./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/Dubois-020.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/xcsp/Dubois-020.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 32bit --witnessprinter.graph.data.programhash 93d5a5d399a9dd6cd6b636e570174f8a08707ae74dd799252569e666733011b7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 18:54:49,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 18:54:49,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 18:54:49,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 18:54:49,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 18:54:49,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 18:54:49,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 18:54:49,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 18:54:49,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 18:54:49,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 18:54:49,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 18:54:49,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 18:54:49,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 18:54:49,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 18:54:49,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 18:54:49,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 18:54:49,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 18:54:49,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 18:54:49,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 18:54:49,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 18:54:49,428 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 18:54:49,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 18:54:49,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 18:54:49,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 18:54:49,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 18:54:49,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 18:54:49,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 18:54:49,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 18:54:49,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 18:54:49,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 18:54:49,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 18:54:49,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 18:54:49,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 18:54:49,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 18:54:49,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 18:54:49,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 18:54:49,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 18:54:49,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 18:54:49,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 18:54:49,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 18:54:49,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 18:54:49,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 18:54:49,448 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 18:54:49,478 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 18:54:49,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 18:54:49,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 18:54:49,480 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 18:54:49,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 18:54:49,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 18:54:49,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 18:54:49,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 18:54:49,482 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 18:54:49,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 18:54:49,483 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 18:54:49,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 18:54:49,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 18:54:49,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 18:54:49,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 18:54:49,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 18:54:49,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 18:54:49,484 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 18:54:49,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 18:54:49,484 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 18:54:49,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 18:54:49,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 18:54:49,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 18:54:49,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 18:54:49,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 18:54:49,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 18:54:49,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 18:54:49,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 18:54:49,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 18:54:49,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 18:54:49,487 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 18:54:49,487 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 18:54:49,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 18:54:49,487 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93d5a5d399a9dd6cd6b636e570174f8a08707ae74dd799252569e666733011b7 [2022-07-19 18:54:49,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 18:54:49,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 18:54:49,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 18:54:49,701 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 18:54:49,701 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 18:54:49,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/Dubois-020.c [2022-07-19 18:54:49,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6adef4cc/c5d61fa9ba044d578846da4f52042e25/FLAG97a75742c [2022-07-19 18:54:50,218 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 18:54:50,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/Dubois-020.c [2022-07-19 18:54:50,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6adef4cc/c5d61fa9ba044d578846da4f52042e25/FLAG97a75742c [2022-07-19 18:54:50,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6adef4cc/c5d61fa9ba044d578846da4f52042e25 [2022-07-19 18:54:50,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 18:54:50,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 18:54:50,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 18:54:50,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 18:54:50,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 18:54:50,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 06:54:50" (1/1) ... [2022-07-19 18:54:50,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fe46d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:54:50, skipping insertion in model container [2022-07-19 18:54:50,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 06:54:50" (1/1) ... [2022-07-19 18:54:50,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 18:54:50,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 18:54:50,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/Dubois-020.c[14400,14413] [2022-07-19 18:54:50,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 18:54:50,575 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 18:54:50,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/Dubois-020.c[14400,14413] [2022-07-19 18:54:50,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 18:54:50,729 INFO L208 MainTranslator]: Completed translation [2022-07-19 18:54:50,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:54:50 WrapperNode [2022-07-19 18:54:50,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 18:54:50,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 18:54:50,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 18:54:50,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 18:54:50,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:54:50" (1/1) ... [2022-07-19 18:54:50,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:54:50" (1/1) ... [2022-07-19 18:54:54,857 INFO L137 Inliner]: procedures = 13, calls = 167, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 417 [2022-07-19 18:54:54,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 18:54:54,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 18:54:54,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 18:54:54,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 18:54:54,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:54:50" (1/1) ... [2022-07-19 18:54:54,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:54:50" (1/1) ... [2022-07-19 18:54:56,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:54:50" (1/1) ... [2022-07-19 18:54:56,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:54:50" (1/1) ... [2022-07-19 18:54:57,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:54:50" (1/1) ... [2022-07-19 18:54:57,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:54:50" (1/1) ... [2022-07-19 18:54:58,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:54:50" (1/1) ... [2022-07-19 18:54:59,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 18:54:59,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 18:54:59,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 18:54:59,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 18:54:59,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:54:50" (1/1) ... [2022-07-19 