./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label48.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/eca-rers2012/Problem02_label48.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 b90cc16ef5a526e8275add9ef106c37f98806cd4be2a1de7d5feb4a1c25b3ebb --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 11:10:25,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 11:10:25,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 11:10:25,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 11:10:25,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 11:10:25,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 11:10:25,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 11:10:25,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 11:10:25,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 11:10:25,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 11:10:25,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 11:10:25,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 11:10:25,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 11:10:25,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 11:10:25,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 11:10:25,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 11:10:25,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 11:10:25,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 11:10:25,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 11:10:25,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 11:10:25,761 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 11:10:25,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 11:10:25,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 11:10:25,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 11:10:25,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 11:10:25,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 11:10:25,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 11:10:25,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 11:10:25,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 11:10:25,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 11:10:25,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 11:10:25,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 11:10:25,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 11:10:25,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 11:10:25,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 11:10:25,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 11:10:25,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 11:10:25,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 11:10:25,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 11:10:25,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 11:10:25,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 11:10:25,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 11:10:25,773 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 11:10:25,787 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 11:10:25,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 11:10:25,787 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 11:10:25,787 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 11:10:25,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 11:10:25,788 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 11:10:25,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 11:10:25,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 11:10:25,789 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 11:10:25,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 11:10:25,789 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 11:10:25,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 11:10:25,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 11:10:25,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 11:10:25,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 11:10:25,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 11:10:25,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 11:10:25,791 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 11:10:25,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 11:10:25,791 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 11:10:25,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 11:10:25,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 11:10:25,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 11:10:25,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 11:10:25,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 11:10:25,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 11:10:25,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 11:10:25,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 11:10:25,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 11:10:25,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 11:10:25,793 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 11:10:25,793 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 11:10:25,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 11:10:25,794 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b90cc16ef5a526e8275add9ef106c37f98806cd4be2a1de7d5feb4a1c25b3ebb [2022-07-19 11:10:25,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 11:10:25,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 11:10:25,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 11:10:25,947 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 11:10:25,948 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 11:10:25,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label48.c [2022-07-19 11:10:26,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/470368f9b/fa9461511ffc48538659bb7f4546218e/FLAG26e739d78 [2022-07-19 11:10:26,436 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 11:10:26,436 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label48.c [2022-07-19 11:10:26,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/470368f9b/fa9461511ffc48538659bb7f4546218e/FLAG26e739d78 [2022-07-19 11:10:26,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/470368f9b/fa9461511ffc48538659bb7f4546218e [2022-07-19 11:10:26,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 11:10:26,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 11:10:26,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 11:10:26,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 11:10:26,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 11:10:26,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:10:26" (1/1) ... [2022-07-19 11:10:26,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63271baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:10:26, skipping insertion in model container [2022-07-19 11:10:26,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:10:26" (1/1) ... [2022-07-19 11:10:26,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 11:10:26,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 11:10:26,726 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/eca-rers2012/Problem02_label48.c[20995,21008] [2022-07-19 11:10:26,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 11:10:26,741 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 11:10:26,789 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/eca-rers2012/Problem02_label48.c[20995,21008] [2022-07-19 11:10:26,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 11:10:26,802 INFO L208 MainTranslator]: Completed translation [2022-07-19 11:10:26,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:10:26 WrapperNode [2022-07-19 11:10:26,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 11:10:26,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 11:10:26,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 11:10:26,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 11:10:26,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:10:26" (1/1) ... [2022-07-19 11:10:26,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:10:26" (1/1) ... [2022-07-19 11:10:26,850 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2022-07-19 11:10:26,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 11:10:26,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 11:10:26,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 11:10:26,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 11:10:26,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:10:26" (1/1) ... [2022-07-19 