./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/openssl-simplified/s3_srvr_1a.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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/openssl-simplified/s3_srvr_1a.cil.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 9bbd8ebbfdd1aa7b2aaa2f32f767526fd317d11dcf6b707f4c34423040b4383f --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 11:31:38,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 11:31:38,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 11:31:38,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 11:31:38,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 11:31:38,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 11:31:38,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 11:31:38,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 11:31:38,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 11:31:38,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 11:31:38,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 11:31:38,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 11:31:38,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 11:31:38,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 11:31:38,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 11:31:38,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 11:31:38,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 11:31:38,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 11:31:38,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 11:31:38,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 11:31:38,717 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 11:31:38,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 11:31:38,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 11:31:38,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 11:31:38,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 11:31:38,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 11:31:38,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 11:31:38,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 11:31:38,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 11:31:38,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 11:31:38,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 11:31:38,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 11:31:38,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 11:31:38,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 11:31:38,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 11:31:38,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 11:31:38,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 11:31:38,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 11:31:38,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 11:31:38,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 11:31:38,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 11:31:38,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 11:31:38,741 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 11:31:38,769 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 11:31:38,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 11:31:38,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 11:31:38,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 11:31:38,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 11:31:38,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 11:31:38,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 11:31:38,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 11:31:38,776 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 11:31:38,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 11:31:38,777 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 11:31:38,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 11:31:38,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 11:31:38,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 11:31:38,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 11:31:38,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 11:31:38,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 11:31:38,778 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 11:31:38,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 11:31:38,780 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 11:31:38,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 11:31:38,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 11:31:38,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 11:31:38,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 11:31:38,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 11:31:38,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 11:31:38,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 11:31:38,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 11:31:38,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 11:31:38,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 11:31:38,791 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 11:31:38,791 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 11:31:38,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 11:31:38,791 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bbd8ebbfdd1aa7b2aaa2f32f767526fd317d11dcf6b707f4c34423040b4383f [2022-07-13 11:31:39,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 11:31:39,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 11:31:39,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 11:31:39,077 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 11:31:39,078 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 11:31:39,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_1a.cil.c [2022-07-13 11:31:39,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faa07ec65/18ca9e2439bb4b7eaa905f9bae760f60/FLAG09057d378 [2022-07-13 11:31:39,516 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 11:31:39,516 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_1a.cil.c [2022-07-13 11:31:39,523 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faa07ec65/18ca9e2439bb4b7eaa905f9bae760f60/FLAG09057d378 [2022-07-13 11:31:39,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faa07ec65/18ca9e2439bb4b7eaa905f9bae760f60 [2022-07-13 11:31:39,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 11:31:39,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 11:31:39,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 11:31:39,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 11:31:39,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 11:31:39,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:31:39" (1/1) ... [2022-07-13 11:31:39,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382387c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:31:39, skipping insertion in model container [2022-07-13 11:31:39,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:31:39" (1/1) ... [2022-07-13 11:31:39,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 11:31:39,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 11:31:39,776 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/openssl-simplified/s3_srvr_1a.cil.c[14184,14197] [2022-07-13 11:31:39,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 11:31:39,788 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 11:31:39,821 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/openssl-simplified/s3_srvr_1a.cil.c[14184,14197] [2022-07-13 11:31:39,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 11:31:39,838 INFO L208 MainTranslator]: Completed translation [2022-07-13 11:31:39,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:31:39 WrapperNode [2022-07-13 11:31:39,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 11:31:39,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 11:31:39,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 11:31:39,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 11:31:39,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:31:39" (1/1) ... [2022-07-13 11:31:39,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:31:39" (1/1) ... [2022-07-13 11:31:39,867 INFO L137 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 140 [2022-07-13 11:31:39,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 11:31:39,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 11:31:39,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 11:31:39,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 11:31:39,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:31:39" (1/1) ... [2022-07-13 11:31:39,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:31:39" (1/1) ... [2022-07-13 11:31:39,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:31:39" (1/1) ... [2022-07-13 11:31:39,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:31:39" (1/1) ... [2022-07-13 11:31:39,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:31:39" (1/1) ... [2022-07-13 11:31:39,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:31:39" (1/1) ... [2022-07-13 11:31:39,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:31:39" (1/1) ... [2022-07-13 11:31:39,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 11:31:39,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 11:31:39,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 11:31:39,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 11:31:39,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:31:39" (1/1) ... [2022-07-13 11:31:39,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 11:31:39,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 11:31:39,928 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) [2022-07-13 11:31:39,929 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 [2022-07-13 11:31:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 11:31:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 11:31:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 11:31:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 11:31:40,011 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 11:31:40,012 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 11:31:40,230 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 11:31:40,235 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 11:31:40,235 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 11:31:40,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:31:40 BoogieIcfgContainer [2022-07-13 11:31:40,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 11:31:40,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 11:31:40,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 11:31:40,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 11:31:40,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:31:39" (1/3) ... [2022-07-13 11:31:40,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79dc7db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:31:40, skipping insertion in model container [2022-07-13 11:31:40,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:31:39" (2/3) ... [2022-07-13 11:31:40,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79dc7db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:31:40, skipping insertion in model container [2022-07-13 11:31:40,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:31:40" (3/3) ... [2022-07-13 11:31:40,258 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.cil.c [2022-07-13 11:31:40,271 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 11:31:40,271 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 11:31:40,309 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 11:31:40,317 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@3ced7c1a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@31ebeaa2 [2022-07-13 11:31:40,318 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 11:31:40,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 44 states have (on average 1.7045454545454546) internal successors, (75), 45 states have internal predecessors, (75), 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) [2022-07-13 11:31:40,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-07-13 11:31:40,340 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:31:40,341 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-07-13 11:31:40,341 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:31:40,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:31:40,346 INFO L85 PathProgramCache]: Analyzing trace with hash 28699930, now seen corresponding path program 1 times [2022-07-13 11:31:40,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:31:40,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332439771] [2022-07-13 11:31:40,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:31:40,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:31:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:31:40,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:31:40,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:31:40,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332439771] [2022-07-13 11:31:40,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332439771] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:31:40,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:31:40,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:31:40,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997232215] [2022-07-13 11:31:40,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:31:40,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:31:40,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:31:40,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:31:40,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:31:40,574 INFO L87 Difference]: Start difference. First operand has 46 states, 44 states have (on average 1.7045454545454546) internal successors, (75), 45 states have internal predecessors, (75), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:31:40,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:31:40,667 INFO L93 Difference]: Finished difference Result 131 states and 218 transitions. [2022-07-13 11:31:40,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:31:40,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-07-13 11:31:40,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:31:40,678 INFO L225 Difference]: With dead ends: 131 [2022-07-13 11:31:40,678 INFO L226 Difference]: Without dead ends: 79 [2022-07-13 11:31:40,681 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 [2022-07-13 11:31:40,686 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 59 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 11:31:40,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 122 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 11:31:40,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-07-13 11:31:40,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-07-13 11:31:40,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 78 states have (on average 1.5512820512820513) internal successors, (121), 78 states have internal predecessors, (121), 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) [2022-07-13 11:31:40,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 121 transitions. [2022-07-13 11:31:40,719 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 121 transitions. Word has length 5 [2022-07-13 11:31:40,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:31:40,720 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 121 transitions. [2022-07-13 11:31:40,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:31:40,720 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 121 transitions. [2022-07-13 11:31:40,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-13 11:31:40,721 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:31:40,721 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:31:40,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 11:31:40,722 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:31:40,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:31:40,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1485309586, now seen corresponding path program 1 times [2022-07-13 11:31:40,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:31:40,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675426107] [2022-07-13 11:31:40,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:31:40,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:31:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:31:40,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:31:40,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:31:40,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675426107] [2022-07-13 11:31:40,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675426107] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:31:40,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:31:40,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:31:40,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100803154] [2022-07-13 11:31:40,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:31:40,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:31:40,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:31:40,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:31:40,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:31:40,752 INFO L87 Difference]: Start difference. First operand 79 states and 121 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-07-13 11:31:40,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:31:40,792 INFO L93 Difference]: Finished difference Result 156 states and 246 transitions. [2022-07-13 11:31:40,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:31:40,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2022-07-13 11:31:40,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:31:40,794 INFO L225 Difference]: With dead ends: 156 [2022-07-13 11:31:40,795 INFO L226 Difference]: Without dead ends: 116 [2022-07-13 11:31:40,795 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 [2022-07-13 11:31:40,796 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 51 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 11:31:40,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 161 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 11:31:40,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-07-13 11:31:40,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2022-07-13 11:31:40,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.5217391304347827) internal successors, (175), 115 states have internal predecessors, (175), 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) [2022-07-13 11:31:40,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 175 transitions. [2022-07-13 11:31:40,810 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 175 transitions. Word has length 10 [2022-07-13 11:31:40,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:31:40,810 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 175 transitions. [2022-07-13 11:31:40,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-07-13 11:31:40,811 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 175 transitions. [2022-07-13 11:31:40,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-13 11:31:40,812 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:31:40,812 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:31:40,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 11:31:40,812 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:31:40,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:31:40,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1152886494, now seen corresponding path program 1 times [2022-07-13 11:31:40,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:31:40,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616352661] [2022-07-13 11:31:40,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:31:40,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:31:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:31:40,848 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 11:31:40,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:31:40,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616352661] [2022-07-13 11:31:40,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616352661] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:31:40,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:31:40,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:31:40,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505067770] [2022-07-13 11:31:40,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:31:40,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:31:40,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:31:40,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:31:40,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:31:40,851 INFO L87 Difference]: Start difference. First operand 116 states and 175 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:31:40,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:31:40,913 INFO L93 Difference]: Finished difference Result 230 states and 355 transitions. [2022-07-13 11:31:40,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:31:40,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-07-13 11:31:40,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:31:40,915 INFO L225 Difference]: With dead ends: 230 [2022-07-13 11:31:40,915 INFO L226 Difference]: Without dead ends: 153 [2022-07-13 11:31:40,916 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 [2022-07-13 11:31:40,917 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 52 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 11:31:40,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 164 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 11:31:40,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-07-13 11:31:40,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2022-07-13 11:31:40,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 152 states have (on average 1.513157894736842) internal successors, (230), 152 states have internal predecessors, (230), 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) [2022-07-13 11:31:40,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 230 transitions. [2022-07-13 11:31:40,933 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 230 transitions. Word has length 16 [2022-07-13 11:31:40,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:31:40,934 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 230 transitions. [2022-07-13 11:31:40,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:31:40,934 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 230 transitions. [2022-07-13 11:31:40,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-13 11:31:40,935 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:31:40,936 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:31:40,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 11:31:40,936 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:31:40,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:31:40,937 INFO L85 PathProgramCache]: Analyzing trace with hash -77104047, now seen corresponding path program 1 times [2022-07-13 11:31:40,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:31:40,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218478693] [2022-07-13 11:31:40,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:31:40,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:31:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:31:40,988 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 11:31:40,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:31:40,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218478693] [2022-07-13 11:31:40,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218478693] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:31:40,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:31:40,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:31:40,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966166262] [2022-07-13 11:31:40,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:31:40,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:31:40,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:31:40,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:31:40,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:31:40,999 INFO L87 Difference]: Start difference. First operand 153 states and 230 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-07-13 11:31:41,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:31:41,091 INFO L93 Difference]: Finished difference Result 321 states and 484 transitions. [2022-07-13 11:31:41,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:31:41,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 31 [2022-07-13 11:31:41,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:31:41,093 INFO L225 Difference]: With dead ends: 321 [2022-07-13 11:31:41,093 INFO L226 Difference]: Without dead ends: 170 [2022-07-13 11:31:41,097 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 [2022-07-13 11:31:41,098 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 2 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 11:31:41,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 91 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 11:31:41,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-07-13 11:31:41,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 168. [2022-07-13 11:31:41,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 167 states have (on average 1.473053892215569) internal successors, (246), 167 states have internal predecessors, (246), 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) [2022-07-13 11:31:41,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 246 transitions. [2022-07-13 11:31:41,116 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 246 transitions. Word has length 31 [2022-07-13 11:31:41,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:31:41,116 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 246 transitions. [2022-07-13 11:31:41,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-07-13 11:31:41,117 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 246 transitions. [2022-07-13 11:31:41,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-13 11:31:41,118 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:31:41,118 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:31:41,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 11:31:41,119 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:31:41,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:31:41,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1611839695, now seen corresponding path program 1 times [2022-07-13 11:31:41,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:31:41,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501431486] [2022-07-13 11:31:41,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:31:41,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:31:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:31:41,153 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-13 11:31:41,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:31:41,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501431486] [2022-07-13 11:31:41,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501431486] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:31:41,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:31:41,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:31:41,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880170365] [2022-07-13 11:31:41,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:31:41,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:31:41,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:31:41,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:31:41,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:31:41,156 INFO L87 Difference]: Start difference. First operand 168 states and 246 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:31:41,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:31:41,216 INFO L93 Difference]: Finished difference Result 378 states and 567 transitions. [2022-07-13 11:31:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:31:41,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-07-13 11:31:41,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:31:41,218 INFO L225 Difference]: With dead ends: 378 [2022-07-13 11:31:41,218 INFO L226 Difference]: Without dead ends: 212 [2022-07-13 11:31:41,219 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 [2022-07-13 11:31:41,220 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 17 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 11:31:41,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 86 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 11:31:41,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-07-13 11:31:41,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 207. [2022-07-13 11:31:41,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 206 states have (on average 1.383495145631068) internal successors, (285), 206 states have internal predecessors, (285), 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) [2022-07-13 11:31:41,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 285 transitions. [2022-07-13 11:31:41,253 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 285 transitions. Word has length 31 [2022-07-13 11:31:41,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:31:41,254 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 285 transitions. [2022-07-13 11:31:41,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:31:41,254 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 285 transitions. [2022-07-13 11:31:41,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-13 11:31:41,256 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:31:41,256 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:31:41,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 11:31:41,257 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:31:41,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:31:41,257 INFO L85 PathProgramCache]: Analyzing trace with hash -359756882, now seen corresponding path program 1 times [2022-07-13 11:31:41,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:31:41,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686389912] [2022-07-13 11:31:41,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:31:41,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:31:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:31:41,296 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-13 11:31:41,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:31:41,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686389912] [2022-07-13 11:31:41,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686389912] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:31:41,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:31:41,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:31:41,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741398552] [2022-07-13 11:31:41,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:31:41,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:31:41,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:31:41,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:31:41,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:31:41,299 INFO L87 Difference]: Start difference. First operand 207 states and 285 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-07-13 11:31:41,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:31:41,329 INFO L93 Difference]: Finished difference Result 414 states and 577 transitions. [2022-07-13 11:31:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:31:41,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 45 [2022-07-13 11:31:41,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:31:41,331 INFO L225 Difference]: With dead ends: 414 [2022-07-13 11:31:41,331 INFO L226 Difference]: Without dead ends: 264 [2022-07-13 11:31:41,332 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 [2022-07-13 11:31:41,333 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 40 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 11:31:41,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 163 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 11:31:41,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2022-07-13 11:31:41,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 262. [2022-07-13 11:31:41,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 261 states have (on average 1.3793103448275863) internal successors, (360), 261 states have internal predecessors, (360), 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) [2022-07-13 11:31:41,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 360 transitions. [2022-07-13 11:31:41,350 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 360 transitions. Word has length 45 [2022-07-13 11:31:41,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:31:41,350 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 360 transitions. [2022-07-13 11:31:41,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-07-13 11:31:41,351 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 360 transitions. [2022-07-13 11:31:41,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-13 11:31:41,352 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:31:41,352 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:31:41,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 11:31:41,353 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:31:41,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:31:41,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1572307813, now seen corresponding path program 1 times [2022-07-13 11:31:41,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:31:41,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352882253] [2022-07-13 11:31:41,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:31:41,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:31:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:31:41,397 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-13 11:31:41,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:31:41,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352882253] [2022-07-13 11:31:41,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352882253] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:31:41,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:31:41,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:31:41,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851567171] [2022-07-13 11:31:41,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:31:41,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:31:41,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:31:41,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:31:41,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:31:41,412 INFO L87 Difference]: Start difference. First operand 262 states and 360 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2022-07-13 11:31:41,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:31:41,503 INFO L93 Difference]: Finished difference Result 520 states and 731 transitions. [2022-07-13 11:31:41,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:31:41,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 48 [2022-07-13 11:31:41,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:31:41,507 INFO L225 Difference]: With dead ends: 520 [2022-07-13 11:31:41,507 INFO L226 Difference]: Without dead ends: 182 [2022-07-13 11:31:41,508 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 [2022-07-13 11:31:41,512 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 21 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 11:31:41,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 80 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 11:31:41,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-07-13 11:31:41,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2022-07-13 11:31:41,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.2921348314606742) internal successors, (230), 178 states have internal predecessors, (230), 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) [2022-07-13 11:31:41,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 230 transitions. [2022-07-13 11:31:41,541 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 230 transitions. Word has length 48 [2022-07-13 11:31:41,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:31:41,542 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 230 transitions. [2022-07-13 11:31:41,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2022-07-13 11:31:41,542 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 230 transitions. [2022-07-13 11:31:41,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-07-13 11:31:41,544 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:31:41,545 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:31:41,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 11:31:41,545 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:31:41,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:31:41,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1927293386, now seen corresponding path program 1 times [2022-07-13 11:31:41,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:31:41,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515311897] [2022-07-13 11:31:41,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:31:41,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:31:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:31:41,631 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-13 11:31:41,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:31:41,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515311897] [2022-07-13 11:31:41,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515311897] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:31:41,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:31:41,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:31:41,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534990984] [2022-07-13 11:31:41,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:31:41,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:31:41,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:31:41,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:31:41,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:31:41,633 INFO L87 Difference]: Start difference. First operand 179 states and 230 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-07-13 11:31:41,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:31:41,647 INFO L93 Difference]: Finished difference Result 271 states and 328 transitions. [2022-07-13 11:31:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:31:41,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 76 [2022-07-13 11:31:41,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:31:41,648 INFO L225 Difference]: With dead ends: 271 [2022-07-13 11:31:41,648 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 11:31:41,649 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 [2022-07-13 11:31:41,650 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 2 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 11:31:41,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 125 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 11:31:41,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 11:31:41,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 11:31:41,651 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) [2022-07-13 11:31:41,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 11:31:41,651 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2022-07-13 11:31:41,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:31:41,651 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 11:31:41,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-07-13 11:31:41,652 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 11:31:41,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 11:31:41,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 11:31:41,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 11:31:41,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 11:31:41,913 INFO L902 garLoopResultBuilder]: At program point L225(lines 20 229) the Hoare annotation is: true [2022-07-13 11:31:41,913 INFO L899 garLoopResultBuilder]: For program point L126(lines 126 130) no Hoare annotation was computed. [2022-07-13 11:31:41,913 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 207) no Hoare annotation was computed. [2022-07-13 11:31:41,913 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 186) no Hoare annotation was computed. [2022-07-13 11:31:41,913 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2022-07-13 11:31:41,913 INFO L895 garLoopResultBuilder]: At program point L85(lines 84 195) the Hoare annotation is: (let ((.cse0 (<= 8672 |ULTIMATE.start_main_~s__state~0#1|))) (or (and .cse0 (= |ULTIMATE.start_main_~blastFlag~0#1| 0)) (and .cse0 (= |ULTIMATE.start_main_~blastFlag~0#1| 2)) (and .cse0 (= |ULTIMATE.start_main_~blastFlag~0#1| 1)) (and .cse0 (= |ULTIMATE.start_main_~blastFlag~0#1| 3)))) [2022-07-13 11:31:41,913 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 211) no Hoare annotation was computed. [2022-07-13 11:31:41,914 INFO L895 garLoopResultBuilder]: At program point L77(lines 76 199) the Hoare annotation is: (let ((.cse0 (<= 8640 |ULTIMATE.start_main_~s__state~0#1|))) (or (and .cse0 (= |ULTIMATE.start_main_~blastFlag~0#1| 0)) (and (= |ULTIMATE.start_main_~blastFlag~0#1| 1) .cse0) (and (not (= |ULTIMATE.start_main_~s__hit~0#1| 0)) (= |ULTIMATE.start_main_~blastFlag~0#1| 3) .cse0) (and (= |ULTIMATE.start_main_~blastFlag~0#1| 2) .cse0))) [2022-07-13 11:31:41,914 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 215) no Hoare annotation was computed. [2022-07-13 11:31:41,914 INFO L895 garLoopResultBuilder]: At program point L69(lines 68 203) the Hoare annotation is: (or (= (+ (- 2) |ULTIMATE.start_main_~blastFlag~0#1|) 0) (= |ULTIMATE.start_main_~blastFlag~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~blastFlag~0#1|) 0)) [2022-07-13 11:31:41,914 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 11:31:41,914 INFO L895 garLoopResultBuilder]: At program point L61(lines 60 207) the Hoare annotation is: (or (= (+ (- 2) |ULTIMATE.start_main_~blastFlag~0#1|) 0) (= |ULTIMATE.start_main_~blastFlag~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~blastFlag~0#1|) 0)) [2022-07-13 11:31:41,914 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 11:31:41,914 INFO L895 garLoopResultBuilder]: At program point L185(lines 20 229) the Hoare annotation is: false [2022-07-13 11:31:41,914 INFO L895 garLoopResultBuilder]: At program point L53(lines 52 211) the Hoare annotation is: (or (= (+ (- 2) |ULTIMATE.start_main_~blastFlag~0#1|) 0) (= |ULTIMATE.start_main_~blastFlag~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~blastFlag~0#1|) 0)) [2022-07-13 11:31:41,914 INFO L895 garLoopResultBuilder]: At program point L45(lines 44 215) the Hoare annotation is: (or (= (+ (- 2) |ULTIMATE.start_main_~blastFlag~0#1|) 0) (= |ULTIMATE.start_main_~blastFlag~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~blastFlag~0#1|) 0)) [2022-07-13 11:31:41,914 INFO L902 garLoopResultBuilder]: At program point L228(lines 20 229) the Hoare annotation is: true [2022-07-13 11:31:41,914 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 197) no Hoare annotation was computed. [2022-07-13 11:31:41,915 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 201) no Hoare annotation was computed. [2022-07-13 11:31:41,915 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 86 195) no Hoare annotation was computed. [2022-07-13 11:31:41,915 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 205) no Hoare annotation was computed. [2022-07-13 11:31:41,915 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 86 195) no Hoare annotation was computed. [2022-07-13 11:31:41,915 INFO L895 garLoopResultBuilder]: At program point L188(lines 34 223) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~blastFlag~0#1| 3))) (or (= |ULTIMATE.start_main_~blastFlag~0#1| 1) (and (not (= |ULTIMATE.start_main_~s__hit~0#1| 0)) .cse0 (<= 8640 |ULTIMATE.start_main_~s__state~0#1|)) (= |ULTIMATE.start_main_~blastFlag~0#1| 2) (and (<= 8672 |ULTIMATE.start_main_~s__state~0#1|) .cse0) (= |ULTIMATE.start_main_~blastFlag~0#1| 0))) [2022-07-13 11:31:41,915 INFO L899 garLoopResultBuilder]: For program point L56(lines 56 209) no Hoare annotation was computed. [2022-07-13 11:31:41,915 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 151) no Hoare annotation was computed. [2022-07-13 11:31:41,915 INFO L895 garLoopResultBuilder]: At program point L81(lines 80 197) the Hoare annotation is: (let ((.cse0 (<= 8640 |ULTIMATE.start_main_~s__state~0#1|))) (or (and .cse0 (= |ULTIMATE.start_main_~blastFlag~0#1| 0)) (and (= |ULTIMATE.start_main_~blastFlag~0#1| 1) .cse0) (and (not (= |ULTIMATE.start_main_~s__hit~0#1| 0)) (= |ULTIMATE.start_main_~blastFlag~0#1| 3) .cse0) (and (= |ULTIMATE.start_main_~blastFlag~0#1| 2) .cse0))) [2022-07-13 11:31:41,915 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 213) no Hoare annotation was computed. [2022-07-13 11:31:41,916 INFO L895 garLoopResultBuilder]: At program point L73(lines 72 201) the Hoare annotation is: (or (= (+ (- 2) |ULTIMATE.start_main_~blastFlag~0#1|) 0) (= |ULTIMATE.start_main_~blastFlag~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~blastFlag~0#1|) 0)) [2022-07-13 11:31:41,916 INFO L895 garLoopResultBuilder]: At program point L65(lines 64 205) the Hoare annotation is: (or (= (+ (- 2) |ULTIMATE.start_main_~blastFlag~0#1|) 0) (= |ULTIMATE.start_main_~blastFlag~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~blastFlag~0#1|) 0)) [2022-07-13 11:31:41,916 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 11:31:41,916 INFO L895 garLoopResultBuilder]: At program point L57(lines 56 209) the Hoare annotation is: (or (= (+ (- 2) |ULTIMATE.start_main_~blastFlag~0#1|) 0) (= |ULTIMATE.start_main_~blastFlag~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~blastFlag~0#1|) 0)) [2022-07-13 11:31:41,916 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 90 92) no Hoare annotation was computed. [2022-07-13 11:31:41,916 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 227) no Hoare annotation was computed. [2022-07-13 11:31:41,916 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 86 195) no Hoare annotation was computed. [2022-07-13 11:31:41,916 INFO L895 garLoopResultBuilder]: At program point L49(lines 48 213) the Hoare annotation is: (let ((.cse0 (= (+ (- 8512) |ULTIMATE.start_main_~s__state~0#1|) 0))) (or (and .cse0 (= (+ (- 1) |ULTIMATE.start_main_~blastFlag~0#1|) 0)) (and (= |ULTIMATE.start_main_~blastFlag~0#1| 0) .cse0) (and (= (+ (- 2) |ULTIMATE.start_main_~blastFlag~0#1|) 0) .cse0))) [2022-07-13 11:31:41,916 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 216) no Hoare annotation was computed. [2022-07-13 11:31:41,916 INFO L895 garLoopResultBuilder]: At program point L132(lines 125 134) the Hoare annotation is: (or (= (+ (- 2) |ULTIMATE.start_main_~blastFlag~0#1|) 0) (= |ULTIMATE.start_main_~blastFlag~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~blastFlag~0#1|) 0)) [2022-07-13 11:31:41,917 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 11:31:41,917 INFO L895 garLoopResultBuilder]: At program point L124(lines 117 135) the Hoare annotation is: (or (= (+ (- 2) |ULTIMATE.start_main_~blastFlag~0#1|) 0) (= |ULTIMATE.start_main_~blastFlag~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~blastFlag~0#1|) 0)) [2022-07-13 11:31:41,920 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 174 176) no Hoare annotation was computed. [2022-07-13 11:31:41,920 INFO L895 garLoopResultBuilder]: At program point L42(lines 41 216) the Hoare annotation is: (or (= (+ (- 2) |ULTIMATE.start_main_~blastFlag~0#1|) 0) (= |ULTIMATE.start_main_~blastFlag~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~blastFlag~0#1|) 0)) [2022-07-13 11:31:41,920 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 135) no Hoare annotation was computed. [2022-07-13 11:31:41,920 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 195) no Hoare annotation was computed. [2022-07-13 11:31:41,921 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 199) no Hoare annotation was computed. [2022-07-13 11:31:41,921 INFO L899 garLoopResultBuilder]: For program point L68(lines 68 203) no Hoare annotation was computed. [2022-07-13 11:31:41,921 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-07-13 11:31:41,929 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:31:41,931 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 11:31:41,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 11:31:41 BoogieIcfgContainer [2022-07-13 11:31:41,958 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 11:31:41,959 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 11:31:41,959 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 11:31:41,963 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 11:31:41,963 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:31:40" (3/4) ... [2022-07-13 11:31:41,965 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 11:31:41,973 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-07-13 11:31:41,974 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 11:31:41,974 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 11:31:41,974 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 11:31:42,018 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 11:31:42,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 11:31:42,019 INFO L158 Benchmark]: Toolchain (without parser) took 2478.04ms. Allocated memory was 86.0MB in the beginning and 138.4MB in the end (delta: 52.4MB). Free memory was 62.7MB in the beginning and 110.5MB in the end (delta: -47.9MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2022-07-13 11:31:42,019 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory was 60.0MB in the beginning and 60.0MB in the end (delta: 36.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 11:31:42,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.41ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 62.5MB in the beginning and 84.9MB in the end (delta: -22.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 11:31:42,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.92ms. Allocated memory is still 115.3MB. Free memory was 84.7MB in the beginning and 83.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 11:31:42,021 INFO L158 Benchmark]: Boogie Preprocessor took 27.11ms. Allocated memory is still 115.3MB. Free memory was 83.2MB in the beginning and 82.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 11:31:42,021 INFO L158 Benchmark]: RCFGBuilder took 341.66ms. Allocated memory is still 115.3MB. Free memory was 81.9MB in the beginning and 69.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-13 11:31:42,021 INFO L158 Benchmark]: TraceAbstraction took 1719.38ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 69.0MB in the beginning and 113.7MB in the end (delta: -44.6MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2022-07-13 11:31:42,022 INFO L158 Benchmark]: Witness Printer took 59.90ms. Allocated memory is still 138.4MB. Free memory was 113.7MB in the beginning and 110.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 11:31:42,025 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory was 60.0MB in the beginning and 60.0MB in the end (delta: 36.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.41ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 62.5MB in the beginning and 84.9MB in the end (delta: -22.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.92ms. Allocated memory is still 115.3MB. Free memory was 84.7MB in the beginning and 83.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.11ms. Allocated memory is still 115.3MB. Free memory was 83.2MB in the beginning and 82.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 341.66ms. Allocated memory is still 115.3MB. Free memory was 81.9MB in the beginning and 69.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1719.38ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 69.0MB in the beginning and 113.7MB in the end (delta: -44.6MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Witness Printer took 59.90ms. Allocated memory is still 138.4MB. Free memory was 113.7MB in the beginning and 110.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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: 227]: 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, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 8, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 244 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 244 mSDsluCounter, 992 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 321 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 238 IncrementalHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 671 mSDtfsCounter, 238 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=262occurred in iteration=6, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 12 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 18 PreInvPairs, 85 NumberOfFragments, 298 HoareAnnotationTreeSize, 18 FomulaSimplifications, 124 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 18 FomulaSimplificationsInter, 71 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 516 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 218/218 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: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (-2 + blastFlag == 0 || blastFlag == 0) || -1 + blastFlag == 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: (((8672 <= s__state && blastFlag == 0) || (8672 <= s__state && blastFlag == 2)) || (8672 <= s__state && blastFlag == 1)) || (8672 <= s__state && blastFlag == 3) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: (((8640 <= s__state && blastFlag == 0) || (blastFlag == 1 && 8640 <= s__state)) || ((!(s__hit == 0) && blastFlag == 3) && 8640 <= s__state)) || (blastFlag == 2 && 8640 <= s__state) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: (-2 + blastFlag == 0 || blastFlag == 0) || -1 + blastFlag == 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: (((8640 <= s__state && blastFlag == 0) || (blastFlag == 1 && 8640 <= s__state)) || ((!(s__hit == 0) && blastFlag == 3) && 8640 <= s__state)) || (blastFlag == 2 && 8640 <= s__state) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: (-2 + blastFlag == 0 || blastFlag == 0) || -1 + blastFlag == 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: ((-8512 + s__state == 0 && -1 + blastFlag == 0) || (blastFlag == 0 && -8512 + s__state == 0)) || (-2 + blastFlag == 0 && -8512 + s__state == 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: (-2 + blastFlag == 0 || blastFlag == 0) || -1 + blastFlag == 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (-2 + blastFlag == 0 || blastFlag == 0) || -1 + blastFlag == 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (-2 + blastFlag == 0 || blastFlag == 0) || -1 + blastFlag == 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (-2 + blastFlag == 0 || blastFlag == 0) || -1 + blastFlag == 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (-2 + blastFlag == 0 || blastFlag == 0) || -1 + blastFlag == 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: (-2 + blastFlag == 0 || blastFlag == 0) || -1 + blastFlag == 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((blastFlag == 1 || ((!(s__hit == 0) && blastFlag == 3) && 8640 <= s__state)) || blastFlag == 2) || (8672 <= s__state && blastFlag == 3)) || blastFlag == 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (-2 + blastFlag == 0 || blastFlag == 0) || -1 + blastFlag == 0 RESULT: Ultimate proved your program to be correct! [2022-07-13 11:31:42,075 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