18:54:59,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 18:54:59,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 18:54:59,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 18:54:59,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 18:54:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 18:54:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 18:54:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 18:54:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 18:54:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-07-19 18:54:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-07-19 18:54:59,224 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 18:54:59,226 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 18:55:01,665 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 18:55:01,680 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 18:55:01,680 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 18:55:01,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 06:55:01 BoogieIcfgContainer [2022-07-19 18:55:01,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 18:55:01,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 18:55:01,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 18:55:01,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 18:55:01,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 06:54:50" (1/3) ... [2022-07-19 18:55:01,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc36846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 06:55:01, skipping insertion in model container [2022-07-19 18:55:01,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:54:50" (2/3) ... [2022-07-19 18:55:01,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc36846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 06:55:01, skipping insertion in model container [2022-07-19 18:55:01,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 06:55:01" (3/3) ... [2022-07-19 18:55:01,693 INFO L111 eAbstractionObserver]: Analyzing ICFG Dubois-020.c [2022-07-19 18:55:01,706 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 18:55:01,706 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 18:55:01,757 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 18:55:01,763 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@374a079f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7adea8fa [2022-07-19 18:55:01,764 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 18:55:01,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 68 states have (on average 1.0294117647058822) internal successors, (70), 69 states have internal predecessors, (70), 160 states have call successors, (160), 1 states have call predecessors, (160), 1 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2022-07-19 18:55:01,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 864 [2022-07-19 18:55:01,808 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:55:01,809 INFO L195 NwaCegarLoop]: trace histogram [160, 160, 160, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:55:01,810 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 18:55:01,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:55:01,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1345418962, now seen corresponding path program 1 times [2022-07-19 18:55:01,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:55:01,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589990581] [2022-07-19 18:55:01,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:55:01,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:55:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 18:55:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 18:55:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 18:55:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 18:55:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 18:55:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 18:55:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 18:55:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 18:55:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 18:55:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 18:55:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-19 18:55:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 18:55:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 18:55:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 18:55:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-19 18:55:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-19 18:55:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 18:55:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-19 18:55:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-19 18:55:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-19 18:55:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-19 18:55:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-19 18:55:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-19 18:55:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-19 18:55:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-19 18:55:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-19 18:55:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-19 18:55:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-19 18:55:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-19 18:55:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-19 18:55:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-19 18:55:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-19 18:55:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-19 18:55:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-19 18:55:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-19 18:55:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-19 18:55:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-19 18:55:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-19 18:55:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-19 18:55:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-19 18:55:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-19 18:55:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-19 18:55:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-19 18:55:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-19 18:55:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-19 18:55:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-19 18:55:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-19 18:55:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-19 18:55:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-19 18:55:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-19 18:55:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-19 18:55:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-19 18:55:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-19 18:55:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-19 18:55:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-19 18:55:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-19 18:55:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-19 18:55:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-19 18:55:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-19 18:55:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-19 18:55:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-19 18:55:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-19 18:55:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-19 18:55:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-19 18:55:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-19 18:55:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-19 18:55:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-19 18:55:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-19 18:55:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-19 18:55:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-19 18:55:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-19 18:55:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-19 18:55:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-19 18:55:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-19 18:55:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-19 18:55:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-19 18:55:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-19 18:55:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-19 18:55:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-19 18:55:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-19 18:55:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-19 18:55:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-19 18:55:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-19 18:55:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-19 18:55:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-19 18:55:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-19 18:55:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-07-19 18:55:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-19 18:55:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-19 18:55:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-19 18:55:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-19 18:55:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-19 18:55:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-19 