11:10:26,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:10:26" (1/1) ... [2022-07-19 11:10:26,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:10:26" (1/1) ... [2022-07-19 11:10:26,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:10:26" (1/1) ... [2022-07-19 11:10:26,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:10:26" (1/1) ... [2022-07-19 11:10:26,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:10:26" (1/1) ... [2022-07-19 11:10:26,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:10:26" (1/1) ... [2022-07-19 11:10:26,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 11:10:26,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 11:10:26,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 11:10:26,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 11:10:26,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:10:26" (1/1) ... [2022-07-19 11:10:26,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 11:10:26,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 11:10:26,925 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 11:10:26,927 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 11:10:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 11:10:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 11:10:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 11:10:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 11:10:27,001 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 11:10:27,002 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 11:10:27,608 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 11:10:27,616 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 11:10:27,616 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-19 11:10:27,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:10:27 BoogieIcfgContainer [2022-07-19 11:10:27,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 11:10:27,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 11:10:27,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 11:10:27,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 11:10:27,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:10:26" (1/3) ... [2022-07-19 11:10:27,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aefbc00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:10:27, skipping insertion in model container [2022-07-19 11:10:27,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:10:26" (2/3) ... [2022-07-19 11:10:27,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aefbc00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:10:27, skipping insertion in model container [2022-07-19 11:10:27,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:10:27" (3/3) ... [2022-07-19 11:10:27,626 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label48.c [2022-07-19 11:10:27,635 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 11:10:27,635 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 11:10:27,672 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 11:10:27,676 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@2752926, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@a914a3b [2022-07-19 11:10:27,676 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 11:10:27,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:27,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-07-19 11:10:27,692 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:10:27,692 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:27,693 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:10:27,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:10:27,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1936539381, now seen corresponding path program 1 times [2022-07-19 11:10:27,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:10:27,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777524649] [2022-07-19 11:10:27,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:10:27,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:10:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:10:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 11:10:28,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:10:28,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777524649] [2022-07-19 11:10:28,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777524649] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:10:28,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 11:10:28,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 11:10:28,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715078255] [2022-07-19 11:10:28,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:10:28,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 11:10:28,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:10:28,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 11:10:28,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:10:28,047 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:28,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:10:28,613 INFO L93 Difference]: Finished difference Result 617 states and 1059 transitions. [2022-07-19 11:10:28,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 11:10:28,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2022-07-19 11:10:28,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:10:28,624 INFO L225 Difference]: With dead ends: 617 [2022-07-19 11:10:28,624 INFO L226 Difference]: Without dead ends: 316 [2022-07-19 11:10:28,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:10:28,629 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 64 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-19 11:10:28,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 102 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-19 11:10:28,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2022-07-19 11:10:28,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 309. [2022-07-19 11:10:28,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 308 states have (on average 1.4610389610389611) internal successors, (450), 308 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:28,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 450 transitions. [2022-07-19 11:10:28,728 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 450 transitions. Word has length 137 [2022-07-19 11:10:28,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:10:28,729 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 450 transitions. [2022-07-19 11:10:28,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:28,729 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 450 transitions. [2022-07-19 11:10:28,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-07-19 11:10:28,731 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:10:28,731 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:28,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 11:10:28,732 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:10:28,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:10:28,732 INFO L85 PathProgramCache]: Analyzing trace with hash -854285302, now seen corresponding path program 1 times [2022-07-19 11:10:28,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:10:28,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622605814] [2022-07-19 11:10:28,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:10:28,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:10:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:10:28,862 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 11:10:28,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:10:28,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622605814] [2022-07-19 11:10:28,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622605814] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:10:28,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 11:10:28,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 11:10:28,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082497519] [2022-07-19 11:10:28,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:10:28,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 11:10:28,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:10:28,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 11:10:28,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:10:28,865 INFO L87 Difference]: Start difference. First operand 309 states and 450 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:29,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:10:29,221 INFO L93 Difference]: Finished difference Result 900 states and 1316 transitions. [2022-07-19 11:10:29,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 11:10:29,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 145 [2022-07-19 11:10:29,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:10:29,224 INFO L225 Difference]: With dead ends: 900 [2022-07-19 11:10:29,224 INFO L226 Difference]: Without dead ends: 593 [2022-07-19 11:10:29,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:10:29,226 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 140 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 11:10:29,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 118 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 11:10:29,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2022-07-19 11:10:29,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 591. [2022-07-19 11:10:29,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 590 states have (on average 1.2915254237288136) internal successors, (762), 590 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:29,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 762 transitions. [2022-07-19 11:10:29,260 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 762 transitions. Word has length 145 [2022-07-19 11:10:29,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:10:29,260 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 762 transitions. [2022-07-19 11:10:29,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:29,261 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 762 transitions. [2022-07-19 11:10:29,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-07-19 11:10:29,264 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:10:29,264 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:29,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 11:10:29,264 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:10:29,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:10:29,265 INFO L85 PathProgramCache]: Analyzing trace with hash -796268118, now seen corresponding path program 1 times [2022-07-19 11:10:29,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:10:29,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234180508] [2022-07-19 11:10:29,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:10:29,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:10:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:10:29,326 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 11:10:29,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:10:29,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234180508] [2022-07-19 11:10:29,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234180508] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:10:29,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 11:10:29,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 11:10:29,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207413008] [2022-07-19 11:10:29,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:10:29,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 11:10:29,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:10:29,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 11:10:29,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:10:29,328 INFO L87 Difference]: Start difference. First operand 591 states and 762 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:29,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:10:29,629 INFO L93 Difference]: Finished difference Result 1750 states and 2260 transitions. [2022-07-19 11:10:29,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 11:10:29,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 146 [2022-07-19 11:10:29,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:10:29,634 INFO L225 Difference]: With dead ends: 1750 [2022-07-19 11:10:29,634 INFO L226 Difference]: Without dead ends: 1161 [2022-07-19 11:10:29,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:10:29,637 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 33 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 11:10:29,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 297 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 11:10:29,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2022-07-19 11:10:29,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1014. [2022-07-19 11:10:29,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 1013 states have (on average 1.263573543928924) internal successors, (1280), 1013 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:29,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1280 transitions. [2022-07-19 11:10:29,653 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1280 transitions. Word has length 146 [2022-07-19 11:10:29,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:10:29,653 INFO L495 AbstractCegarLoop]: Abstraction has 1014 states and 1280 transitions. [2022-07-19 11:10:29,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:29,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1280 transitions. [2022-07-19 11:10:29,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-07-19 11:10:29,656 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:10:29,656 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:29,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 11:10:29,657 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:10:29,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:10:29,657 INFO L85 PathProgramCache]: Analyzing trace with hash -47588257, now seen corresponding path program 1 times [2022-07-19 11:10:29,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:10:29,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752683398] [2022-07-19 11:10:29,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:10:29,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:10:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:10:29,720 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-19 11:10:29,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:10:29,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752683398] [2022-07-19 11:10:29,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752683398] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 11:10:29,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298601232] [2022-07-19 11:10:29,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:10:29,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 11:10:29,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 11:10:29,724 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 11:10:29,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 11:10:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:10:29,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 11:10:29,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 11:10:29,962 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-19 11:10:29,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 11:10:29,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298601232] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:10:29,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 11:10:29,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-07-19 11:10:29,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233837826] [2022-07-19 11:10:29,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:10:29,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 11:10:29,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:10:29,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 11:10:29,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-19 11:10:29,964 INFO L87 Difference]: Start difference. First operand 1014 states and 1280 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:30,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:10:30,263 INFO L93 Difference]: Finished difference Result 2601 states and 3290 transitions. [2022-07-19 11:10:30,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 11:10:30,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2022-07-19 11:10:30,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:10:30,268 INFO L225 Difference]: With dead ends: 2601 [2022-07-19 11:10:30,268 INFO L226 Difference]: Without dead ends: 1589 [2022-07-19 11:10:30,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-19 11:10:30,275 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 66 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 11:10:30,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 73 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 11:10:30,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2022-07-19 11:10:30,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1588. [2022-07-19 11:10:30,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1587 states have (on average 1.2331442974165092) internal successors, (1957), 1587 states have internal predecessors, (1957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:30,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 1957 transitions. [2022-07-19 11:10:30,294 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 1957 transitions. Word has length 150 [2022-07-19 11:10:30,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:10:30,294 INFO L495 AbstractCegarLoop]: Abstraction has 1588 states and 1957 transitions. [2022-07-19 11:10:30,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:30,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1957 transitions. [2022-07-19 11:10:30,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-07-19 11:10:30,297 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:10:30,298 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:30,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 11:10:30,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 11:10:30,514 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:10:30,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:10:30,515 INFO L85 PathProgramCache]: Analyzing trace with hash -751087908, now seen corresponding path program 1 times [2022-07-19 11:10:30,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:10:30,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810136496] [2022-07-19 11:10:30,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:10:30,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:10:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:10:30,542 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-19 11:10:30,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:10:30,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810136496] [2022-07-19 11:10:30,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810136496] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:10:30,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 11:10:30,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 11:10:30,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464195156] [2022-07-19 11:10:30,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:10:30,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 11:10:30,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:10:30,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 11:10:30,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:10:30,544 INFO L87 Difference]: Start difference. First operand 1588 states and 1957 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:30,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:10:30,838 INFO L93 Difference]: Finished difference Result 4437 states and 5506 transitions. [2022-07-19 11:10:30,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 11:10:30,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 152 [2022-07-19 11:10:30,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:10:30,845 INFO L225 Difference]: With dead ends: 4437 [2022-07-19 11:10:30,845 INFO L226 Difference]: Without dead ends: 2711 [2022-07-19 11:10:30,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:10:30,847 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 190 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 11:10:30,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 78 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 11:10:30,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2711 states. [2022-07-19 11:10:30,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2711 to 2711. [2022-07-19 11:10:30,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2711 states, 2710 states have (on average 1.2018450184501845) internal successors, (3257), 2710 states have internal predecessors, (3257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:30,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2711 states to 2711 states and 3257 transitions. [2022-07-19 11:10:30,877 INFO L78 Accepts]: Start accepts. Automaton has 2711 states and 3257 transitions. Word has length 152 [2022-07-19 11:10:30,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:10:30,877 INFO L495 AbstractCegarLoop]: Abstraction has 2711 states and 3257 transitions. [2022-07-19 11:10:30,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:30,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2711 states and 3257 transitions. [2022-07-19 11:10:30,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-07-19 11:10:30,881 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:10:30,881 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 11:10:30,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 11:10:30,882 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:10:30,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:10:30,882 INFO L85 PathProgramCache]: Analyzing trace with hash 682223060, now seen corresponding path program 1 times [2022-07-19 11:10:30,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:10:30,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440999596] [2022-07-19 11:10:30,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:10:30,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:10:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:10:30,910 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-19 11:10:30,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:10:30,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440999596] [2022-07-19 11:10:30,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440999596] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:10:30,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 11:10:30,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 11:10:30,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402948720] [2022-07-19 11:10:30,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:10:30,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 11:10:30,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:10:30,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 11:10:30,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:10:30,913 INFO L87 Difference]: Start difference. First operand 2711 states and 3257 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:31,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:10:31,242 INFO L93 Difference]: Finished difference Result 6124 states and 7447 transitions. [2022-07-19 11:10:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 11:10:31,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2022-07-19 11:10:31,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:10:31,250 INFO L225 Difference]: With dead ends: 6124 [2022-07-19 11:10:31,250 INFO L226 Difference]: Without dead ends: 3415 [2022-07-19 11:10:31,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:10:31,254 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 146 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 11:10:31,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 252 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 11:10:31,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3415 states. [2022-07-19 11:10:31,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3415 to 3271. [2022-07-19 11:10:31,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3271 states, 3270 states have (on average 1.1825688073394496) internal successors, (3867), 3270 states have internal predecessors, (3867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:31,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3271 states to 3271 states and 3867 transitions. [2022-07-19 11:10:31,301 INFO L78 Accepts]: Start accepts. Automaton has 3271 states and 3867 transitions. Word has length 154 [2022-07-19 11:10:31,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:10:31,301 INFO L495 AbstractCegarLoop]: Abstraction has 3271 states and 3867 transitions. [2022-07-19 11:10:31,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:31,302 INFO L276 IsEmpty]: Start isEmpty. Operand 3271 states and 3867 transitions. [2022-07-19 11:10:31,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-07-19 11:10:31,306 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:10:31,306 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 11:10:31,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 11:10:31,306 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:10:31,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:10:31,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1759571426, now seen corresponding path program 1 times [2022-07-19 11:10:31,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:10:31,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307981303] [2022-07-19 11:10:31,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:10:31,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:10:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:10:31,333 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-19 11:10:31,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:10:31,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307981303] [2022-07-19 11:10:31,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307981303] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:10:31,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 11:10:31,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 11:10:31,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656915509] [2022-07-19 11:10:31,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:10:31,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 11:10:31,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:10:31,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 11:10:31,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:10:31,335 INFO L87 Difference]: Start difference. First operand 3271 states and 3867 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:31,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:10:31,643 INFO L93 Difference]: Finished difference Result 7101 states and 8364 transitions. [2022-07-19 11:10:31,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 11:10:31,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 158 [2022-07-19 11:10:31,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:10:31,652 INFO L225 Difference]: With dead ends: 7101 [2022-07-19 11:10:31,652 INFO L226 Difference]: Without dead ends: 3832 [2022-07-19 11:10:31,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:10:31,656 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 11:10:31,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 269 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 11:10:31,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3832 states. [2022-07-19 11:10:31,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3832 to 3831. [2022-07-19 11:10:31,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3831 states, 3830 states have (on average 1.1597911227154047) internal successors, (4442), 3830 states have internal predecessors, (4442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:31,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3831 states and 4442 transitions. [2022-07-19 11:10:31,723 INFO L78 Accepts]: Start accepts. Automaton has 3831 states and 4442 transitions. Word has length 158 [2022-07-19 11:10:31,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:10:31,723 INFO L495 AbstractCegarLoop]: Abstraction has 3831 states and 4442 transitions. [2022-07-19 11:10:31,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:31,724 INFO L276 IsEmpty]: Start isEmpty. Operand 3831 states and 4442 transitions. [2022-07-19 11:10:31,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-07-19 11:10:31,728 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:10:31,728 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:31,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 11:10:31,728 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:10:31,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:10:31,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1986926839, now seen corresponding path program 1 times [2022-07-19 11:10:31,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:10:31,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561682835] [2022-07-19 11:10:31,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:10:31,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:10:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:10:31,803 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 11:10:31,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:10:31,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561682835] [2022-07-19 11:10:31,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561682835] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 11:10:31,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852477560] [2022-07-19 11:10:31,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:10:31,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 11:10:31,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 11:10:31,806 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 11:10:31,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 11:10:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:10:31,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 11:10:31,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 11:10:32,037 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-19 11:10:32,037 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 11:10:32,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852477560] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:10:32,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 11:10:32,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-19 11:10:32,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271000431] [2022-07-19 11:10:32,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:10:32,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 11:10:32,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:10:32,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 11:10:32,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-19 11:10:32,040 INFO L87 Difference]: Start difference. First operand 3831 states and 4442 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:32,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:10:32,357 INFO L93 Difference]: Finished difference Result 7661 states and 8884 transitions. [2022-07-19 11:10:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 11:10:32,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 164 [2022-07-19 11:10:32,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:10:32,366 INFO L225 Difference]: With dead ends: 7661 [2022-07-19 11:10:32,366 INFO L226 Difference]: Without dead ends: 3832 [2022-07-19 11:10:32,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-19 11:10:32,370 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 49 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 11:10:32,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 54 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 11:10:32,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3832 states. [2022-07-19 11:10:32,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3832 to 3831. [2022-07-19 11:10:32,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3831 states, 3830 states have (on average 1.137859007832898) internal successors, (4358), 3830 states have internal predecessors, (4358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:32,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3831 states and 4358 transitions. [2022-07-19 11:10:32,422 INFO L78 Accepts]: Start accepts. Automaton has 3831 states and 4358 transitions. Word has length 164 [2022-07-19 11:10:32,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:10:32,423 INFO L495 AbstractCegarLoop]: Abstraction has 3831 states and 4358 transitions. [2022-07-19 11:10:32,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:32,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3831 states and 4358 transitions. [2022-07-19 11:10:32,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-19 11:10:32,430 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 11:10:32,430 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:32,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 11:10:32,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-07-19 11:10:32,646 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 11:10:32,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 11:10:32,647 INFO L85 PathProgramCache]: Analyzing trace with hash -388667833, now seen corresponding path program 1 times [2022-07-19 11:10:32,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 11:10:32,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714542319] [2022-07-19 11:10:32,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 11:10:32,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 11:10:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 11:10:32,695 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-07-19 11:10:32,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 11:10:32,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714542319] [2022-07-19 11:10:32,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714542319] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 11:10:32,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 11:10:32,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 11:10:32,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736312481] [2022-07-19 11:10:32,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 11:10:32,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 11:10:32,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 11:10:32,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 11:10:32,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:10:32,698 INFO L87 Difference]: Start difference. First operand 3831 states and 4358 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:32,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 11:10:32,864 INFO L93 Difference]: Finished difference Result 7080 states and 8074 transitions. [2022-07-19 11:10:32,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 11:10:32,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 269 [2022-07-19 11:10:32,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 11:10:32,865 INFO L225 Difference]: With dead ends: 7080 [2022-07-19 11:10:32,865 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 11:10:32,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 11:10:32,869 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 172 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 11:10:32,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 19 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 11:10:32,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 11:10:32,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 11:10:32,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:32,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 11:10:32,871 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 269 [2022-07-19 11:10:32,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 11:10:32,871 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 11:10:32,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 11:10:32,871 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 11:10:32,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 11:10:32,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 11:10:32,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 11:10:32,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 11:10:33,045 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,045 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,045 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,045 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2022-07-19 11:10:33,045 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2022-07-19 11:10:33,045 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2022-07-19 11:10:33,046 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-07-19 11:10:33,046 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2022-07-19 11:10:33,046 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2022-07-19 11:10:33,046 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2022-07-19 11:10:33,046 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2022-07-19 11:10:33,046 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,046 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,046 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,046 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2022-07-19 11:10:33,047 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2022-07-19 11:10:33,047 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2022-07-19 11:10:33,047 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2022-07-19 11:10:33,047 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2022-07-19 11:10:33,047 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,047 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,047 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,047 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2022-07-19 11:10:33,048 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2022-07-19 11:10:33,048 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2022-07-19 11:10:33,048 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-07-19 11:10:33,048 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2022-07-19 11:10:33,048 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2022-07-19 11:10:33,048 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2022-07-19 11:10:33,048 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2022-07-19 11:10:33,048 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2022-07-19 11:10:33,048 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2022-07-19 11:10:33,048 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,049 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,049 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,049 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2022-07-19 11:10:33,049 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2022-07-19 11:10:33,049 INFO L899 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2022-07-19 11:10:33,049 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2022-07-19 11:10:33,049 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2022-07-19 11:10:33,049 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2022-07-19 11:10:33,049 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2022-07-19 11:10:33,050 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,050 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,050 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,050 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2022-07-19 11:10:33,050 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2022-07-19 11:10:33,050 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2022-07-19 11:10:33,050 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2022-07-19 11:10:33,050 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2022-07-19 11:10:33,050 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2022-07-19 11:10:33,050 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2022-07-19 11:10:33,051 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,051 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,051 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,051 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2022-07-19 11:10:33,051 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2022-07-19 11:10:33,051 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-07-19 11:10:33,051 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-07-19 11:10:33,051 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2022-07-19 11:10:33,051 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,052 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,052 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,052 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2022-07-19 11:10:33,052 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2022-07-19 11:10:33,052 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2022-07-19 11:10:33,052 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-07-19 11:10:33,052 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2022-07-19 11:10:33,052 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2022-07-19 11:10:33,052 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2022-07-19 11:10:33,052 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2022-07-19 11:10:33,053 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,053 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,053 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,053 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2022-07-19 11:10:33,053 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 11:10:33,053 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2022-07-19 11:10:33,053 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2022-07-19 11:10:33,053 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2022-07-19 11:10:33,053 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2022-07-19 11:10:33,054 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2022-07-19 11:10:33,054 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2022-07-19 11:10:33,054 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2022-07-19 11:10:33,054 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,054 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,054 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,054 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2022-07-19 11:10:33,054 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-07-19 11:10:33,054 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2022-07-19 11:10:33,054 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2022-07-19 11:10:33,055 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2022-07-19 11:10:33,055 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2022-07-19 11:10:33,055 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-07-19 11:10:33,055 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2022-07-19 11:10:33,055 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2022-07-19 11:10:33,055 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,055 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,055 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,055 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2022-07-19 11:10:33,055 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2022-07-19 11:10:33,056 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-07-19 11:10:33,056 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2022-07-19 11:10:33,056 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2022-07-19 11:10:33,056 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2022-07-19 11:10:33,056 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 11:10:33,056 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 593) no Hoare annotation was computed. [2022-07-19 11:10:33,056 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,056 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,056 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,057 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2022-07-19 11:10:33,057 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2022-07-19 11:10:33,057 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2022-07-19 11:10:33,057 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2022-07-19 11:10:33,057 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2022-07-19 11:10:33,057 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2022-07-19 11:10:33,057 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2022-07-19 11:10:33,057 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2022-07-19 11:10:33,057 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,057 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,058 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,058 INFO L899 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2022-07-19 11:10:33,058 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2022-07-19 11:10:33,058 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-07-19 11:10:33,058 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2022-07-19 11:10:33,058 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2022-07-19 11:10:33,058 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,058 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,058 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,059 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2022-07-19 11:10:33,059 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2022-07-19 11:10:33,059 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2022-07-19 11:10:33,059 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2022-07-19 11:10:33,059 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2022-07-19 11:10:33,059 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2022-07-19 11:10:33,059 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2022-07-19 11:10:33,059 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2022-07-19 11:10:33,059 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2022-07-19 11:10:33,060 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2022-07-19 11:10:33,060 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2022-07-19 11:10:33,060 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,060 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,060 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2022-07-19 11:10:33,060 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2022-07-19 11:10:33,060 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2022-07-19 11:10:33,060 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2022-07-19 11:10:33,060 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2022-07-19 11:10:33,060 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2022-07-19 11:10:33,061 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2022-07-19 11:10:33,061 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2022-07-19 11:10:33,061 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2022-07-19 11:10:33,061 INFO L895 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8)) (.cse1 (= ~a25~0 1)) (.cse2 (= ~a19~0 1))) (or (and .cse0 (<= ~a28~0 10)) (and .cse1 .cse0 .cse2) (and .cse1 (<= ~a11~0 0) .cse2 (<= ~a28~0 7)))) [2022-07-19 11:10:33,061 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,061 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,061 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2022-07-19 11:10:33,061 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-07-19 11:10:33,062 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2022-07-19 11:10:33,062 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2022-07-19 11:10:33,062 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2022-07-19 11:10:33,062 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2022-07-19 11:10:33,062 INFO L902 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2022-07-19 11:10:33,062 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,062 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,062 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2022-07-19 11:10:33,062 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-07-19 11:10:33,063 INFO L899 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2022-07-19 11:10:33,063 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2022-07-19 11:10:33,063 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2022-07-19 11:10:33,063 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2022-07-19 11:10:33,063 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2022-07-19 11:10:33,063 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2022-07-19 11:10:33,063 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2022-07-19 11:10:33,063 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,063 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,063 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2022-07-19 11:10:33,064 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2022-07-19 11:10:33,064 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-07-19 11:10:33,064 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2022-07-19 11:10:33,064 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 11:10:33,064 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-07-19 11:10:33,064 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2022-07-19 11:10:33,064 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8)) (.cse1 (= ~a25~0 1)) (.cse2 (= ~a19~0 1))) (or (and .cse0 (<= ~a28~0 10)) (and .cse1 .cse0 .cse2) (and .cse1 (<= ~a11~0 0) .cse2 (<= ~a28~0 7)))) [2022-07-19 11:10:33,064 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,064 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,065 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2022-07-19 11:10:33,065 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-07-19 11:10:33,065 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2022-07-19 11:10:33,065 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2022-07-19 11:10:33,065 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2022-07-19 11:10:33,065 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,065 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,065 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2022-07-19 11:10:33,065 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-07-19 11:10:33,065 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2022-07-19 11:10:33,066 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2022-07-19 11:10:33,066 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2022-07-19 11:10:33,066 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2022-07-19 11:10:33,066 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2022-07-19 11:10:33,066 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-07-19 11:10:33,066 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2022-07-19 11:10:33,066 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,066 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,066 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2022-07-19 11:10:33,066 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,067 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 11:10:33,067 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-07-19 11:10:33,067 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2022-07-19 11:10:33,067 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2022-07-19 11:10:33,067 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2022-07-19 11:10:33,067 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2022-07-19 11:10:33,067 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2022-07-19 11:10:33,067 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,067 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,067 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,068 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-07-19 11:10:33,068 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-07-19 11:10:33,068 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2022-07-19 11:10:33,068 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2022-07-19 11:10:33,068 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2022-07-19 11:10:33,068 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,068 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,068 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2022-07-19 11:10:33,068 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2022-07-19 11:10:33,069 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2022-07-19 11:10:33,069 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2022-07-19 11:10:33,069 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2022-07-19 11:10:33,069 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2022-07-19 11:10:33,069 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2022-07-19 11:10:33,071 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 11:10:33,073 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 11:10:33,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:10:33 BoogieIcfgContainer [2022-07-19 11:10:33,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 11:10:33,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 11:10:33,083 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 11:10:33,083 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 11:10:33,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:10:27" (3/4) ... [2022-07-19 11:10:33,085 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 11:10:33,095 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-19 11:10:33,096 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 11:10:33,096 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 11:10:33,097 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 11:10:33,153 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 11:10:33,153 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 11:10:33,154 INFO L158 Benchmark]: Toolchain (without parser) took 6698.25ms. Allocated memory was 123.7MB in the beginning and 262.1MB in the end (delta: 138.4MB). Free memory was 93.3MB in the beginning and 207.0MB in the end (delta: -113.6MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2022-07-19 11:10:33,154 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 123.7MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 11:10:33,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.17ms. Allocated memory is still 123.7MB. Free memory was 93.2MB in the beginning and 81.2MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-19 11:10:33,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.76ms. Allocated memory is still 123.7MB. Free memory was 81.0MB in the beginning and 75.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-19 11:10:33,155 INFO L158 Benchmark]: Boogie Preprocessor took 33.23ms. Allocated memory is still 123.7MB. Free memory was 75.6MB in the beginning and 71.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 11:10:33,155 INFO L158 Benchmark]: RCFGBuilder took 732.92ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 71.4MB in the beginning and 90.4MB in the end (delta: -19.0MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2022-07-19 11:10:33,155 INFO L158 Benchmark]: TraceAbstraction took 5460.89ms. Allocated memory was 161.5MB in the beginning and 262.1MB in the end (delta: 100.7MB). Free memory was 89.7MB in the beginning and 217.7MB in the end (delta: -128.0MB). Peak memory consumption was 108.4MB. Max. memory is 16.1GB. [2022-07-19 11:10:33,156 INFO L158 Benchmark]: Witness Printer took 70.55ms. Allocated memory is still 262.1MB. Free memory was 216.7MB in the beginning and 207.0MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-19 11:10:33,157 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 123.7MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.17ms. Allocated memory is still 123.7MB. Free memory was 93.2MB in the beginning and 81.2MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.76ms. Allocated memory is still 123.7MB. Free memory was 81.0MB in the beginning and 75.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.23ms. Allocated memory is still 123.7MB. Free memory was 75.6MB in the beginning and 71.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 732.92ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 71.4MB in the beginning and 90.4MB in the end (delta: -19.0MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5460.89ms. Allocated memory was 161.5MB in the beginning and 262.1MB in the end (delta: 100.7MB). Free memory was 89.7MB in the beginning and 217.7MB in the end (delta: -128.0MB). Peak memory consumption was 108.4MB. Max. memory is 16.1GB. * Witness Printer took 70.55ms. Allocated memory is still 262.1MB. Free memory was 216.7MB in the beginning and 207.0MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. 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 - PositiveResult [Line: 593]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1004 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1004 mSDsluCounter, 1262 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 142 mSDsCounter, 575 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3253 IncrementalHoareTripleChecker+Invalid, 3828 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 575 mSolverCounterUnsat, 1120 mSDtfsCounter, 3253 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 336 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3831occurred in iteration=7, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 303 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 53 NumberOfFragments, 63 HoareAnnotationTreeSize, 3 FomulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 716 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1789 NumberOfCodeBlocks, 1789 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1778 ConstructedInterpolants, 0 QuantifiedInterpolants, 5643 SizeOfPredicates, 0 NumberOfNonLiveVariables, 576 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 388/412 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((a17 <= 8 && a28 <= 10) || ((a25 == 1 && a17 <= 8) && a19 == 1)) || (((a25 == 1 && a11 <= 0) && a19 == 1) && a28 <= 7) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((a17 <= 8 && a28 <= 10) || ((a25 == 1 && a17 <= 8) && a19 == 1)) || (((a25 == 1 && a11 <= 0) && a19 == 1) && a28 <= 7) RESULT: Ultimate proved your program to be correct! [2022-07-19 11:10:33,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE