SORT_68=4294967295, mask_SORT_71=4294967295, mask_SORT_74=4294967295, mask_SORT_77=4294967295, mask_SORT_80=4294967295, mask_SORT_83=4294967295, mask_SORT_86=4294967295, mask_SORT_89=4294967295, mask_SORT_9=4294967295, mask_SORT_92=4294967295, mask_SORT_95=4294967295, mask_SORT_98=4294967295, msb_SORT_1=1, msb_SORT_101=268435456, msb_SORT_104=536870912, msb_SORT_11=32768, msb_SORT_12=4, msb_SORT_15=8, msb_SORT_153=2, msb_SORT_17=16, msb_SORT_19=32, msb_SORT_21=64, msb_SORT_23=128, msb_SORT_25=256, msb_SORT_27=512, msb_SORT_29=1024, msb_SORT_31=2048, msb_SORT_33=4096, msb_SORT_35=8192, msb_SORT_37=16384, msb_SORT_62=2147483648, msb_SORT_65=65536, msb_SORT_68=131072, msb_SORT_71=262144, msb_SORT_74=524288, msb_SORT_77=1048576, msb_SORT_80=2097152, msb_SORT_83=4194304, msb_SORT_86=8388608, msb_SORT_89=16777216, msb_SORT_9=1073741824, msb_SORT_92=33554432, msb_SORT_95=67108864, msb_SORT_98=134217728, state_117=0, state_137=1, state_140=0, state_144=1, state_40=1, state_5=0, state_56=1, state_58=1, var_10=0, var_114=5, var_116=0, var_125=6, var_125_arg_0=0, var_126=2, var_126_arg_0=6, var_127=1, var_127_arg_0=0, var_127_arg_1=2, var_129=1, var_129_arg_0=1, var_13=4, var_130=1, var_130_arg_0=0, var_130_arg_1=1, var_131=1, var_131_arg_0=0, var_131_arg_1=1, var_132=0, var_132_arg_0=1, var_133=9, var_133_arg_0=1, var_134=1, var_134_arg_0=0, var_134_arg_1=9, var_150=64, var_154=1, var_189=127, var_197=1, var_199=127, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L191] SORT_12 var_115_arg_0 = var_114; [L192] var_115_arg_0 = var_115_arg_0 & mask_SORT_12 [L193] SORT_11 var_115 = var_115_arg_0; [L194] SORT_11 var_119_arg_0 = var_115; [L195] SORT_11 var_119_arg_1 = state_117; [L196] SORT_1 var_119 = var_119_arg_0 < var_119_arg_1; [L197] SORT_1 var_14_arg_0 = input_3; [L198] SORT_1 var_14 = ~var_14_arg_0; [L199] SORT_1 var_16_arg_0 = var_14; [L200] SORT_12 var_16_arg_1 = var_13; [L201] SORT_15 var_16 = ((SORT_15)var_16_arg_0 << 3) | var_16_arg_1; [L202] var_16 = var_16 & mask_SORT_15 [L203] SORT_1 var_18_arg_0 = input_3; [L204] SORT_15 var_18_arg_1 = var_16; [L205] SORT_17 var_18 = ((SORT_17)var_18_arg_0 << 4) | var_18_arg_1; [L206] var_18 = var_18 & mask_SORT_17 [L207] SORT_1 var_20_arg_0 = input_3; [L208] SORT_17 var_20_arg_1 = var_18; [L209] SORT_19 var_20 = ((SORT_19)var_20_arg_0 << 5) | var_20_arg_1; [L210] var_20 = var_20 & mask_SORT_19 [L211] SORT_1 var_22_arg_0 = input_3; [L212] SORT_19 var_22_arg_1 = var_20; [L213] SORT_21 var_22 = ((SORT_21)var_22_arg_0 << 6) | var_22_arg_1; [L214] var_22 = var_22 & mask_SORT_21 [L215] SORT_1 var_24_arg_0 = input_3; [L216] SORT_21 var_24_arg_1 = var_22; [L217] SORT_23 var_24 = ((SORT_23)var_24_arg_0 << 7) | var_24_arg_1; [L218] var_24 = var_24 & mask_SORT_23 [L219] SORT_1 var_26_arg_0 = input_3; [L220] SORT_23 var_26_arg_1 = var_24; [L221] SORT_25 var_26 = ((SORT_25)var_26_arg_0 << 8) | var_26_arg_1; [L222] var_26 = var_26 & mask_SORT_25 [L223] SORT_1 var_28_arg_0 = var_14; [L224] SORT_25 var_28_arg_1 = var_26; [L225] SORT_27 var_28 = ((SORT_27)var_28_arg_0 << 9) | var_28_arg_1; [L226] var_28 = var_28 & mask_SORT_27 [L227] SORT_1 var_30_arg_0 = var_14; [L228] SORT_27 var_30_arg_1 = var_28; [L229] SORT_29 var_30 = ((SORT_29)var_30_arg_0 << 10) | var_30_arg_1; [L230] var_30 = var_30 & mask_SORT_29 [L231] SORT_1 var_32_arg_0 = var_14; [L232] SORT_29 var_32_arg_1 = var_30; [L233] SORT_31 var_32 = ((SORT_31)var_32_arg_0 << 11) | var_32_arg_1; [L234] var_32 = var_32 & mask_SORT_31 [L235] SORT_1 var_34_arg_0 = var_14; [L236] SORT_31 var_34_arg_1 = var_32; [L237] SORT_33 var_34 = ((SORT_33)var_34_arg_0 << 12) | var_34_arg_1; [L238] var_34 = var_34 & mask_SORT_33 [L239] SORT_1 var_36_arg_0 = var_14; [L240] SORT_33 var_36_arg_1 = var_34; [L241] SORT_35 var_36 = ((SORT_35)var_36_arg_0 << 13) | var_36_arg_1; [L242] var_36 = var_36 & mask_SORT_35 [L243] SORT_1 var_38_arg_0 = var_14; [L244] SORT_35 var_38_arg_1 = var_36; [L245] SORT_37 var_38 = ((SORT_37)var_38_arg_0 << 14) | var_38_arg_1; [L246] var_38 = var_38 & mask_SORT_37 [L247] SORT_1 var_39_arg_0 = var_14; [L248] SORT_37 var_39_arg_1 = var_38; [L249] SORT_11 var_39 = ((SORT_11)var_39_arg_0 << 15) | var_39_arg_1; [L250] SORT_1 var_41_arg_0 = state_40; [L251] SORT_1 var_41 = ~var_41_arg_0; [L252] SORT_1 var_42_arg_0 = state_40; [L253] SORT_12 var_42_arg_1 = var_13; [L254] SORT_15 var_42 = ((SORT_15)var_42_arg_0 << 3) | var_42_arg_1; [L255] var_42 = var_42 & mask_SORT_15 [L256] SORT_1 var_43_arg_0 = var_41; [L257] SORT_15 var_43_arg_1 = var_42; [L258] SORT_17 var_43 = ((SORT_17)var_43_arg_0 << 4) | var_43_arg_1; [L259] var_43 = var_43 & mask_SORT_17 [L260] SORT_1 var_44_arg_0 = state_40; [L261] SORT_17 var_44_arg_1 = var_43; [L262] SORT_19 var_44 = ((SORT_19)var_44_arg_0 << 5) | var_44_arg_1; [L263] var_44 = var_44 & mask_SORT_19 [L264] SORT_1 var_45_arg_0 = var_41; [L265] SORT_19 var_45_arg_1 = var_44; [L266] SORT_21 var_45 = ((SORT_21)var_45_arg_0 << 6) | var_45_arg_1; [L267] var_45 = var_45 & mask_SORT_21 [L268] SORT_1 var_46_arg_0 = var_41; [L269] SORT_21 var_46_arg_1 = var_45; [L270] SORT_23 var_46 = ((SORT_23)var_46_arg_0 << 7) | var_46_arg_1; [L271] var_46 = var_46 & mask_SORT_23 [L272] SORT_1 var_47_arg_0 = state_40; [L273] SORT_23 var_47_arg_1 = var_46; [L274] SORT_25 var_47 = ((SORT_25)var_47_arg_0 << 8) | var_47_arg_1; [L275] var_47 = var_47 & mask_SORT_25 [L276] SORT_1 var_48_arg_0 = var_41; [L277] SORT_25 var_48_arg_1 = var_47; [L278] SORT_27 var_48 = ((SORT_27)var_48_arg_0 << 9) | var_48_arg_1; [L279] var_48 = var_48 & mask_SORT_27 [L280] SORT_1 var_49_arg_0 = var_41; [L281] SORT_27 var_49_arg_1 = var_48; [L282] SORT_29 var_49 = ((SORT_29)var_49_arg_0 << 10) | var_49_arg_1; [L283] var_49 = var_49 & mask_SORT_29 [L284] SORT_1 var_50_arg_0 = var_41; [L285] SORT_29 var_50_arg_1 = var_49; [L286] SORT_31 var_50 = ((SORT_31)var_50_arg_0 << 11) | var_50_arg_1; [L287] var_50 = var_50 & mask_SORT_31 [L288] SORT_1 var_51_arg_0 = var_41; [L289] SORT_31 var_51_arg_1 = var_50; [L290] SORT_33 var_51 = ((SORT_33)var_51_arg_0 << 12) | var_51_arg_1; [L291] var_51 = var_51 & mask_SORT_33 [L292] SORT_1 var_52_arg_0 = var_41; [L293] SORT_33 var_52_arg_1 = var_51; [L294] SORT_35 var_52 = ((SORT_35)var_52_arg_0 << 13) | var_52_arg_1; [L295] var_52 = var_52 & mask_SORT_35 [L296] SORT_1 var_53_arg_0 = var_41; [L297] SORT_35 var_53_arg_1 = var_52; [L298] SORT_37 var_53 = ((SORT_37)var_53_arg_0 << 14) | var_53_arg_1; [L299] var_53 = var_53 & mask_SORT_37 [L300] SORT_1 var_54_arg_0 = var_41; [L301] SORT_37 var_54_arg_1 = var_53; [L302] SORT_11 var_54 = ((SORT_11)var_54_arg_0 << 15) | var_54_arg_1; [L303] SORT_11 var_55_arg_0 = var_39; [L304] SORT_11 var_55_arg_1 = var_54; [L305] SORT_11 var_55 = var_55_arg_0 + var_55_arg_1; [L306] SORT_11 var_57_arg_0 = state_56; [L307] SORT_11 var_57 = -var_57_arg_0; [L308] SORT_1 var_59_arg_0 = state_58; [L309] SORT_11 var_59_arg_1 = var_57; [L310] SORT_11 var_59_arg_2 = state_56; VAL [constr_128_arg_0=1, constr_135_arg_0=1, init_118_arg_1=0, input_2=5, input_3=0, input_4=0, mask_SORT_1=1, mask_SORT_101=4294967295, mask_SORT_104=4294967295, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_15=15, mask_SORT_153=3, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=4294967295, mask_SORT_65=4294967295, mask_SORT_68=4294967295, mask_SORT_71=4294967295, mask_SORT_74=4294967295, mask_SORT_77=4294967295, mask_SORT_80=4294967295, mask_SORT_83=4294967295, mask_SORT_86=4294967295, mask_SORT_89=4294967295, mask_SORT_9=4294967295, mask_SORT_92=4294967295, mask_SORT_95=4294967295, mask_SORT_98=4294967295, msb_SORT_1=1, msb_SORT_101=268435456, msb_SORT_104=536870912, msb_SORT_11=32768, msb_SORT_12=4, msb_SORT_15=8, msb_SORT_153=2, msb_SORT_17=16, msb_SORT_19=32, msb_SORT_21=64, msb_SORT_23=128, msb_SORT_25=256, msb_SORT_27=512, msb_SORT_29=1024, msb_SORT_31=2048, msb_SORT_33=4096, msb_SORT_35=8192, msb_SORT_37=16384, msb_SORT_62=2147483648, msb_SORT_65=65536, msb_SORT_68=131072, msb_SORT_71=262144, msb_SORT_74=524288, msb_SORT_77=1048576, msb_SORT_80=2097152, msb_SORT_83=4194304, msb_SORT_86=8388608, msb_SORT_89=16777216, msb_SORT_9=1073741824, msb_SORT_92=33554432, msb_SORT_95=67108864, msb_SORT_98=134217728, state_117=0, state_137=1, state_140=0, state_144=1, state_40=1, state_5=0, state_56=1, state_58=1, var_10=0, var_114=5, var_115=5, var_115_arg_0=5, var_116=0, var_119=0, var_119_arg_0=5, var_119_arg_1=0, var_125=6, var_125_arg_0=0, var_126=2, var_126_arg_0=6, var_127=1, var_127_arg_0=0, var_127_arg_1=2, var_129=1, var_129_arg_0=1, var_13=4, var_130=1, var_130_arg_0=0, var_130_arg_1=1, var_131=1, var_131_arg_0=0, var_131_arg_1=1, var_132=0, var_132_arg_0=1, var_133=9, var_133_arg_0=1, var_134=1, var_134_arg_0=0, var_134_arg_1=9, var_14=193, var_14_arg_0=0, var_150=64, var_154=1, var_16=8, var_16_arg_0=193, var_16_arg_1=4, var_18=255, var_189=127, var_18_arg_0=0, var_18_arg_1=8, var_197=1, var_199=127, var_20=1, var_20_arg_0=0, var_20_arg_1=255, var_22=1, var_22_arg_0=0, var_22_arg_1=1, var_24=1, var_247=6, var_24_arg_0=0, var_24_arg_1=1, var_251=9, var_26=1, var_269=64, var_26_arg_0=0, var_26_arg_1=1, var_28=0, var_282=0, var_285=0, var_28_arg_0=193, var_28_arg_1=1, var_30=0, var_30_arg_0=193, var_30_arg_1=0, var_32=1, var_32_arg_0=193, var_32_arg_1=0, var_34=1, var_34_arg_0=193, var_34_arg_1=1, var_36=1, var_36_arg_0=193, var_36_arg_1=1, var_38=1, var_38_arg_0=193, var_38_arg_1=1, var_39=65535, var_39_arg_0=193, var_39_arg_1=1, var_41=0, var_41_arg_0=1, var_42=0, var_42_arg_0=1, var_42_arg_1=4, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_44=13, var_44_arg_0=1, var_44_arg_1=0, var_45=0, var_45_arg_0=0, var_45_arg_1=13, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_47=2, var_47_arg_0=1, var_47_arg_1=0, var_48=65533, var_48_arg_0=0, var_48_arg_1=2, var_49=0, var_49_arg_0=0, var_49_arg_1=65533, var_50=0, var_50_arg_0=0, var_50_arg_1=0, var_51=0, var_51_arg_0=0, var_51_arg_1=0, var_52=0, var_52_arg_0=0, var_52_arg_1=0, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_54=0, var_54_arg_0=0, var_54_arg_1=0, var_55=65535, var_55_arg_0=65535, var_55_arg_1=0, var_57=65535, var_57_arg_0=1, var_59_arg_0=1, var_59_arg_1=65535, var_59_arg_2=1, var_7=0, var_8=1] [L311] EXPR var_59_arg_0 ? var_59_arg_1 : var_59_arg_2 VAL [constr_128_arg_0=1, constr_135_arg_0=1, init_118_arg_1=0, input_2=5, input_3=0, input_4=0, mask_SORT_1=1, mask_SORT_101=4294967295, mask_SORT_104=4294967295, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_15=15, mask_SORT_153=3, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=4294967295, mask_SORT_65=4294967295, mask_SORT_68=4294967295, mask_SORT_71=4294967295, mask_SORT_74=4294967295, mask_SORT_77=4294967295, mask_SORT_80=4294967295, mask_SORT_83=4294967295, mask_SORT_86=4294967295, mask_SORT_89=4294967295, mask_SORT_9=4294967295, mask_SORT_92=4294967295, mask_SORT_95=4294967295, mask_SORT_98=4294967295, msb_SORT_1=1, msb_SORT_101=268435456, msb_SORT_104=536870912, msb_SORT_11=32768, msb_SORT_12=4, msb_SORT_15=8, msb_SORT_153=2, msb_SORT_17=16, msb_SORT_19=32, msb_SORT_21=64, msb_SORT_23=128, msb_SORT_25=256, msb_SORT_27=512, msb_SORT_29=1024, msb_SORT_31=2048, msb_SORT_33=4096, msb_SORT_35=8192, msb_SORT_37=16384, msb_SORT_62=2147483648, msb_SORT_65=65536, msb_SORT_68=131072, msb_SORT_71=262144, msb_SORT_74=524288, msb_SORT_77=1048576, msb_SORT_80=2097152, msb_SORT_83=4194304, msb_SORT_86=8388608, msb_SORT_89=16777216, msb_SORT_9=1073741824, msb_SORT_92=33554432, msb_SORT_95=67108864, msb_SORT_98=134217728, state_117=0, state_137=1, state_140=0, state_144=1, state_40=1, state_5=0, state_56=1, state_58=1, var_10=0, var_114=5, var_115=5, var_115_arg_0=5, var_116=0, var_119=0, var_119_arg_0=5, var_119_arg_1=0, var_125=6, var_125_arg_0=0, var_126=2, var_126_arg_0=6, var_127=1, var_127_arg_0=0, var_127_arg_1=2, var_129=1, var_129_arg_0=1, var_13=4, var_130=1, var_130_arg_0=0, var_130_arg_1=1, var_131=1, var_131_arg_0=0, var_131_arg_1=1, var_132=0, var_132_arg_0=1, var_133=9, var_133_arg_0=1, var_134=1, var_134_arg_0=0, var_134_arg_1=9, var_14=193, var_14_arg_0=0, var_150=64, var_154=1, var_16=8, var_16_arg_0=193, var_16_arg_1=4, var_18=255, var_189=127, var_18_arg_0=0, var_18_arg_1=8, var_197=1, var_199=127, var_20=1, var_20_arg_0=0, var_20_arg_1=255, var_22=1, var_22_arg_0=0, var_22_arg_1=1, var_24=1, var_247=6, var_24_arg_0=0, var_24_arg_1=1, var_251=9, var_26=1, var_269=64, var_26_arg_0=0, var_26_arg_1=1, var_28=0, var_282=0, var_285=0, var_28_arg_0=193, var_28_arg_1=1, var_30=0, var_30_arg_0=193, var_30_arg_1=0, var_32=1, var_32_arg_0=193, var_32_arg_1=0, var_34=1, var_34_arg_0=193, var_34_arg_1=1, var_36=1, var_36_arg_0=193, var_36_arg_1=1, var_38=1, var_38_arg_0=193, var_38_arg_1=1, var_39=65535, var_39_arg_0=193, var_39_arg_1=1, var_41=0, var_41_arg_0=1, var_42=0, var_42_arg_0=1, var_42_arg_1=4, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_44=13, var_44_arg_0=1, var_44_arg_1=0, var_45=0, var_45_arg_0=0, var_45_arg_1=13, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_47=2, var_47_arg_0=1, var_47_arg_1=0, var_48=65533, var_48_arg_0=0, var_48_arg_1=2, var_49=0, var_49_arg_0=0, var_49_arg_1=65533, var_50=0, var_50_arg_0=0, var_50_arg_1=0, var_51=0, var_51_arg_0=0, var_51_arg_1=0, var_52=0, var_52_arg_0=0, var_52_arg_1=0, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_54=0, var_54_arg_0=0, var_54_arg_1=0, var_55=65535, var_55_arg_0=65535, var_55_arg_1=0, var_57=65535, var_57_arg_0=1, var_59_arg_0=1, var_59_arg_0 ? var_59_arg_1 : var_59_arg_2=65535, var_59_arg_1=65535, var_59_arg_2=1, var_7=0, var_8=1] [L311] SORT_11 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L312] SORT_11 var_60_arg_0 = var_55; [L313] SORT_11 var_60_arg_1 = var_59; [L314] SORT_11 var_60 = var_60_arg_0 + var_60_arg_1; [L315] var_60 = var_60 & mask_SORT_11 [L316] SORT_11 var_61_arg_0 = var_60; [L317] SORT_1 var_61 = var_61_arg_0 >> 15; [L318] SORT_1 var_63_arg_0 = var_61; [L319] SORT_9 var_63_arg_1 = var_10; [L320] SORT_62 var_63 = ((SORT_62)var_63_arg_0 << 31) | var_63_arg_1; [L321] var_63 = var_63 & mask_SORT_62 [L322] SORT_11 var_106_arg_0 = var_60; [L323] SORT_1 var_106 = var_106_arg_0 >> 15; [L324] SORT_11 var_103_arg_0 = var_60; [L325] SORT_1 var_103 = var_103_arg_0 >> 15; [L326] SORT_11 var_100_arg_0 = var_60; [L327] SORT_1 var_100 = var_100_arg_0 >> 15; [L328] SORT_11 var_97_arg_0 = var_60; [L329] SORT_1 var_97 = var_97_arg_0 >> 15; [L330] SORT_11 var_94_arg_0 = var_60; [L331] SORT_1 var_94 = var_94_arg_0 >> 15; [L332] SORT_11 var_91_arg_0 = var_60; [L333] SORT_1 var_91 = var_91_arg_0 >> 15; [L334] SORT_11 var_88_arg_0 = var_60; [L335] SORT_1 var_88 = var_88_arg_0 >> 15; [L336] SORT_11 var_85_arg_0 = var_60; [L337] SORT_1 var_85 = var_85_arg_0 >> 15; [L338] SORT_11 var_82_arg_0 = var_60; [L339] SORT_1 var_82 = var_82_arg_0 >> 15; [L340] SORT_11 var_79_arg_0 = var_60; [L341] SORT_1 var_79 = var_79_arg_0 >> 15; [L342] SORT_11 var_76_arg_0 = var_60; [L343] SORT_1 var_76 = var_76_arg_0 >> 15; [L344] SORT_11 var_73_arg_0 = var_60; [L345] SORT_1 var_73 = var_73_arg_0 >> 15; [L346] SORT_11 var_70_arg_0 = var_60; [L347] SORT_1 var_70 = var_70_arg_0 >> 15; [L348] SORT_11 var_67_arg_0 = var_60; [L349] SORT_1 var_67 = var_67_arg_0 >> 15; [L350] SORT_11 var_64_arg_0 = var_60; [L351] SORT_1 var_64 = var_64_arg_0 >> 15; [L352] SORT_1 var_66_arg_0 = var_64; [L353] SORT_11 var_66_arg_1 = var_60; [L354] SORT_65 var_66 = ((SORT_65)var_66_arg_0 << 16) | var_66_arg_1; [L355] var_66 = var_66 & mask_SORT_65 [L356] SORT_1 var_69_arg_0 = var_67; [L357] SORT_65 var_69_arg_1 = var_66; [L358] SORT_68 var_69 = ((SORT_68)var_69_arg_0 << 17) | var_69_arg_1; [L359] var_69 = var_69 & mask_SORT_68 [L360] SORT_1 var_72_arg_0 = var_70; [L361] SORT_68 var_72_arg_1 = var_69; [L362] SORT_71 var_72 = ((SORT_71)var_72_arg_0 << 18) | var_72_arg_1; [L363] var_72 = var_72 & mask_SORT_71 [L364] SORT_1 var_75_arg_0 = var_73; [L365] SORT_71 var_75_arg_1 = var_72; [L366] SORT_74 var_75 = ((SORT_74)var_75_arg_0 << 19) | var_75_arg_1; [L367] var_75 = var_75 & mask_SORT_74 [L368] SORT_1 var_78_arg_0 = var_76; [L369] SORT_74 var_78_arg_1 = var_75; [L370] SORT_77 var_78 = ((SORT_77)var_78_arg_0 << 20) | var_78_arg_1; [L371] var_78 = var_78 & mask_SORT_77 [L372] SORT_1 var_81_arg_0 = var_79; [L373] SORT_77 var_81_arg_1 = var_78; [L374] SORT_80 var_81 = ((SORT_80)var_81_arg_0 << 21) | var_81_arg_1; [L375] var_81 = var_81 & mask_SORT_80 [L376] SORT_1 var_84_arg_0 = var_82; [L377] SORT_80 var_84_arg_1 = var_81; [L378] SORT_83 var_84 = ((SORT_83)var_84_arg_0 << 22) | var_84_arg_1; [L379] var_84 = var_84 & mask_SORT_83 [L380] SORT_1 var_87_arg_0 = var_85; [L381] SORT_83 var_87_arg_1 = var_84; [L382] SORT_86 var_87 = ((SORT_86)var_87_arg_0 << 23) | var_87_arg_1; [L383] var_87 = var_87 & mask_SORT_86 [L384] SORT_1 var_90_arg_0 = var_88; [L385] SORT_86 var_90_arg_1 = var_87; [L386] SORT_89 var_90 = ((SORT_89)var_90_arg_0 << 24) | var_90_arg_1; [L387] var_90 = var_90 & mask_SORT_89 [L388] SORT_1 var_93_arg_0 = var_91; [L389] SORT_89 var_93_arg_1 = var_90; [L390] SORT_92 var_93 = ((SORT_92)var_93_arg_0 << 25) | var_93_arg_1; [L391] var_93 = var_93 & mask_SORT_92 [L392] SORT_1 var_96_arg_0 = var_94; [L393] SORT_92 var_96_arg_1 = var_93; [L394] SORT_95 var_96 = ((SORT_95)var_96_arg_0 << 26) | var_96_arg_1; [L395] var_96 = var_96 & mask_SORT_95 [L396] SORT_1 var_99_arg_0 = var_97; [L397] SORT_95 var_99_arg_1 = var_96; [L398] SORT_98 var_99 = ((SORT_98)var_99_arg_0 << 27) | var_99_arg_1; [L399] var_99 = var_99 & mask_SORT_98 [L400] SORT_1 var_102_arg_0 = var_100; [L401] SORT_98 var_102_arg_1 = var_99; [L402] SORT_101 var_102 = ((SORT_101)var_102_arg_0 << 28) | var_102_arg_1; [L403] var_102 = var_102 & mask_SORT_101 [L404] SORT_1 var_105_arg_0 = var_103; [L405] SORT_101 var_105_arg_1 = var_102; [L406] SORT_104 var_105 = ((SORT_104)var_105_arg_0 << 29) | var_105_arg_1; [L407] var_105 = var_105 & mask_SORT_104 [L408] SORT_1 var_107_arg_0 = var_106; [L409] SORT_104 var_107_arg_1 = var_105; [L410] SORT_9 var_107 = ((SORT_9)var_107_arg_0 << 30) | var_107_arg_1; [L411] SORT_9 var_108_arg_0 = var_107; [L412] var_108_arg_0 = var_108_arg_0 & mask_SORT_9 [L413] SORT_62 var_108 = var_108_arg_0; [L414] SORT_62 var_109_arg_0 = var_63; [L415] SORT_62 var_109_arg_1 = var_108; [L416] SORT_1 var_109 = var_109_arg_0 <= var_109_arg_1; [L417] SORT_1 var_110_arg_0 = var_109; [L418] SORT_1 var_110_arg_1 = var_8; [L419] SORT_1 var_110_arg_2 = var_7; VAL [constr_128_arg_0=1, constr_135_arg_0=1, init_118_arg_1=0, input_2=5, input_3=0, input_4=0, mask_SORT_1=1, mask_SORT_101=4294967295, mask_SORT_104=4294967295, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_15=15, mask_SORT_153=3, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=4294967295, mask_SORT_65=4294967295, mask_SORT_68=4294967295, mask_SORT_71=4294967295, mask_SORT_74=4294967295, mask_SORT_77=4294967295, mask_SORT_80=4294967295, mask_SORT_83=4294967295, mask_SORT_86=4294967295, mask_SORT_89=4294967295, mask_SORT_9=4294967295, mask_SORT_92=4294967295, mask_SORT_95=4294967295, mask_SORT_98=4294967295, msb_SORT_1=1, msb_SORT_101=268435456, msb_SORT_104=536870912, msb_SORT_11=32768, msb_SORT_12=4, msb_SORT_15=8, msb_SORT_153=2, msb_SORT_17=16, msb_SORT_19=32, msb_SORT_21=64, msb_SORT_23=128, msb_SORT_25=256, msb_SORT_27=512, msb_SORT_29=1024, msb_SORT_31=2048, msb_SORT_33=4096, msb_SORT_35=8192, msb_SORT_37=16384, msb_SORT_62=2147483648, msb_SORT_65=65536, msb_SORT_68=131072, msb_SORT_71=262144, msb_SORT_74=524288, msb_SORT_77=1048576, msb_SORT_80=2097152, msb_SORT_83=4194304, msb_SORT_86=8388608, msb_SORT_89=16777216, msb_SORT_9=1073741824, msb_SORT_92=33554432, msb_SORT_95=67108864, msb_SORT_98=134217728, state_117=0, state_137=1, state_140=0, state_144=1, state_40=1, state_5=0, state_56=1, state_58=1, var_10=0, var_100=0, var_100_arg_0=14, var_102=2147483652, var_102_arg_0=0, var_102_arg_1=4294967295, var_103=0, var_103_arg_0=14, var_105=3, var_105_arg_0=0, var_105_arg_1=2147483652, var_106=0, var_106_arg_0=14, var_107=1, var_107_arg_0=0, var_107_arg_1=3, var_108=1, var_108_arg_0=1, var_109=1, var_109_arg_0=0, var_109_arg_1=1, var_110_arg_0=1, var_110_arg_1=1, var_110_arg_2=0, var_114=5, var_115=5, var_115_arg_0=5, var_116=0, var_119=0, var_119_arg_0=5, var_119_arg_1=0, var_125=6, var_125_arg_0=0, var_126=2, var_126_arg_0=6, var_127=1, var_127_arg_0=0, var_127_arg_1=2, var_129=1, var_129_arg_0=1, var_13=4, var_130=1, var_130_arg_0=0, var_130_arg_1=1, var_131=1, var_131_arg_0=0, var_131_arg_1=1, var_132=0, var_132_arg_0=1, var_133=9, var_133_arg_0=1, var_134=1, var_134_arg_0=0, var_134_arg_1=9, var_14=193, var_14_arg_0=0, var_150=64, var_154=1, var_16=8, var_16_arg_0=193, var_16_arg_1=4, var_18=255, var_189=127, var_18_arg_0=0, var_18_arg_1=8, var_197=1, var_199=127, var_20=1, var_20_arg_0=0, var_20_arg_1=255, var_22=1, var_22_arg_0=0, var_22_arg_1=1, var_24=1, var_247=6, var_24_arg_0=0, var_24_arg_1=1, var_251=9, var_26=1, var_269=64, var_26_arg_0=0, var_26_arg_1=1, var_28=0, var_282=0, var_285=0, var_28_arg_0=193, var_28_arg_1=1, var_30=0, var_30_arg_0=193, var_30_arg_1=0, var_32=1, var_32_arg_0=193, var_32_arg_1=0, var_34=1, var_34_arg_0=193, var_34_arg_1=1, var_36=1, var_36_arg_0=193, var_36_arg_1=1, var_38=1, var_38_arg_0=193, var_38_arg_1=1, var_39=65535, var_39_arg_0=193, var_39_arg_1=1, var_41=0, var_41_arg_0=1, var_42=0, var_42_arg_0=1, var_42_arg_1=4, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_44=13, var_44_arg_0=1, var_44_arg_1=0, var_45=0, var_45_arg_0=0, var_45_arg_1=13, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_47=2, var_47_arg_0=1, var_47_arg_1=0, var_48=65533, var_48_arg_0=0, var_48_arg_1=2, var_49=0, var_49_arg_0=0, var_49_arg_1=65533, var_50=0, var_50_arg_0=0, var_50_arg_1=0, var_51=0, var_51_arg_0=0, var_51_arg_1=0, var_52=0, var_52_arg_0=0, var_52_arg_1=0, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_54=0, var_54_arg_0=0, var_54_arg_1=0, var_55=65535, var_55_arg_0=65535, var_55_arg_1=0, var_57=65535, var_57_arg_0=1, var_59=65535, var_59_arg_0=1, var_59_arg_1=65535, var_59_arg_2=1, var_60=14, var_60_arg_0=65535, var_60_arg_1=65535, var_61=0, var_61_arg_0=14, var_63=0, var_63_arg_0=0, var_63_arg_1=0, var_64=0, var_64_arg_0=14, var_66=4294967290, var_66_arg_0=0, var_66_arg_1=14, var_67=0, var_67_arg_0=14, var_69=1, var_69_arg_0=0, var_69_arg_1=4294967290, var_7=0, var_70=0, var_70_arg_0=14, var_72=4294967292, var_72_arg_0=0, var_72_arg_1=1, var_73=0, var_73_arg_0=14, var_75=2147483650, var_75_arg_0=0, var_75_arg_1=4294967292, var_76=0, var_76_arg_0=14, var_78=2147483651, var_78_arg_0=0, var_78_arg_1=2147483650, var_79=0, var_79_arg_0=14, var_8=1, var_81=4294967294, var_81_arg_0=0, var_81_arg_1=2147483651, var_82=0, var_82_arg_0=14, var_84=4294967294, var_84_arg_0=0, var_84_arg_1=4294967294, var_85=0, var_85_arg_0=14, var_87=2147483649, var_87_arg_0=0, var_87_arg_1=4294967294, var_88=0, var_88_arg_0=14, var_90=2, var_90_arg_0=0, var_90_arg_1=2147483649, var_91=0, var_91_arg_0=14, var_93=2, var_93_arg_0=0, var_93_arg_1=2, var_94=0, var_94_arg_0=14, var_96=2, var_96_arg_0=0, var_96_arg_1=2, var_97=0, var_97_arg_0=14, var_99=4294967295, var_99_arg_0=0, var_99_arg_1=2] [L420] EXPR var_110_arg_0 ? var_110_arg_1 : var_110_arg_2 VAL [constr_128_arg_0=1, constr_135_arg_0=1, init_118_arg_1=0, input_2=5, input_3=0, input_4=0, mask_SORT_1=1, mask_SORT_101=4294967295, mask_SORT_104=4294967295, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_15=15, mask_SORT_153=3, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=4294967295, mask_SORT_65=4294967295, mask_SORT_68=4294967295, mask_SORT_71=4294967295, mask_SORT_74=4294967295, mask_SORT_77=4294967295, mask_SORT_80=4294967295, mask_SORT_83=4294967295, mask_SORT_86=4294967295, mask_SORT_89=4294967295, mask_SORT_9=4294967295, mask_SORT_92=4294967295, mask_SORT_95=4294967295, mask_SORT_98=4294967295, msb_SORT_1=1, msb_SORT_101=268435456, msb_SORT_104=536870912, msb_SORT_11=32768, msb_SORT_12=4, msb_SORT_15=8, msb_SORT_153=2, msb_SORT_17=16, msb_SORT_19=32, msb_SORT_21=64, msb_SORT_23=128, msb_SORT_25=256, msb_SORT_27=512, msb_SORT_29=1024, msb_SORT_31=2048, msb_SORT_33=4096, msb_SORT_35=8192, msb_SORT_37=16384, msb_SORT_62=2147483648, msb_SORT_65=65536, msb_SORT_68=131072, msb_SORT_71=262144, msb_SORT_74=524288, msb_SORT_77=1048576, msb_SORT_80=2097152, msb_SORT_83=4194304, msb_SORT_86=8388608, msb_SORT_89=16777216, msb_SORT_9=1073741824, msb_SORT_92=33554432, msb_SORT_95=67108864, msb_SORT_98=134217728, state_117=0, state_137=1, state_140=0, state_144=1, state_40=1, state_5=0, state_56=1, state_58=1, var_10=0, var_100=0, var_100_arg_0=14, var_102=2147483652, var_102_arg_0=0, var_102_arg_1=4294967295, var_103=0, var_103_arg_0=14, var_105=3, var_105_arg_0=0, var_105_arg_1=2147483652, var_106=0, var_106_arg_0=14, var_107=1, var_107_arg_0=0, var_107_arg_1=3, var_108=1, var_108_arg_0=1, var_109=1, var_109_arg_0=0, var_109_arg_1=1, var_110_arg_0=1, var_110_arg_0 ? var_110_arg_1 : var_110_arg_2=1, var_110_arg_1=1, var_110_arg_2=0, var_114=5, var_115=5, var_115_arg_0=5, var_116=0, var_119=0, var_119_arg_0=5, var_119_arg_1=0, var_125=6, var_125_arg_0=0, var_126=2, var_126_arg_0=6, var_127=1, var_127_arg_0=0, var_127_arg_1=2, var_129=1, var_129_arg_0=1, var_13=4, var_130=1, var_130_arg_0=0, var_130_arg_1=1, var_131=1, var_131_arg_0=0, var_131_arg_1=1, var_132=0, var_132_arg_0=1, var_133=9, var_133_arg_0=1, var_134=1, var_134_arg_0=0, var_134_arg_1=9, var_14=193, var_14_arg_0=0, var_150=64, var_154=1, var_16=8, var_16_arg_0=193, var_16_arg_1=4, var_18=255, var_189=127, var_18_arg_0=0, var_18_arg_1=8, var_197=1, var_199=127, var_20=1, var_20_arg_0=0, var_20_arg_1=255, var_22=1, var_22_arg_0=0, var_22_arg_1=1, var_24=1, var_247=6, var_24_arg_0=0, var_24_arg_1=1, var_251=9, var_26=1, var_269=64, var_26_arg_0=0, var_26_arg_1=1, var_28=0, var_282=0, var_285=0, var_28_arg_0=193, var_28_arg_1=1, var_30=0, var_30_arg_0=193, var_30_arg_1=0, var_32=1, var_32_arg_0=193, var_32_arg_1=0, var_34=1, var_34_arg_0=193, var_34_arg_1=1, var_36=1, var_36_arg_0=193, var_36_arg_1=1, var_38=1, var_38_arg_0=193, var_38_arg_1=1, var_39=65535, var_39_arg_0=193, var_39_arg_1=1, var_41=0, var_41_arg_0=1, var_42=0, var_42_arg_0=1, var_42_arg_1=4, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_44=13, var_44_arg_0=1, var_44_arg_1=0, var_45=0, var_45_arg_0=0, var_45_arg_1=13, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_47=2, var_47_arg_0=1, var_47_arg_1=0, var_48=65533, var_48_arg_0=0, var_48_arg_1=2, var_49=0, var_49_arg_0=0, var_49_arg_1=65533, var_50=0, var_50_arg_0=0, var_50_arg_1=0, var_51=0, var_51_arg_0=0, var_51_arg_1=0, var_52=0, var_52_arg_0=0, var_52_arg_1=0, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_54=0, var_54_arg_0=0, var_54_arg_1=0, var_55=65535, var_55_arg_0=65535, var_55_arg_1=0, var_57=65535, var_57_arg_0=1, var_59=65535, var_59_arg_0=1, var_59_arg_1=65535, var_59_arg_2=1, var_60=14, var_60_arg_0=65535, var_60_arg_1=65535, var_61=0, var_61_arg_0=14, var_63=0, var_63_arg_0=0, var_63_arg_1=0, var_64=0, var_64_arg_0=14, var_66=4294967290, var_66_arg_0=0, var_66_arg_1=14, var_67=0, var_67_arg_0=14, var_69=1, var_69_arg_0=0, var_69_arg_1=4294967290, var_7=0, var_70=0, var_70_arg_0=14, var_72=4294967292, var_72_arg_0=0, var_72_arg_1=1, var_73=0, var_73_arg_0=14, var_75=2147483650, var_75_arg_0=0, var_75_arg_1=4294967292, var_76=0, var_76_arg_0=14, var_78=2147483651, var_78_arg_0=0, var_78_arg_1=2147483650, var_79=0, var_79_arg_0=14, var_8=1, var_81=4294967294, var_81_arg_0=0, var_81_arg_1=2147483651, var_82=0, var_82_arg_0=14, var_84=4294967294, var_84_arg_0=0, var_84_arg_1=4294967294, var_85=0, var_85_arg_0=14, var_87=2147483649, var_87_arg_0=0, var_87_arg_1=4294967294, var_88=0, var_88_arg_0=14, var_90=2, var_90_arg_0=0, var_90_arg_1=2147483649, var_91=0, var_91_arg_0=14, var_93=2, var_93_arg_0=0, var_93_arg_1=2, var_94=0, var_94_arg_0=14, var_96=2, var_96_arg_0=0, var_96_arg_1=2, var_97=0, var_97_arg_0=14, var_99=4294967295, var_99_arg_0=0, var_99_arg_1=2] [L420] SORT_1 var_110 = var_110_arg_0 ? var_110_arg_1 : var_110_arg_2; [L421] var_110 = var_110 & mask_SORT_1 [L422] SORT_1 var_111_arg_0 = input_3; [L423] SORT_1 var_111_arg_1 = var_110; [L424] SORT_1 var_111 = var_111_arg_0 ^ var_111_arg_1; [L425] SORT_1 var_112_arg_0 = var_111; [L426] SORT_1 var_112 = ~var_112_arg_0; [L427] SORT_1 var_120_arg_0 = var_119; [L428] SORT_1 var_120_arg_1 = var_112; [L429] SORT_1 var_120_arg_2 = var_8; VAL [constr_128_arg_0=1, constr_135_arg_0=1, init_118_arg_1=0, input_2=5, input_3=0, input_4=0, mask_SORT_1=1, mask_SORT_101=4294967295, mask_SORT_104=4294967295, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_15=15, mask_SORT_153=3, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=4294967295, mask_SORT_65=4294967295, mask_SORT_68=4294967295, mask_SORT_71=4294967295, mask_SORT_74=4294967295, mask_SORT_77=4294967295, mask_SORT_80=4294967295, mask_SORT_83=4294967295, mask_SORT_86=4294967295, mask_SORT_89=4294967295, mask_SORT_9=4294967295, mask_SORT_92=4294967295, mask_SORT_95=4294967295, mask_SORT_98=4294967295, msb_SORT_1=1, msb_SORT_101=268435456, msb_SORT_104=536870912, msb_SORT_11=32768, msb_SORT_12=4, msb_SORT_15=8, msb_SORT_153=2, msb_SORT_17=16, msb_SORT_19=32, msb_SORT_21=64, msb_SORT_23=128, msb_SORT_25=256, msb_SORT_27=512, msb_SORT_29=1024, msb_SORT_31=2048, msb_SORT_33=4096, msb_SORT_35=8192, msb_SORT_37=16384, msb_SORT_62=2147483648, msb_SORT_65=65536, msb_SORT_68=131072, msb_SORT_71=262144, msb_SORT_74=524288, msb_SORT_77=1048576, msb_SORT_80=2097152, msb_SORT_83=4194304, msb_SORT_86=8388608, msb_SORT_89=16777216, msb_SORT_9=1073741824, msb_SORT_92=33554432, msb_SORT_95=67108864, msb_SORT_98=134217728, state_117=0, state_137=1, state_140=0, state_144=1, state_40=1, state_5=0, state_56=1, state_58=1, var_10=0, var_100=0, var_100_arg_0=14, var_102=2147483652, var_102_arg_0=0, var_102_arg_1=4294967295, var_103=0, var_103_arg_0=14, var_105=3, var_105_arg_0=0, var_105_arg_1=2147483652, var_106=0, var_106_arg_0=14, var_107=1, var_107_arg_0=0, var_107_arg_1=3, var_108=1, var_108_arg_0=1, var_109=1, var_109_arg_0=0, var_109_arg_1=1, var_110=1, var_110_arg_0=1, var_110_arg_1=1, var_110_arg_2=0, var_111=1, var_111_arg_0=0, var_111_arg_1=1, var_112=7, var_112_arg_0=1, var_114=5, var_115=5, var_115_arg_0=5, var_116=0, var_119=0, var_119_arg_0=5, var_119_arg_1=0, var_120_arg_0=0, var_120_arg_1=7, var_120_arg_2=1, var_125=6, var_125_arg_0=0, var_126=2, var_126_arg_0=6, var_127=1, var_127_arg_0=0, var_127_arg_1=2, var_129=1, var_129_arg_0=1, var_13=4, var_130=1, var_130_arg_0=0, var_130_arg_1=1, var_131=1, var_131_arg_0=0, var_131_arg_1=1, var_132=0, var_132_arg_0=1, var_133=9, var_133_arg_0=1, var_134=1, var_134_arg_0=0, var_134_arg_1=9, var_14=193, var_14_arg_0=0, var_150=64, var_154=1, var_16=8, var_16_arg_0=193, var_16_arg_1=4, var_18=255, var_189=127, var_18_arg_0=0, var_18_arg_1=8, var_197=1, var_199=127, var_20=1, var_20_arg_0=0, var_20_arg_1=255, var_22=1, var_22_arg_0=0, var_22_arg_1=1, var_24=1, var_247=6, var_24_arg_0=0, var_24_arg_1=1, var_251=9, var_26=1, var_269=64, var_26_arg_0=0, var_26_arg_1=1, var_28=0, var_282=0, var_285=0, var_28_arg_0=193, var_28_arg_1=1, var_30=0, var_30_arg_0=193, var_30_arg_1=0, var_32=1, var_32_arg_0=193, var_32_arg_1=0, var_34=1, var_34_arg_0=193, var_34_arg_1=1, var_36=1, var_36_arg_0=193, var_36_arg_1=1, var_38=1, var_38_arg_0=193, var_38_arg_1=1, var_39=65535, var_39_arg_0=193, var_39_arg_1=1, var_41=0, var_41_arg_0=1, var_42=0, var_42_arg_0=1, var_42_arg_1=4, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_44=13, var_44_arg_0=1, var_44_arg_1=0, var_45=0, var_45_arg_0=0, var_45_arg_1=13, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_47=2, var_47_arg_0=1, var_47_arg_1=0, var_48=65533, var_48_arg_0=0, var_48_arg_1=2, var_49=0, var_49_arg_0=0, var_49_arg_1=65533, var_50=0, var_50_arg_0=0, var_50_arg_1=0, var_51=0, var_51_arg_0=0, var_51_arg_1=0, var_52=0, var_52_arg_0=0, var_52_arg_1=0, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_54=0, var_54_arg_0=0, var_54_arg_1=0, var_55=65535, var_55_arg_0=65535, var_55_arg_1=0, var_57=65535, var_57_arg_0=1, var_59=65535, var_59_arg_0=1, var_59_arg_1=65535, var_59_arg_2=1, var_60=14, var_60_arg_0=65535, var_60_arg_1=65535, var_61=0, var_61_arg_0=14, var_63=0, var_63_arg_0=0, var_63_arg_1=0, var_64=0, var_64_arg_0=14, var_66=4294967290, var_66_arg_0=0, var_66_arg_1=14, var_67=0, var_67_arg_0=14, var_69=1, var_69_arg_0=0, var_69_arg_1=4294967290, var_7=0, var_70=0, var_70_arg_0=14, var_72=4294967292, var_72_arg_0=0, var_72_arg_1=1, var_73=0, var_73_arg_0=14, var_75=2147483650, var_75_arg_0=0, var_75_arg_1=4294967292, var_76=0, var_76_arg_0=14, var_78=2147483651, var_78_arg_0=0, var_78_arg_1=2147483650, var_79=0, var_79_arg_0=14, var_8=1, var_81=4294967294, var_81_arg_0=0, var_81_arg_1=2147483651, var_82=0, var_82_arg_0=14, var_84=4294967294, var_84_arg_0=0, var_84_arg_1=4294967294, var_85=0, var_85_arg_0=14, var_87=2147483649, var_87_arg_0=0, var_87_arg_1=4294967294, var_88=0, var_88_arg_0=14, var_90=2, var_90_arg_0=0, var_90_arg_1=2147483649, var_91=0, var_91_arg_0=14, var_93=2, var_93_arg_0=0, var_93_arg_1=2, var_94=0, var_94_arg_0=14, var_96=2, var_96_arg_0=0, var_96_arg_1=2, var_97=0, var_97_arg_0=14, var_99=4294967295, var_99_arg_0=0, var_99_arg_1=2] [L430] EXPR var_120_arg_0 ? var_120_arg_1 : var_120_arg_2 VAL [constr_128_arg_0=1, constr_135_arg_0=1, init_118_arg_1=0, input_2=5, input_3=0, input_4=0, mask_SORT_1=1, mask_SORT_101=4294967295, mask_SORT_104=4294967295, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_15=15, mask_SORT_153=3, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=4294967295, mask_SORT_65=4294967295, mask_SORT_68=4294967295, mask_SORT_71=4294967295, mask_SORT_74=4294967295, mask_SORT_77=4294967295, mask_SORT_80=4294967295, mask_SORT_83=4294967295, mask_SORT_86=4294967295, mask_SORT_89=4294967295, mask_SORT_9=4294967295, mask_SORT_92=4294967295, mask_SORT_95=4294967295, mask_SORT_98=4294967295, msb_SORT_1=1, msb_SORT_101=268435456, msb_SORT_104=536870912, msb_SORT_11=32768, msb_SORT_12=4, msb_SORT_15=8, msb_SORT_153=2, msb_SORT_17=16, msb_SORT_19=32, msb_SORT_21=64, msb_SORT_23=128, msb_SORT_25=256, msb_SORT_27=512, msb_SORT_29=1024, msb_SORT_31=2048, msb_SORT_33=4096, msb_SORT_35=8192, msb_SORT_37=16384, msb_SORT_62=2147483648, msb_SORT_65=65536, msb_SORT_68=131072, msb_SORT_71=262144, msb_SORT_74=524288, msb_SORT_77=1048576, msb_SORT_80=2097152, msb_SORT_83=4194304, msb_SORT_86=8388608, msb_SORT_89=16777216, msb_SORT_9=1073741824, msb_SORT_92=33554432, msb_SORT_95=67108864, msb_SORT_98=134217728, state_117=0, state_137=1, state_140=0, state_144=1, state_40=1, state_5=0, state_56=1, state_58=1, var_10=0, var_100=0, var_100_arg_0=14, var_102=2147483652, var_102_arg_0=0, var_102_arg_1=4294967295, var_103=0, var_103_arg_0=14, var_105=3, var_105_arg_0=0, var_105_arg_1=2147483652, var_106=0, var_106_arg_0=14, var_107=1, var_107_arg_0=0, var_107_arg_1=3, var_108=1, var_108_arg_0=1, var_109=1, var_109_arg_0=0, var_109_arg_1=1, var_110=1, var_110_arg_0=1, var_110_arg_1=1, var_110_arg_2=0, var_111=1, var_111_arg_0=0, var_111_arg_1=1, var_112=7, var_112_arg_0=1, var_114=5, var_115=5, var_115_arg_0=5, var_116=0, var_119=0, var_119_arg_0=5, var_119_arg_1=0, var_120_arg_0=0, var_120_arg_0 ? var_120_arg_1 : var_120_arg_2=1, var_120_arg_1=7, var_120_arg_2=1, var_125=6, var_125_arg_0=0, var_126=2, var_126_arg_0=6, var_127=1, var_127_arg_0=0, var_127_arg_1=2, var_129=1, var_129_arg_0=1, var_13=4, var_130=1, var_130_arg_0=0, var_130_arg_1=1, var_131=1, var_131_arg_0=0, var_131_arg_1=1, var_132=0, var_132_arg_0=1, var_133=9, var_133_arg_0=1, var_134=1, var_134_arg_0=0, var_134_arg_1=9, var_14=193, var_14_arg_0=0, var_150=64, var_154=1, var_16=8, var_16_arg_0=193, var_16_arg_1=4, var_18=255, var_189=127, var_18_arg_0=0, var_18_arg_1=8, var_197=1, var_199=127, var_20=1, var_20_arg_0=0, var_20_arg_1=255, var_22=1, var_22_arg_0=0, var_22_arg_1=1, var_24=1, var_247=6, var_24_arg_0=0, var_24_arg_1=1, var_251=9, var_26=1, var_269=64, var_26_arg_0=0, var_26_arg_1=1, var_28=0, var_282=0, var_285=0, var_28_arg_0=193, var_28_arg_1=1, var_30=0, var_30_arg_0=193, var_30_arg_1=0, var_32=1, var_32_arg_0=193, var_32_arg_1=0, var_34=1, var_34_arg_0=193, var_34_arg_1=1, var_36=1, var_36_arg_0=193, var_36_arg_1=1, var_38=1, var_38_arg_0=193, var_38_arg_1=1, var_39=65535, var_39_arg_0=193, var_39_arg_1=1, var_41=0, var_41_arg_0=1, var_42=0, var_42_arg_0=1, var_42_arg_1=4, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_44=13, var_44_arg_0=1, var_44_arg_1=0, var_45=0, var_45_arg_0=0, var_45_arg_1=13, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_47=2, var_47_arg_0=1, var_47_arg_1=0, var_48=65533, var_48_arg_0=0, var_48_arg_1=2, var_49=0, var_49_arg_0=0, var_49_arg_1=65533, var_50=0, var_50_arg_0=0, var_50_arg_1=0, var_51=0, var_51_arg_0=0, var_51_arg_1=0, var_52=0, var_52_arg_0=0, var_52_arg_1=0, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_54=0, var_54_arg_0=0, var_54_arg_1=0, var_55=65535, var_55_arg_0=65535, var_55_arg_1=0, var_57=65535, var_57_arg_0=1, var_59=65535, var_59_arg_0=1, var_59_arg_1=65535, var_59_arg_2=1, var_60=14, var_60_arg_0=65535, var_60_arg_1=65535, var_61=0, var_61_arg_0=14, var_63=0, var_63_arg_0=0, var_63_arg_1=0, var_64=0, var_64_arg_0=14, var_66=4294967290, var_66_arg_0=0, var_66_arg_1=14, var_67=0, var_67_arg_0=14, var_69=1, var_69_arg_0=0, var_69_arg_1=4294967290, var_7=0, var_70=0, var_70_arg_0=14, var_72=4294967292, var_72_arg_0=0, var_72_arg_1=1, var_73=0, var_73_arg_0=14, var_75=2147483650, var_75_arg_0=0, var_75_arg_1=4294967292, var_76=0, var_76_arg_0=14, var_78=2147483651, var_78_arg_0=0, var_78_arg_1=2147483650, var_79=0, var_79_arg_0=14, var_8=1, var_81=4294967294, var_81_arg_0=0, var_81_arg_1=2147483651, var_82=0, var_82_arg_0=14, var_84=4294967294, var_84_arg_0=0, var_84_arg_1=4294967294, var_85=0, var_85_arg_0=14, var_87=2147483649, var_87_arg_0=0, var_87_arg_1=4294967294, var_88=0, var_88_arg_0=14, var_90=2, var_90_arg_0=0, var_90_arg_1=2147483649, var_91=0, var_91_arg_0=14, var_93=2, var_93_arg_0=0, var_93_arg_1=2, var_94=0, var_94_arg_0=14, var_96=2, var_96_arg_0=0, var_96_arg_1=2, var_97=0, var_97_arg_0=14, var_99=4294967295, var_99_arg_0=0, var_99_arg_1=2] [L430] SORT_1 var_120 = var_120_arg_0 ? var_120_arg_1 : var_120_arg_2; [L431] SORT_1 var_121_arg_0 = var_120; [L432] SORT_1 var_121 = ~var_121_arg_0; [L433] SORT_1 var_122_arg_0 = var_120; [L434] SORT_1 var_122 = ~var_122_arg_0; [L435] SORT_1 var_123_arg_0 = var_121; [L436] SORT_1 var_123_arg_1 = var_122; [L437] SORT_1 var_123 = var_123_arg_0 & var_123_arg_1; [L438] var_123 = var_123 & mask_SORT_1 [L439] SORT_1 bad_124_arg_0 = var_123; [L440] CALL __VERIFIER_assert(!(bad_124_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 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.0s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 88 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 8.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 4/4 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 20:35:07,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/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_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/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_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/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_7b46d696-6ed3-4b35-acdf-d588b84061b4/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 df7f37b318c8d1f9d7b6d8bdd6b9d05156ce656d1a634258cfc85f6ce0601b19 --- 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 20:35:10,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:35:10,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:35:10,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:35:10,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:35:10,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:35:10,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:35:10,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:35:10,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:35:10,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:35:10,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:35:10,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:35:10,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:35:10,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:35:10,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:35:10,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:35:10,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:35:10,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:35:10,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:35:10,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:35:10,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:35:10,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:35:10,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:35:10,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:35:10,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:35:10,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:35:10,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:35:10,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:35:10,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:35:10,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:35:10,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:35:10,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:35:10,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:35:10,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:35:10,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:35:10,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:35:10,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:35:10,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:35:10,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:35:10,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:35:10,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:35:10,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-02 20:35:10,569 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:35:10,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:35:10,570 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:35:10,571 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:35:10,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:35:10,572 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:35:10,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:35:10,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:35:10,574 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:35:10,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:35:10,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:35:10,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:35:10,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:35:10,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:35:10,576 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 20:35:10,577 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 20:35:10,577 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 20:35:10,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:35:10,577 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:35:10,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:35:10,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:35:10,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:35:10,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:35:10,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:35:10,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:35:10,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:35:10,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:35:10,580 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 20:35:10,580 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 20:35:10,580 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:35:10,580 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:35:10,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:35:10,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 20:35:10,581 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_7b46d696-6ed3-4b35-acdf-d588b84061b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df7f37b318c8d1f9d7b6d8bdd6b9d05156ce656d1a634258cfc85f6ce0601b19 [2022-11-02 20:35:10,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:35:11,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:35:11,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:35:11,013 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:35:11,016 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:35:11,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c [2022-11-02 20:35:11,093 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/data/e5871fa3d/af0ea6dd85f84a25a8995fd205248e9f/FLAG2456b9f64 [2022-11-02 20:35:11,796 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:35:11,797 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c [2022-11-02 20:35:11,816 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/data/e5871fa3d/af0ea6dd85f84a25a8995fd205248e9f/FLAG2456b9f64 [2022-11-02 20:35:12,092 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/data/e5871fa3d/af0ea6dd85f84a25a8995fd205248e9f [2022-11-02 20:35:12,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:35:12,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:35:12,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:35:12,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:35:12,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:35:12,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:35:12" (1/1) ... [2022-11-02 20:35:12,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34bcc07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:12, skipping insertion in model container [2022-11-02 20:35:12,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:35:12" (1/1) ... [2022-11-02 20:35:12,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:35:12,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:35:12,361 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_7b46d696-6ed3-4b35-acdf-d588b84061b4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c[1132,1145] [2022-11-02 20:35:12,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:12,631 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:35:12,644 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_7b46d696-6ed3-4b35-acdf-d588b84061b4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c[1132,1145] [2022-11-02 20:35:12,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:12,820 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:35:12,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:12 WrapperNode [2022-11-02 20:35:12,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:35:12,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:35:12,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:35:12,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:35:12,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:12" (1/1) ... [2022-11-02 20:35:12,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:12" (1/1) ... [2022-11-02 20:35:12,916 INFO L138 Inliner]: procedures = 11, calls = 5, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 735 [2022-11-02 20:35:12,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:35:12,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:35:12,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:35:12,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:35:12,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:12" (1/1) ... [2022-11-02 20:35:12,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:12" (1/1) ... [2022-11-02 20:35:12,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:12" (1/1) ... [2022-11-02 20:35:12,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:12" (1/1) ... [2022-11-02 20:35:12,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:12" (1/1) ... [2022-11-02 20:35:12,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:12" (1/1) ... [2022-11-02 20:35:12,968 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:12" (1/1) ... [2022-11-02 20:35:12,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:12" (1/1) ... [2022-11-02 20:35:12,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:35:12,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:35:12,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:35:12,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:35:12,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:12" (1/1) ... [2022-11-02 20:35:12,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:35:13,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:13,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:13,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:35:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:35:13,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:35:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:35:13,081 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:35:13,336 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:35:13,338 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:35:14,260 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:35:14,279 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:35:14,280 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:35:14,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:14 BoogieIcfgContainer [2022-11-02 20:35:14,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:35:14,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:35:14,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:35:14,292 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:35:14,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:35:12" (1/3) ... [2022-11-02 20:35:14,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6958c4d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:35:14, skipping insertion in model container [2022-11-02 20:35:14,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:12" (2/3) ... [2022-11-02 20:35:14,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6958c4d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:35:14, skipping insertion in model container [2022-11-02 20:35:14,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:14" (3/3) ... [2022-11-02 20:35:14,295 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c [2022-11-02 20:35:14,314 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:35:14,315 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:35:14,384 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:35:14,393 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;@28d98f18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:35:14,393 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:35:14,398 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 62 states have (on average 1.467741935483871) internal successors, (91), 63 states have internal predecessors, (91), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:35:14,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-02 20:35:14,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:14,408 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] [2022-11-02 20:35:14,409 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:14,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:14,417 INFO L85 PathProgramCache]: Analyzing trace with hash -450479395, now seen corresponding path program 1 times [2022-11-02 20:35:14,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:14,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [805376507] [2022-11-02 20:35:14,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:14,434 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:14,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:14,441 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:14,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-02 20:35:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:14,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-02 20:35:14,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:14,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-02 20:35:14,833 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:14,834 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:14,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [805376507] [2022-11-02 20:35:14,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [805376507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:14,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:14,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:35:14,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361134063] [2022-11-02 20:35:14,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:14,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:35:14,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:14,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:35:14,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:35:14,875 INFO L87 Difference]: Start difference. First operand has 67 states, 62 states have (on average 1.467741935483871) internal successors, (91), 63 states have internal predecessors, (91), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:35:14,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:14,900 INFO L93 Difference]: Finished difference Result 128 states and 187 transitions. [2022-11-02 20:35:14,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:35:14,904 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2022-11-02 20:35:14,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:14,912 INFO L225 Difference]: With dead ends: 128 [2022-11-02 20:35:14,913 INFO L226 Difference]: Without dead ends: 63 [2022-11-02 20:35:14,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:35:14,927 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:14,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:35:14,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-02 20:35:14,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-02 20:35:14,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 59 states have (on average 1.423728813559322) internal successors, (84), 59 states have internal predecessors, (84), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:35:14,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 88 transitions. [2022-11-02 20:35:14,983 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 88 transitions. Word has length 23 [2022-11-02 20:35:14,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:14,983 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 88 transitions. [2022-11-02 20:35:14,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:35:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2022-11-02 20:35:14,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-02 20:35:14,986 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:14,987 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] [2022-11-02 20:35:15,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:15,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:15,208 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:15,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:15,209 INFO L85 PathProgramCache]: Analyzing trace with hash 2108508633, now seen corresponding path program 1 times [2022-11-02 20:35:15,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:15,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704621835] [2022-11-02 20:35:15,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:15,210 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:15,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:15,212 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:15,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-02 20:35:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:15,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-02 20:35:15,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:15,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-02 20:35:15,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:15,736 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:15,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704621835] [2022-11-02 20:35:15,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704621835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:15,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:15,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:35:15,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23881903] [2022-11-02 20:35:15,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:15,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:35:15,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:15,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:35:15,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:35:15,740 INFO L87 Difference]: Start difference. First operand 63 states and 88 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:35:16,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:16,016 INFO L93 Difference]: Finished difference Result 131 states and 186 transitions. [2022-11-02 20:35:16,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:35:16,017 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-11-02 20:35:16,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:16,019 INFO L225 Difference]: With dead ends: 131 [2022-11-02 20:35:16,019 INFO L226 Difference]: Without dead ends: 129 [2022-11-02 20:35:16,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:35:16,021 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 364 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:16,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 275 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:35:16,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-11-02 20:35:16,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 65. [2022-11-02 20:35:16,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 61 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:35:16,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2022-11-02 20:35:16,048 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 23 [2022-11-02 20:35:16,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:16,049 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2022-11-02 20:35:16,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:35:16,049 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-11-02 20:35:16,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-02 20:35:16,050 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:16,050 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] [2022-11-02 20:35:16,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:16,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:16,264 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:16,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:16,265 INFO L85 PathProgramCache]: Analyzing trace with hash 2108449051, now seen corresponding path program 1 times [2022-11-02 20:35:16,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:16,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529754047] [2022-11-02 20:35:16,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:16,267 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:16,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:16,269 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:16,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-02 20:35:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:16,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:35:16,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:16,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-02 20:35:16,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:16,745 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:16,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1529754047] [2022-11-02 20:35:16,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1529754047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:16,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:16,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:35:16,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162608286] [2022-11-02 20:35:16,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:16,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:35:16,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:16,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:35:16,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:35:16,754 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:35:16,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:16,930 INFO L93 Difference]: Finished difference Result 240 states and 343 transitions. [2022-11-02 20:35:16,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:35:16,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-11-02 20:35:16,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:16,934 INFO L225 Difference]: With dead ends: 240 [2022-11-02 20:35:16,937 INFO L226 Difference]: Without dead ends: 177 [2022-11-02 20:35:16,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:35:16,940 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 289 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:16,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 367 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:35:16,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2022-11-02 20:35:16,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 75. [2022-11-02 20:35:16,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 69 states have (on average 1.391304347826087) internal successors, (96), 69 states have internal predecessors, (96), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 20:35:16,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2022-11-02 20:35:16,957 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 23 [2022-11-02 20:35:16,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:16,957 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2022-11-02 20:35:16,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:35:16,958 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2022-11-02 20:35:16,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-02 20:35:16,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:16,960 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-02 20:35:16,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:17,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:17,175 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:17,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:17,175 INFO L85 PathProgramCache]: Analyzing trace with hash -2135365673, now seen corresponding path program 1 times [2022-11-02 20:35:17,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:17,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102156645] [2022-11-02 20:35:17,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:17,177 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:17,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:17,182 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:17,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-02 20:35:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:17,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:35:17,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:17,907 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-02 20:35:17,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:17,908 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:17,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102156645] [2022-11-02 20:35:17,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1102156645] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:17,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:17,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:35:17,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651900525] [2022-11-02 20:35:17,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:17,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:35:17,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:17,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:35:17,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:35:17,911 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:17,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:17,956 INFO L93 Difference]: Finished difference Result 146 states and 203 transitions. [2022-11-02 20:35:17,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:35:17,957 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 86 [2022-11-02 20:35:17,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:17,958 INFO L225 Difference]: With dead ends: 146 [2022-11-02 20:35:17,959 INFO L226 Difference]: Without dead ends: 83 [2022-11-02 20:35:17,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:35:17,960 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 4 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 37 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:17,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 466 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 37 Unchecked, 0.0s Time] [2022-11-02 20:35:17,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-02 20:35:17,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-11-02 20:35:17,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 77 states have internal predecessors, (106), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 20:35:17,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 114 transitions. [2022-11-02 20:35:17,972 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 114 transitions. Word has length 86 [2022-11-02 20:35:17,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:17,972 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 114 transitions. [2022-11-02 20:35:17,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:17,973 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 114 transitions. [2022-11-02 20:35:17,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-02 20:35:17,975 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:17,975 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-02 20:35:18,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:18,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:18,196 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:18,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:18,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1598901845, now seen corresponding path program 1 times [2022-11-02 20:35:18,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:18,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [930993491] [2022-11-02 20:35:18,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:18,199 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:18,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:18,200 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:18,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-02 20:35:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:35:18,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:18,881 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-02 20:35:18,883 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:18,883 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:18,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [930993491] [2022-11-02 20:35:18,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [930993491] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:18,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:18,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:35:18,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032671789] [2022-11-02 20:35:18,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:18,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:35:18,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:18,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:35:18,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:35:18,892 INFO L87 Difference]: Start difference. First operand 83 states and 114 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:18,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:18,947 INFO L93 Difference]: Finished difference Result 146 states and 202 transitions. [2022-11-02 20:35:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:35:18,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 86 [2022-11-02 20:35:18,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:18,952 INFO L225 Difference]: With dead ends: 146 [2022-11-02 20:35:18,952 INFO L226 Difference]: Without dead ends: 83 [2022-11-02 20:35:18,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 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 20:35:18,956 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 63 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:18,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 166 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:35:18,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-02 20:35:18,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-11-02 20:35:18,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 77 states have (on average 1.3636363636363635) internal successors, (105), 77 states have internal predecessors, (105), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 20:35:18,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 113 transitions. [2022-11-02 20:35:18,980 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 113 transitions. Word has length 86 [2022-11-02 20:35:18,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:18,981 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 113 transitions. [2022-11-02 20:35:18,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:18,981 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 113 transitions. [2022-11-02 20:35:18,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-02 20:35:18,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:18,983 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-02 20:35:19,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:19,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:19,188 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:19,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:19,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1435148201, now seen corresponding path program 1 times [2022-11-02 20:35:19,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:19,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596160020] [2022-11-02 20:35:19,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:19,190 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:19,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:19,192 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:19,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-02 20:35:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:35:19,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:19,971 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-02 20:35:19,972 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:19,972 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:19,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596160020] [2022-11-02 20:35:19,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [596160020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:19,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:19,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:35:19,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993264211] [2022-11-02 20:35:19,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:19,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:35:19,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:19,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:35:19,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:35:19,975 INFO L87 Difference]: Start difference. First operand 83 states and 113 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:20,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:20,057 INFO L93 Difference]: Finished difference Result 146 states and 200 transitions. [2022-11-02 20:35:20,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:35:20,058 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 86 [2022-11-02 20:35:20,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:20,059 INFO L225 Difference]: With dead ends: 146 [2022-11-02 20:35:20,059 INFO L226 Difference]: Without dead ends: 83 [2022-11-02 20:35:20,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 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 20:35:20,061 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 58 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:20,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 164 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:35:20,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-02 20:35:20,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-11-02 20:35:20,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 77 states have (on average 1.3506493506493507) internal successors, (104), 77 states have internal predecessors, (104), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 20:35:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2022-11-02 20:35:20,074 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 86 [2022-11-02 20:35:20,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:20,074 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2022-11-02 20:35:20,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2022-11-02 20:35:20,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-02 20:35:20,076 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:20,077 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-02 20:35:20,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:20,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:20,301 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:20,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:20,301 INFO L85 PathProgramCache]: Analyzing trace with hash -991247527, now seen corresponding path program 1 times [2022-11-02 20:35:20,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:20,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [905735697] [2022-11-02 20:35:20,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:20,303 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:20,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:20,304 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:20,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-02 20:35:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:20,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:35:20,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:21,101 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-02 20:35:21,101 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:21,102 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:21,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [905735697] [2022-11-02 20:35:21,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [905735697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:21,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:21,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:35:21,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173317609] [2022-11-02 20:35:21,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:21,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:35:21,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:21,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:35:21,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:35:21,104 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:21,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:21,149 INFO L93 Difference]: Finished difference Result 160 states and 217 transitions. [2022-11-02 20:35:21,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:35:21,150 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 86 [2022-11-02 20:35:21,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:21,151 INFO L225 Difference]: With dead ends: 160 [2022-11-02 20:35:21,151 INFO L226 Difference]: Without dead ends: 97 [2022-11-02 20:35:21,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:35:21,152 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 25 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:21,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 349 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 25 Unchecked, 0.0s Time] [2022-11-02 20:35:21,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-02 20:35:21,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-11-02 20:35:21,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 91 states have internal predecessors, (122), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 20:35:21,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 130 transitions. [2022-11-02 20:35:21,164 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 130 transitions. Word has length 86 [2022-11-02 20:35:21,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:21,165 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 130 transitions. [2022-11-02 20:35:21,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:21,165 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 130 transitions. [2022-11-02 20:35:21,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-02 20:35:21,166 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:21,167 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-02 20:35:21,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:21,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:21,390 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:21,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:21,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1884733865, now seen corresponding path program 1 times [2022-11-02 20:35:21,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:21,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [809617693] [2022-11-02 20:35:21,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:21,392 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:21,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:21,393 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:21,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-02 20:35:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:35:21,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:22,195 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-02 20:35:22,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:22,196 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:22,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [809617693] [2022-11-02 20:35:22,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [809617693] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:22,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:22,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:35:22,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225799993] [2022-11-02 20:35:22,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:22,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:35:22,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:22,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:35:22,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:35:22,199 INFO L87 Difference]: Start difference. First operand 97 states and 130 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:22,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:22,241 INFO L93 Difference]: Finished difference Result 160 states and 216 transitions. [2022-11-02 20:35:22,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:35:22,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 86 [2022-11-02 20:35:22,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:22,244 INFO L225 Difference]: With dead ends: 160 [2022-11-02 20:35:22,244 INFO L226 Difference]: Without dead ends: 97 [2022-11-02 20:35:22,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 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 20:35:22,246 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 37 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:22,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 164 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:35:22,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-02 20:35:22,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-11-02 20:35:22,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 91 states have (on average 1.3296703296703296) internal successors, (121), 91 states have internal predecessors, (121), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 20:35:22,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 129 transitions. [2022-11-02 20:35:22,264 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 129 transitions. Word has length 86 [2022-11-02 20:35:22,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:22,264 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 129 transitions. [2022-11-02 20:35:22,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:22,265 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 129 transitions. [2022-11-02 20:35:22,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-02 20:35:22,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:22,270 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-02 20:35:22,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:22,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:22,474 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:22,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:22,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1957120423, now seen corresponding path program 1 times [2022-11-02 20:35:22,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:22,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [478306882] [2022-11-02 20:35:22,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:22,476 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:22,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:22,477 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:22,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-02 20:35:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:35:22,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:23,276 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-02 20:35:23,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:23,276 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:23,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [478306882] [2022-11-02 20:35:23,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [478306882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:23,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:23,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:35:23,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276832606] [2022-11-02 20:35:23,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:23,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:35:23,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:23,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:35:23,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:35:23,279 INFO L87 Difference]: Start difference. First operand 97 states and 129 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:23,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:23,364 INFO L93 Difference]: Finished difference Result 160 states and 214 transitions. [2022-11-02 20:35:23,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:35:23,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 86 [2022-11-02 20:35:23,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:23,367 INFO L225 Difference]: With dead ends: 160 [2022-11-02 20:35:23,367 INFO L226 Difference]: Without dead ends: 97 [2022-11-02 20:35:23,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 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 20:35:23,368 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 32 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:23,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 162 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:35:23,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-02 20:35:23,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-11-02 20:35:23,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 91 states have internal predecessors, (120), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 20:35:23,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 128 transitions. [2022-11-02 20:35:23,392 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 128 transitions. Word has length 86 [2022-11-02 20:35:23,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:23,394 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 128 transitions. [2022-11-02 20:35:23,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:23,395 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 128 transitions. [2022-11-02 20:35:23,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-02 20:35:23,396 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:23,397 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-02 20:35:23,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:23,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:23,618 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:23,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:23,619 INFO L85 PathProgramCache]: Analyzing trace with hash -570917029, now seen corresponding path program 1 times [2022-11-02 20:35:23,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:23,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039909059] [2022-11-02 20:35:23,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:23,621 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:23,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:23,622 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:23,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-02 20:35:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:35:24,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:24,346 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-02 20:35:24,346 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:24,346 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:24,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039909059] [2022-11-02 20:35:24,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2039909059] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:24,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:24,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:35:24,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527902951] [2022-11-02 20:35:24,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:24,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:35:24,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:24,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:35:24,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:35:24,353 INFO L87 Difference]: Start difference. First operand 97 states and 128 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:24,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:24,780 INFO L93 Difference]: Finished difference Result 333 states and 443 transitions. [2022-11-02 20:35:24,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:35:24,781 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 86 [2022-11-02 20:35:24,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:24,782 INFO L225 Difference]: With dead ends: 333 [2022-11-02 20:35:24,783 INFO L226 Difference]: Without dead ends: 270 [2022-11-02 20:35:24,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:35:24,784 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 437 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:24,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 475 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:35:24,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-11-02 20:35:24,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 165. [2022-11-02 20:35:24,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 159 states have (on average 1.320754716981132) internal successors, (210), 159 states have internal predecessors, (210), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 20:35:24,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 218 transitions. [2022-11-02 20:35:24,801 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 218 transitions. Word has length 86 [2022-11-02 20:35:24,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:24,801 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 218 transitions. [2022-11-02 20:35:24,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:24,802 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 218 transitions. [2022-11-02 20:35:24,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-02 20:35:24,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:24,805 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-02 20:35:24,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:25,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:25,018 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:25,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:25,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1800822233, now seen corresponding path program 1 times [2022-11-02 20:35:25,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:25,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073536889] [2022-11-02 20:35:25,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:25,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:25,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:25,022 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:25,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-02 20:35:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:25,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-02 20:35:25,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:26,341 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-02 20:35:26,341 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:26,341 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:26,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2073536889] [2022-11-02 20:35:26,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2073536889] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:26,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:26,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:35:26,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365080318] [2022-11-02 20:35:26,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:26,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:35:26,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:26,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:35:26,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:35:26,344 INFO L87 Difference]: Start difference. First operand 165 states and 218 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:26,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:26,442 INFO L93 Difference]: Finished difference Result 318 states and 424 transitions. [2022-11-02 20:35:26,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:35:26,445 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 86 [2022-11-02 20:35:26,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:26,446 INFO L225 Difference]: With dead ends: 318 [2022-11-02 20:35:26,446 INFO L226 Difference]: Without dead ends: 211 [2022-11-02 20:35:26,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:35:26,448 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 13 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 39 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:26,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 485 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 39 Unchecked, 0.0s Time] [2022-11-02 20:35:26,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2022-11-02 20:35:26,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2022-11-02 20:35:26,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 205 states have (on average 1.3219512195121952) internal successors, (271), 205 states have internal predecessors, (271), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 20:35:26,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 279 transitions. [2022-11-02 20:35:26,459 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 279 transitions. Word has length 86 [2022-11-02 20:35:26,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:26,459 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 279 transitions. [2022-11-02 20:35:26,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:26,460 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 279 transitions. [2022-11-02 20:35:26,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-02 20:35:26,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:26,461 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-02 20:35:26,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:26,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:26,680 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:26,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:26,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1941370843, now seen corresponding path program 1 times [2022-11-02 20:35:26,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:26,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290601734] [2022-11-02 20:35:26,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:26,682 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:26,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:26,685 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:26,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-02 20:35:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 20:35:27,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:27,435 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-02 20:35:27,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:35:27,657 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-02 20:35:27,657 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:27,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290601734] [2022-11-02 20:35:27,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290601734] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:35:27,657 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:35:27,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2022-11-02 20:35:27,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245971791] [2022-11-02 20:35:27,658 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:35:27,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-02 20:35:27,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:27,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-02 20:35:27,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:35:27,659 INFO L87 Difference]: Start difference. First operand 211 states and 279 transitions. Second operand has 11 states, 11 states have (on average 9.363636363636363) internal successors, (103), 11 states have internal predecessors, (103), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-02 20:35:28,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:28,400 INFO L93 Difference]: Finished difference Result 827 states and 1106 transitions. [2022-11-02 20:35:28,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-02 20:35:28,401 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.363636363636363) internal successors, (103), 11 states have internal predecessors, (103), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 86 [2022-11-02 20:35:28,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:28,404 INFO L225 Difference]: With dead ends: 827 [2022-11-02 20:35:28,404 INFO L226 Difference]: Without dead ends: 720 [2022-11-02 20:35:28,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2022-11-02 20:35:28,406 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 617 mSDsluCounter, 1018 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:28,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [617 Valid, 1220 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 20:35:28,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2022-11-02 20:35:28,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 272. [2022-11-02 20:35:28,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 264 states have (on average 1.3181818181818181) internal successors, (348), 264 states have internal predecessors, (348), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-02 20:35:28,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 360 transitions. [2022-11-02 20:35:28,424 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 360 transitions. Word has length 86 [2022-11-02 20:35:28,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:28,424 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 360 transitions. [2022-11-02 20:35:28,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.363636363636363) internal successors, (103), 11 states have internal predecessors, (103), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-02 20:35:28,425 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 360 transitions. [2022-11-02 20:35:28,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-02 20:35:28,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:28,426 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-02 20:35:28,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:28,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:28,639 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:28,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:28,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1132024217, now seen corresponding path program 1 times [2022-11-02 20:35:28,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:28,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684970766] [2022-11-02 20:35:28,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:28,641 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:28,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:28,642 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:28,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-02 20:35:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:29,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-02 20:35:29,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-02 20:35:29,875 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:35:30,289 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:30,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684970766] [2022-11-02 20:35:30,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1684970766] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:35:30,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2141632765] [2022-11-02 20:35:30,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:30,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-02 20:35:30,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 [2022-11-02 20:35:30,293 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-02 20:35:30,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2022-11-02 20:35:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-02 20:35:31,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:31,857 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-02 20:35:31,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:35:32,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2141632765] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:35:32,133 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:35:32,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 9 [2022-11-02 20:35:32,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083481697] [2022-11-02 20:35:32,133 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:35:32,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:35:32,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:32,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:35:32,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:35:32,135 INFO L87 Difference]: Start difference. First operand 272 states and 360 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-02 20:35:32,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:32,457 INFO L93 Difference]: Finished difference Result 676 states and 914 transitions. [2022-11-02 20:35:32,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-02 20:35:32,458 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 86 [2022-11-02 20:35:32,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:32,460 INFO L225 Difference]: With dead ends: 676 [2022-11-02 20:35:32,461 INFO L226 Difference]: Without dead ends: 526 [2022-11-02 20:35:32,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2022-11-02 20:35:32,463 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 372 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 60 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:32,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 505 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 60 Unchecked, 0.1s Time] [2022-11-02 20:35:32,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2022-11-02 20:35:32,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 394. [2022-11-02 20:35:32,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 382 states have (on average 1.324607329842932) internal successors, (506), 382 states have internal predecessors, (506), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-02 20:35:32,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 526 transitions. [2022-11-02 20:35:32,492 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 526 transitions. Word has length 86 [2022-11-02 20:35:32,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:32,493 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 526 transitions. [2022-11-02 20:35:32,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-02 20:35:32,493 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 526 transitions. [2022-11-02 20:35:32,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-02 20:35:32,496 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:32,496 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:32,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:32,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:32,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt [2022-11-02 20:35:32,916 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:32,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:32,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1775947229, now seen corresponding path program 1 times [2022-11-02 20:35:32,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:32,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727886636] [2022-11-02 20:35:32,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:32,918 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:32,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:32,919 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:32,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-02 20:35:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:33,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-02 20:35:33,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:34,087 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 97 proven. 14 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-02 20:35:34,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:35:34,527 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:34,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [727886636] [2022-11-02 20:35:34,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [727886636] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:35:34,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1714546061] [2022-11-02 20:35:34,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:34,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-02 20:35:34,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 [2022-11-02 20:35:34,529 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-02 20:35:34,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2022-11-02 20:35:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:35:35,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:35,444 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-02 20:35:35,444 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:35,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1714546061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:35,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:35:35,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2022-11-02 20:35:35,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856739044] [2022-11-02 20:35:35,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:35,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:35:35,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:35,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:35:35,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-11-02 20:35:35,446 INFO L87 Difference]: Start difference. First operand 394 states and 526 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:35,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:35,668 INFO L93 Difference]: Finished difference Result 1092 states and 1465 transitions. [2022-11-02 20:35:35,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:35:35,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 149 [2022-11-02 20:35:35,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:35,672 INFO L225 Difference]: With dead ends: 1092 [2022-11-02 20:35:35,672 INFO L226 Difference]: Without dead ends: 942 [2022-11-02 20:35:35,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2022-11-02 20:35:35,674 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 285 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:35,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 349 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:35:35,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2022-11-02 20:35:35,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 398. [2022-11-02 20:35:35,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 386 states have (on average 1.3212435233160622) internal successors, (510), 386 states have internal predecessors, (510), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-02 20:35:35,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 530 transitions. [2022-11-02 20:35:35,700 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 530 transitions. Word has length 149 [2022-11-02 20:35:35,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:35,701 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 530 transitions. [2022-11-02 20:35:35,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:35,701 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 530 transitions. [2022-11-02 20:35:35,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-02 20:35:35,703 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:35,704 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:35,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:35,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:36,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:36,110 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:36,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:36,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1215247451, now seen corresponding path program 1 times [2022-11-02 20:35:36,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:36,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429757576] [2022-11-02 20:35:36,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:36,112 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:36,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:36,113 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:36,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-02 20:35:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:36,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-02 20:35:36,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:37,079 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 97 proven. 14 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-02 20:35:37,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:35:37,424 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:37,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429757576] [2022-11-02 20:35:37,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1429757576] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:35:37,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [167931756] [2022-11-02 20:35:37,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:37,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-02 20:35:37,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 [2022-11-02 20:35:37,426 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-02 20:35:37,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2022-11-02 20:35:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:38,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:35:38,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:38,278 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-02 20:35:38,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:38,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [167931756] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:38,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:35:38,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2022-11-02 20:35:38,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178444899] [2022-11-02 20:35:38,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:38,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:35:38,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:38,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:35:38,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-11-02 20:35:38,284 INFO L87 Difference]: Start difference. First operand 398 states and 530 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:38,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:38,486 INFO L93 Difference]: Finished difference Result 1434 states and 1912 transitions. [2022-11-02 20:35:38,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:35:38,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 149 [2022-11-02 20:35:38,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:38,494 INFO L225 Difference]: With dead ends: 1434 [2022-11-02 20:35:38,494 INFO L226 Difference]: Without dead ends: 1122 [2022-11-02 20:35:38,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2022-11-02 20:35:38,498 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 200 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:38,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 514 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:35:38,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2022-11-02 20:35:38,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 532. [2022-11-02 20:35:38,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 520 states have (on average 1.301923076923077) internal successors, (677), 520 states have internal predecessors, (677), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-02 20:35:38,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 697 transitions. [2022-11-02 20:35:38,528 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 697 transitions. Word has length 149 [2022-11-02 20:35:38,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:38,529 INFO L495 AbstractCegarLoop]: Abstraction has 532 states and 697 transitions. [2022-11-02 20:35:38,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:38,529 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 697 transitions. [2022-11-02 20:35:38,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-02 20:35:38,532 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:38,532 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:38,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:38,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:38,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt [2022-11-02 20:35:38,956 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:38,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:38,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1199728733, now seen corresponding path program 1 times [2022-11-02 20:35:38,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:38,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296315458] [2022-11-02 20:35:38,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:38,958 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:38,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:38,959 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:38,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-11-02 20:35:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-02 20:35:39,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:39,976 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 97 proven. 14 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-02 20:35:39,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:35:40,337 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:40,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296315458] [2022-11-02 20:35:40,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [296315458] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:35:40,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1538621514] [2022-11-02 20:35:40,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:40,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-02 20:35:40,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 [2022-11-02 20:35:40,344 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-02 20:35:40,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2022-11-02 20:35:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:41,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:35:41,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:41,282 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-02 20:35:41,283 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:41,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1538621514] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:41,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:35:41,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2022-11-02 20:35:41,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316344844] [2022-11-02 20:35:41,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:41,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:35:41,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:41,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:35:41,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-11-02 20:35:41,285 INFO L87 Difference]: Start difference. First operand 532 states and 697 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:41,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:41,576 INFO L93 Difference]: Finished difference Result 1366 states and 1803 transitions. [2022-11-02 20:35:41,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:35:41,580 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 149 [2022-11-02 20:35:41,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:41,587 INFO L225 Difference]: With dead ends: 1366 [2022-11-02 20:35:41,587 INFO L226 Difference]: Without dead ends: 1162 [2022-11-02 20:35:41,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2022-11-02 20:35:41,589 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 270 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:41,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 374 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:35:41,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2022-11-02 20:35:41,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 580. [2022-11-02 20:35:41,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 568 states have (on average 1.2975352112676057) internal successors, (737), 568 states have internal predecessors, (737), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-02 20:35:41,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 757 transitions. [2022-11-02 20:35:41,620 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 757 transitions. Word has length 149 [2022-11-02 20:35:41,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:41,621 INFO L495 AbstractCegarLoop]: Abstraction has 580 states and 757 transitions. [2022-11-02 20:35:41,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:41,621 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 757 transitions. [2022-11-02 20:35:41,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-02 20:35:41,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:41,624 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:41,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:41,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:42,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt [2022-11-02 20:35:42,046 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:42,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:42,047 INFO L85 PathProgramCache]: Analyzing trace with hash 306242395, now seen corresponding path program 1 times [2022-11-02 20:35:42,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:42,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290060708] [2022-11-02 20:35:42,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:42,049 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:42,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:42,050 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:42,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-02 20:35:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:42,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-02 20:35:42,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:43,058 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 97 proven. 14 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-02 20:35:43,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:35:43,444 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:43,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290060708] [2022-11-02 20:35:43,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290060708] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:35:43,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1952829678] [2022-11-02 20:35:43,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:43,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-02 20:35:43,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 [2022-11-02 20:35:43,447 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-02 20:35:43,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2022-11-02 20:35:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 20:35:44,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:45,303 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 89 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-02 20:35:45,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:35:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 57 proven. 22 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-02 20:35:45,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1952829678] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:35:45,706 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:35:45,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2022-11-02 20:35:45,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925139595] [2022-11-02 20:35:45,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:35:45,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-02 20:35:45,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:45,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-02 20:35:45,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=542, Unknown=0, NotChecked=0, Total=600 [2022-11-02 20:35:45,709 INFO L87 Difference]: Start difference. First operand 580 states and 757 transitions. Second operand has 20 states, 20 states have (on average 13.65) internal successors, (273), 20 states have internal predecessors, (273), 7 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2022-11-02 20:35:50,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:50,523 INFO L93 Difference]: Finished difference Result 4076 states and 5297 transitions. [2022-11-02 20:35:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-02 20:35:50,524 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 13.65) internal successors, (273), 20 states have internal predecessors, (273), 7 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 149 [2022-11-02 20:35:50,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:50,537 INFO L225 Difference]: With dead ends: 4076 [2022-11-02 20:35:50,537 INFO L226 Difference]: Without dead ends: 3824 [2022-11-02 20:35:50,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 557 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1459 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1552, Invalid=5588, Unknown=0, NotChecked=0, Total=7140 [2022-11-02 20:35:50,542 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 1498 mSDsluCounter, 2827 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 3162 SdHoareTripleChecker+Invalid, 1401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:50,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 3162 Invalid, 1401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-02 20:35:50,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3824 states. [2022-11-02 20:35:50,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3824 to 1254. [2022-11-02 20:35:50,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1254 states, 1218 states have (on average 1.2742200328407225) internal successors, (1552), 1218 states have internal predecessors, (1552), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-11-02 20:35:50,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1620 transitions. [2022-11-02 20:35:50,659 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1620 transitions. Word has length 149 [2022-11-02 20:35:50,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:50,659 INFO L495 AbstractCegarLoop]: Abstraction has 1254 states and 1620 transitions. [2022-11-02 20:35:50,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 13.65) internal successors, (273), 20 states have internal predecessors, (273), 7 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2022-11-02 20:35:50,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1620 transitions. [2022-11-02 20:35:50,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-02 20:35:50,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:50,665 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:50,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:50,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2022-11-02 20:35:51,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt [2022-11-02 20:35:51,091 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:51,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:51,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1275631199, now seen corresponding path program 1 times [2022-11-02 20:35:51,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:51,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1100302196] [2022-11-02 20:35:51,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:51,093 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:51,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:51,094 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:51,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-11-02 20:35:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:51,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-02 20:35:51,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:52,108 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 75 proven. 36 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-02 20:35:52,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:35:52,516 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:52,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1100302196] [2022-11-02 20:35:52,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1100302196] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:35:52,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1814647965] [2022-11-02 20:35:52,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:52,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-02 20:35:52,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 [2022-11-02 20:35:52,519 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-02 20:35:52,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2022-11-02 20:35:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:53,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:35:53,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:53,347 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-02 20:35:53,347 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:53,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1814647965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:53,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:35:53,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2022-11-02 20:35:53,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006041059] [2022-11-02 20:35:53,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:53,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:35:53,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:53,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:35:53,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:35:53,349 INFO L87 Difference]: Start difference. First operand 1254 states and 1620 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:53,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:53,659 INFO L93 Difference]: Finished difference Result 4692 states and 6039 transitions. [2022-11-02 20:35:53,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:35:53,660 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 149 [2022-11-02 20:35:53,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:53,670 INFO L225 Difference]: With dead ends: 4692 [2022-11-02 20:35:53,670 INFO L226 Difference]: Without dead ends: 3662 [2022-11-02 20:35:53,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2022-11-02 20:35:53,673 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 209 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:53,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 571 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:35:53,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3662 states. [2022-11-02 20:35:53,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3662 to 1642. [2022-11-02 20:35:53,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1642 states, 1606 states have (on average 1.2671232876712328) internal successors, (2035), 1606 states have internal predecessors, (2035), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-11-02 20:35:53,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2103 transitions. [2022-11-02 20:35:53,780 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2103 transitions. Word has length 149 [2022-11-02 20:35:53,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:53,781 INFO L495 AbstractCegarLoop]: Abstraction has 1642 states and 2103 transitions. [2022-11-02 20:35:53,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:53,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2103 transitions. [2022-11-02 20:35:53,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-02 20:35:53,786 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:53,786 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:53,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (24)] Ended with exit code 0 [2022-11-02 20:35:54,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2022-11-02 20:35:54,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt [2022-11-02 20:35:54,205 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:54,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:54,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1699277921, now seen corresponding path program 1 times [2022-11-02 20:35:54,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:54,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327173272] [2022-11-02 20:35:54,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:54,207 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:54,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:54,208 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:54,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-11-02 20:35:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:54,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-02 20:35:54,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:55,243 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 71 proven. 40 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-02 20:35:55,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:35:55,559 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:55,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [327173272] [2022-11-02 20:35:55,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [327173272] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:35:55,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [962304601] [2022-11-02 20:35:55,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:55,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-02 20:35:55,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 [2022-11-02 20:35:55,561 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-02 20:35:55,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2022-11-02 20:35:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:56,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:35:56,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:56,437 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-02 20:35:56,437 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:56,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [962304601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:56,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:35:56,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2022-11-02 20:35:56,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916159647] [2022-11-02 20:35:56,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:56,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:35:56,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:56,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:35:56,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:35:56,440 INFO L87 Difference]: Start difference. First operand 1642 states and 2103 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:56,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:56,708 INFO L93 Difference]: Finished difference Result 4828 states and 6161 transitions. [2022-11-02 20:35:56,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:35:56,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 149 [2022-11-02 20:35:56,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:56,718 INFO L225 Difference]: With dead ends: 4828 [2022-11-02 20:35:56,718 INFO L226 Difference]: Without dead ends: 3646 [2022-11-02 20:35:56,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2022-11-02 20:35:56,721 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 208 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:56,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 571 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:35:56,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3646 states. [2022-11-02 20:35:56,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3646 to 1722. [2022-11-02 20:35:56,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1722 states, 1686 states have (on average 1.2663107947805456) internal successors, (2135), 1686 states have internal predecessors, (2135), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-11-02 20:35:56,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 2203 transitions. [2022-11-02 20:35:56,856 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 2203 transitions. Word has length 149 [2022-11-02 20:35:56,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:56,857 INFO L495 AbstractCegarLoop]: Abstraction has 1722 states and 2203 transitions. [2022-11-02 20:35:56,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:35:56,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2203 transitions. [2022-11-02 20:35:56,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-02 20:35:56,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:56,862 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:56,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:57,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (26)] Ended with exit code 0 [2022-11-02 20:35:57,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:57,268 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:57,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:57,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1936157853, now seen corresponding path program 1 times [2022-11-02 20:35:57,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:57,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [371725228] [2022-11-02 20:35:57,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:57,270 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:57,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:57,271 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:57,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-11-02 20:35:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:57,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 20:35:57,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:58,266 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 65 proven. 46 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-02 20:35:58,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:35:58,595 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 33 proven. 46 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-02 20:35:58,595 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:58,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [371725228] [2022-11-02 20:35:58,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [371725228] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:35:58,596 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:35:58,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-02 20:35:58,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254088021] [2022-11-02 20:35:58,596 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:35:58,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:35:58,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:58,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:35:58,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:35:58,598 INFO L87 Difference]: Start difference. First operand 1722 states and 2203 transitions. Second operand has 12 states, 12 states have (on average 18.583333333333332) internal successors, (223), 12 states have internal predecessors, (223), 5 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-02 20:35:59,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:59,233 INFO L93 Difference]: Finished difference Result 3562 states and 4548 transitions. [2022-11-02 20:35:59,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 20:35:59,234 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 18.583333333333332) internal successors, (223), 12 states have internal predecessors, (223), 5 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 149 [2022-11-02 20:35:59,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:59,238 INFO L225 Difference]: With dead ends: 3562 [2022-11-02 20:35:59,238 INFO L226 Difference]: Without dead ends: 2716 [2022-11-02 20:35:59,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2022-11-02 20:35:59,240 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 158 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:59,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 1165 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 20:35:59,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-11-02 20:35:59,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 2570. [2022-11-02 20:35:59,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2570 states, 2502 states have (on average 1.2577937649880095) internal successors, (3147), 2502 states have internal predecessors, (3147), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2022-11-02 20:35:59,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 2570 states and 3279 transitions. [2022-11-02 20:35:59,452 INFO L78 Accepts]: Start accepts. Automaton has 2570 states and 3279 transitions. Word has length 149 [2022-11-02 20:35:59,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:59,453 INFO L495 AbstractCegarLoop]: Abstraction has 2570 states and 3279 transitions. [2022-11-02 20:35:59,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 18.583333333333332) internal successors, (223), 12 states have internal predecessors, (223), 5 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-02 20:35:59,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2570 states and 3279 transitions. [2022-11-02 20:35:59,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-02 20:35:59,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:59,461 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:59,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (28)] Ended with exit code 0 [2022-11-02 20:35:59,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:59,683 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:59,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:59,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1234557979, now seen corresponding path program 1 times [2022-11-02 20:35:59,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:59,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923197281] [2022-11-02 20:35:59,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:59,685 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:59,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:59,686 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:59,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-11-02 20:36:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:00,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-02 20:36:00,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:36:01,341 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 59 proven. 45 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-02 20:36:01,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:36:01,797 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:36:01,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923197281] [2022-11-02 20:36:01,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923197281] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:36:01,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1767318926] [2022-11-02 20:36:01,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:01,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-02 20:36:01,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 [2022-11-02 20:36:01,799 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-02 20:36:01,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d696-6ed3-4b35-acdf-d588b84061b4/bin/uautomizer-Dbtcem3rbc/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2022-11-02 20:36:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 118 conjunts are in the unsatisfiable core [2022-11-02 20:36:03,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:37:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 59 proven. 52 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-02 20:37:51,958 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:38:01,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1767318926] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:38:01,079 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:38:01,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 24] total 30 [2022-11-02 20:38:01,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556080105] [2022-11-02 20:38:01,079 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:38:01,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-02 20:38:01,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:38:01,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-02 20:38:01,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1808, Unknown=38, NotChecked=0, Total=1980 [2022-11-02 20:38:01,081 INFO L87 Difference]: Start difference. First operand 2570 states and 3279 transitions. Second operand has 30 states, 30 states have (on average 7.533333333333333) internal successors, (226), 30 states have internal predecessors, (226), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8)