18:55:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-19 18:55:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-19 18:55:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-19 18:55:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-19 18:55:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-07-19 18:55:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-07-19 18:55:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-19 18:55:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-19 18:55:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-19 18:55:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-07-19 18:55:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-07-19 18:55:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-07-19 18:55:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-07-19 18:55:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-07-19 18:55:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-07-19 18:55:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-07-19 18:55:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-07-19 18:55:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-07-19 18:55:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-07-19 18:55:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2022-07-19 18:55:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2022-07-19 18:55:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2022-07-19 18:55:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 634 [2022-07-19 18:55:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2022-07-19 18:55:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-07-19 18:55:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2022-07-19 18:55:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2022-07-19 18:55:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2022-07-19 18:55:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2022-07-19 18:55:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 672 [2022-07-19 18:55:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2022-07-19 18:55:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-07-19 18:55:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 687 [2022-07-19 18:55:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2022-07-19 18:55:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 697 [2022-07-19 18:55:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:02,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 702 [2022-07-19 18:55:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2022-07-19 18:55:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 712 [2022-07-19 18:55:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 717 [2022-07-19 18:55:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 722 [2022-07-19 18:55:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-07-19 18:55:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 732 [2022-07-19 18:55:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2022-07-19 18:55:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 742 [2022-07-19 18:55:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 747 [2022-07-19 18:55:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 752 [2022-07-19 18:55:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 757 [2022-07-19 18:55:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 762 [2022-07-19 18:55:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2022-07-19 18:55:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-07-19 18:55:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 777 [2022-07-19 18:55:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 782 [2022-07-19 18:55:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 787 [2022-07-19 18:55:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 792 [2022-07-19 18:55:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2022-07-19 18:55:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 802 [2022-07-19 18:55:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 807 [2022-07-19 18:55:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 812 [2022-07-19 18:55:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-07-19 18:55:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 822 [2022-07-19 18:55:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2022-07-19 18:55:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 832 [2022-07-19 18:55:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 837 [2022-07-19 18:55:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 842 [2022-07-19 18:55:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 847 [2022-07-19 18:55:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 852 [2022-07-19 18:55:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2022-07-19 18:55:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:55:03,153 INFO L134 CoverageAnalysis]: Checked inductivity of 50880 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50880 trivial. 0 not checked. [2022-07-19 18:55:03,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:55:03,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589990581] [2022-07-19 18:55:03,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589990581] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:55:03,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:55:03,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 18:55:03,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381144459] [2022-07-19 18:55:03,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:55:03,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 18:55:03,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:55:03,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 18:55:03,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 18:55:03,194 INFO L87 Difference]: Start difference. First operand has 231 states, 68 states have (on average 1.0294117647058822) internal successors, (70), 69 states have internal predecessors, (70), 160 states have call successors, (160), 1 states have call predecessors, (160), 1 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (160), 1 states have call predecessors, (160), 1 states have return successors, (160), 1 states have call predecessors, (160), 2 states have call successors, (160) [2022-07-19 18:55:03,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:55:03,258 INFO L93 Difference]: Finished difference Result 456 states and 934 transitions. [2022-07-19 18:55:03,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 18:55:03,261 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (160), 1 states have call predecessors, (160), 1 states have return successors, (160), 1 states have call predecessors, (160), 2 states have call successors, (160) Word has length 863 [2022-07-19 18:55:03,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:55:03,277 INFO L225 Difference]: With dead ends: 456 [2022-07-19 18:55:03,277 INFO L226 Difference]: Without dead ends: 228 [2022-07-19 18:55:03,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 18:55:03,290 INFO L413 NwaCegarLoop]: 386 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, 386 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 [2022-07-19 18:55:03,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 18:55:03,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-07-19 18:55:03,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2022-07-19 18:55:03,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 66 states have (on average 1.0) internal successors, (66), 66 states have internal predecessors, (66), 160 states have call successors, (160), 1 states have call predecessors, (160), 1 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2022-07-19 18:55:03,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 386 transitions. [2022-07-19 18:55:03,375 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 386 transitions. Word has length 863 [2022-07-19 18:55:03,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:55:03,375 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 386 transitions. [2022-07-19 18:55:03,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (160), 1 states have call predecessors, (160), 1 states have return successors, (160), 1 states have call predecessors, (160), 2 states have call successors, (160) [2022-07-19 18:55:03,376 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 386 transitions. [2022-07-19 18:55:03,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 864 [2022-07-19 18:55:03,398 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:55:03,399 INFO L195 NwaCegarLoop]: trace histogram [160, 160, 160, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:55:03,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 18:55:03,399 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 18:55:03,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:55:03,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1789694510, now seen corresponding path program 1 times [2022-07-19 18:55:03,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:55:03,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60860339] [2022-07-19 18:55:03,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:55:03,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:55:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat