./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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_2.cil-1.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 dca428a91d61f16d984f5dd6898f66ec80371948e14839543a0c63f73de1fec4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 08:34:57,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 08:34:57,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 08:34:57,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 08:34:57,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 08:34:57,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 08:34:57,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 08:34:57,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 08:34:57,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 08:34:57,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 08:34:57,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 08:34:57,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 08:34:57,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 08:34:57,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 08:34:57,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 08:34:57,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 08:34:57,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 08:34:57,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 08:34:57,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 08:34:57,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 08:34:57,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 08:34:57,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 08:34:57,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 08:34:57,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 08:34:57,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 08:34:57,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 08:34:57,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 08:34:57,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 08:34:57,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 08:34:57,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 08:34:57,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 08:34:57,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 08:34:57,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 08:34:57,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 08:34:57,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 08:34:57,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 08:34:57,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 08:34:57,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 08:34:57,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 08:34:57,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 08:34:57,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 08:34:57,705 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 08:34:57,732 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 08:34:57,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 08:34:57,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 08:34:57,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 08:34:57,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 08:34:57,734 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 08:34:57,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 08:34:57,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 08:34:57,735 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 08:34:57,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 08:34:57,736 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 08:34:57,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 08:34:57,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 08:34:57,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 08:34:57,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 08:34:57,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 08:34:57,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 08:34:57,737 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 08:34:57,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 08:34:57,737 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 08:34:57,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 08:34:57,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 08:34:57,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 08:34:57,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 08:34:57,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 08:34:57,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 08:34:57,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 08:34:57,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 08:34:57,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 08:34:57,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 08:34:57,740 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 08:34:57,741 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 08:34:57,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 08:34:57,741 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 08:34:57,741 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dca428a91d61f16d984f5dd6898f66ec80371948e14839543a0c63f73de1fec4 [2021-12-22 08:34:57,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 08:34:57,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 08:34:57,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 08:34:57,951 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 08:34:57,951 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 08:34:57,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c [2021-12-22 08:34:57,996 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f3affd2a/f5214e07b7e64cbaa3908afd1b457597/FLAG3ef6002ca [2021-12-22 08:34:58,390 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 08:34:58,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c [2021-12-22 08:34:58,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f3affd2a/f5214e07b7e64cbaa3908afd1b457597/FLAG3ef6002ca [2021-12-22 08:34:58,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f3affd2a/f5214e07b7e64cbaa3908afd1b457597 [2021-12-22 08:34:58,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 08:34:58,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 08:34:58,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 08:34:58,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 08:34:58,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 08:34:58,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:34:58" (1/1) ... [2021-12-22 08:34:58,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b13047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:34:58, skipping insertion in model container [2021-12-22 08:34:58,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:34:58" (1/1) ... [2021-12-22 08:34:58,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 08:34:58,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 08:34:58,665 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_2.cil-1.c[42877,42890] [2021-12-22 08:34:58,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 08:34:58,685 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 08:34:58,733 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_2.cil-1.c[42877,42890] [2021-12-22 08:34:58,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 08:34:58,749 INFO L208 MainTranslator]: Completed translation [2021-12-22 08:34:58,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:34:58 WrapperNode [2021-12-22 08:34:58,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 08:34:58,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 08:34:58,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 08:34:58,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 08:34:58,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:34:58" (1/1) ... [2021-12-22 08:34:58,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:34:58" (1/1) ... [2021-12-22 08:34:58,812 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 546 [2021-12-22 08:34:58,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 08:34:58,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 08:34:58,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 08:34:58,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 08:34:58,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:34:58" (1/1) ... [2021-12-22 08:34:58,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:34:58" (1/1) ... [2021-12-22 08:34:58,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:34:58" (1/1) ... [2021-12-22 08:34:58,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:34:58" (1/1) ... [2021-12-22 08:34:58,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:34:58" (1/1) ... [2021-12-22 08:34:58,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:34:58" (1/1) ... [2021-12-22 08:34:58,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:34:58" (1/1) ... [2021-12-22 08:34:58,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 08:34:58,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 08:34:58,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 08:34:58,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 08:34:58,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:34:58" (1/1) ... [2021-12-22 08:34:58,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 08:34:58,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 08:34:58,879 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) [2021-12-22 08:34:58,885 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 [2021-12-22 08:34:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 08:34:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 08:34:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 08:34:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 08:34:58,968 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 08:34:58,970 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 08:34:58,980 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-22 08:34:59,421 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-22 08:34:59,422 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-22 08:34:59,424 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 08:34:59,430 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 08:34:59,431 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 08:34:59,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:34:59 BoogieIcfgContainer [2021-12-22 08:34:59,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 08:34:59,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 08:34:59,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 08:34:59,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 08:34:59,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 08:34:58" (1/3) ... [2021-12-22 08:34:59,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43181fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 08:34:59, skipping insertion in model container [2021-12-22 08:34:59,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:34:58" (2/3) ... [2021-12-22 08:34:59,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43181fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 08:34:59, skipping insertion in model container [2021-12-22 08:34:59,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:34:59" (3/3) ... [2021-12-22 08:34:59,441 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.cil-1.c [2021-12-22 08:34:59,447 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 08:34:59,448 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 08:34:59,485 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 08:34:59,492 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 08:34:59,492 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 08:34:59,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 139 states have (on average 1.7266187050359711) internal successors, (240), 140 states have internal predecessors, (240), 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) [2021-12-22 08:34:59,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-12-22 08:34:59,515 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:34:59,515 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:34:59,516 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:34:59,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:34:59,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1632005994, now seen corresponding path program 1 times [2021-12-22 08:34:59,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:34:59,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737615435] [2021-12-22 08:34:59,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:34:59,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:34:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:34:59,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:34:59,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:34:59,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737615435] [2021-12-22 08:34:59,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737615435] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:34:59,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:34:59,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:34:59,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086844469] [2021-12-22 08:34:59,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:34:59,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:34:59,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:34:59,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:34:59,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:34:59,787 INFO L87 Difference]: Start difference. First operand has 141 states, 139 states have (on average 1.7266187050359711) internal successors, (240), 140 states have internal predecessors, (240), 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 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-12-22 08:34:59,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:34:59,969 INFO L93 Difference]: Finished difference Result 328 states and 564 transitions. [2021-12-22 08:34:59,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:34:59,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2021-12-22 08:34:59,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:34:59,977 INFO L225 Difference]: With dead ends: 328 [2021-12-22 08:34:59,978 INFO L226 Difference]: Without dead ends: 175 [2021-12-22 08:34:59,980 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:34:59,982 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 170 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:34:59,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 190 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:34:59,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-12-22 08:35:00,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 170. [2021-12-22 08:35:00,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 169 states have (on average 1.6272189349112427) internal successors, (275), 169 states have internal predecessors, (275), 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) [2021-12-22 08:35:00,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 275 transitions. [2021-12-22 08:35:00,013 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 275 transitions. Word has length 44 [2021-12-22 08:35:00,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:00,013 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 275 transitions. [2021-12-22 08:35:00,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-12-22 08:35:00,014 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 275 transitions. [2021-12-22 08:35:00,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-22 08:35:00,019 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:00,028 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:00,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 08:35:00,028 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:00,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:00,031 INFO L85 PathProgramCache]: Analyzing trace with hash -954576436, now seen corresponding path program 1 times [2021-12-22 08:35:00,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:00,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019837171] [2021-12-22 08:35:00,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:00,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:00,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:35:00,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:00,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019837171] [2021-12-22 08:35:00,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019837171] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:00,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:00,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:00,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129090980] [2021-12-22 08:35:00,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:00,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:00,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:00,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:00,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:00,076 INFO L87 Difference]: Start difference. First operand 170 states and 275 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-12-22 08:35:00,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:00,195 INFO L93 Difference]: Finished difference Result 380 states and 624 transitions. [2021-12-22 08:35:00,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:00,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 [2021-12-22 08:35:00,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:00,200 INFO L225 Difference]: With dead ends: 380 [2021-12-22 08:35:00,201 INFO L226 Difference]: Without dead ends: 216 [2021-12-22 08:35:00,201 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:00,202 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 129 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:00,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 142 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:00,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-12-22 08:35:00,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 211. [2021-12-22 08:35:00,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 210 states have (on average 1.6761904761904762) internal successors, (352), 210 states have internal predecessors, (352), 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) [2021-12-22 08:35:00,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 352 transitions. [2021-12-22 08:35:00,220 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 352 transitions. Word has length 45 [2021-12-22 08:35:00,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:00,221 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 352 transitions. [2021-12-22 08:35:00,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-12-22 08:35:00,221 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 352 transitions. [2021-12-22 08:35:00,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-12-22 08:35:00,223 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:00,223 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:00,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 08:35:00,225 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:00,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:00,226 INFO L85 PathProgramCache]: Analyzing trace with hash 2071968837, now seen corresponding path program 1 times [2021-12-22 08:35:00,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:00,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964801294] [2021-12-22 08:35:00,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:00,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:00,278 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:35:00,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:00,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964801294] [2021-12-22 08:35:00,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964801294] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:00,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:00,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:00,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871157752] [2021-12-22 08:35:00,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:00,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:00,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:00,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:00,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:00,282 INFO L87 Difference]: Start difference. First operand 211 states and 352 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2021-12-22 08:35:00,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:00,383 INFO L93 Difference]: Finished difference Result 445 states and 750 transitions. [2021-12-22 08:35:00,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:00,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 72 [2021-12-22 08:35:00,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:00,384 INFO L225 Difference]: With dead ends: 445 [2021-12-22 08:35:00,384 INFO L226 Difference]: Without dead ends: 242 [2021-12-22 08:35:00,387 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:00,391 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 136 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:00,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 155 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:00,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-12-22 08:35:00,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2021-12-22 08:35:00,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 241 states have (on average 1.6929460580912863) internal successors, (408), 241 states have internal predecessors, (408), 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) [2021-12-22 08:35:00,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 408 transitions. [2021-12-22 08:35:00,411 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 408 transitions. Word has length 72 [2021-12-22 08:35:00,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:00,412 INFO L470 AbstractCegarLoop]: Abstraction has 242 states and 408 transitions. [2021-12-22 08:35:00,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2021-12-22 08:35:00,412 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 408 transitions. [2021-12-22 08:35:00,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-12-22 08:35:00,414 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:00,414 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:00,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 08:35:00,414 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:00,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:00,414 INFO L85 PathProgramCache]: Analyzing trace with hash -947039589, now seen corresponding path program 1 times [2021-12-22 08:35:00,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:00,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395429856] [2021-12-22 08:35:00,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:00,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-22 08:35:00,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:00,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395429856] [2021-12-22 08:35:00,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395429856] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:00,447 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:00,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:00,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472981875] [2021-12-22 08:35:00,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:00,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:00,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:00,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:00,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:00,448 INFO L87 Difference]: Start difference. First operand 242 states and 408 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2021-12-22 08:35:00,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:00,532 INFO L93 Difference]: Finished difference Result 493 states and 832 transitions. [2021-12-22 08:35:00,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:00,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 84 [2021-12-22 08:35:00,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:00,535 INFO L225 Difference]: With dead ends: 493 [2021-12-22 08:35:00,535 INFO L226 Difference]: Without dead ends: 259 [2021-12-22 08:35:00,535 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:00,545 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 158 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:00,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 150 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:00,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-12-22 08:35:00,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 257. [2021-12-22 08:35:00,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 1.68359375) internal successors, (431), 256 states have internal predecessors, (431), 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) [2021-12-22 08:35:00,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 431 transitions. [2021-12-22 08:35:00,557 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 431 transitions. Word has length 84 [2021-12-22 08:35:00,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:00,557 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 431 transitions. [2021-12-22 08:35:00,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2021-12-22 08:35:00,557 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 431 transitions. [2021-12-22 08:35:00,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-12-22 08:35:00,559 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:00,559 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:00,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 08:35:00,559 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:00,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:00,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1168944985, now seen corresponding path program 1 times [2021-12-22 08:35:00,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:00,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58583700] [2021-12-22 08:35:00,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:00,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:00,610 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:35:00,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:00,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58583700] [2021-12-22 08:35:00,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58583700] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:00,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:00,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:00,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323068715] [2021-12-22 08:35:00,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:00,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:00,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:00,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:00,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:00,612 INFO L87 Difference]: Start difference. First operand 257 states and 431 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2021-12-22 08:35:00,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:00,747 INFO L93 Difference]: Finished difference Result 552 states and 931 transitions. [2021-12-22 08:35:00,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:00,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 84 [2021-12-22 08:35:00,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:00,751 INFO L225 Difference]: With dead ends: 552 [2021-12-22 08:35:00,751 INFO L226 Difference]: Without dead ends: 303 [2021-12-22 08:35:00,751 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:00,752 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 133 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:00,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 144 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:00,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-12-22 08:35:00,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2021-12-22 08:35:00,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 298 states have (on average 1.6946308724832215) internal successors, (505), 298 states have internal predecessors, (505), 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) [2021-12-22 08:35:00,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 505 transitions. [2021-12-22 08:35:00,760 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 505 transitions. Word has length 84 [2021-12-22 08:35:00,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:00,762 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 505 transitions. [2021-12-22 08:35:00,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2021-12-22 08:35:00,762 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 505 transitions. [2021-12-22 08:35:00,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-22 08:35:00,764 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:00,764 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:00,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 08:35:00,764 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:00,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:00,767 INFO L85 PathProgramCache]: Analyzing trace with hash 2129818626, now seen corresponding path program 1 times [2021-12-22 08:35:00,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:00,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290228757] [2021-12-22 08:35:00,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:00,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:00,791 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-22 08:35:00,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:00,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290228757] [2021-12-22 08:35:00,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290228757] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:00,791 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:00,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:00,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138816871] [2021-12-22 08:35:00,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:00,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:00,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:00,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:00,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:00,792 INFO L87 Difference]: Start difference. First operand 299 states and 505 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2021-12-22 08:35:00,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:00,872 INFO L93 Difference]: Finished difference Result 592 states and 1000 transitions. [2021-12-22 08:35:00,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:00,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 85 [2021-12-22 08:35:00,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:00,874 INFO L225 Difference]: With dead ends: 592 [2021-12-22 08:35:00,874 INFO L226 Difference]: Without dead ends: 301 [2021-12-22 08:35:00,875 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:00,875 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 157 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:00,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 138 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:00,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-12-22 08:35:00,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 299. [2021-12-22 08:35:00,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 298 states have (on average 1.6812080536912752) internal successors, (501), 298 states have internal predecessors, (501), 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) [2021-12-22 08:35:00,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 501 transitions. [2021-12-22 08:35:00,886 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 501 transitions. Word has length 85 [2021-12-22 08:35:00,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:00,886 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 501 transitions. [2021-12-22 08:35:00,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2021-12-22 08:35:00,887 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 501 transitions. [2021-12-22 08:35:00,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-22 08:35:00,888 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:00,888 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:00,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 08:35:00,888 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:00,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:00,889 INFO L85 PathProgramCache]: Analyzing trace with hash -122958423, now seen corresponding path program 1 times [2021-12-22 08:35:00,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:00,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573358068] [2021-12-22 08:35:00,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:00,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:00,951 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:35:00,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:00,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573358068] [2021-12-22 08:35:00,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573358068] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:00,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:00,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:00,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772636726] [2021-12-22 08:35:00,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:00,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:00,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:00,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:00,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:00,954 INFO L87 Difference]: Start difference. First operand 299 states and 501 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2021-12-22 08:35:01,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:01,064 INFO L93 Difference]: Finished difference Result 594 states and 995 transitions. [2021-12-22 08:35:01,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:01,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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 85 [2021-12-22 08:35:01,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:01,066 INFO L225 Difference]: With dead ends: 594 [2021-12-22 08:35:01,066 INFO L226 Difference]: Without dead ends: 301 [2021-12-22 08:35:01,067 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:01,067 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 130 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:01,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 143 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:01,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-12-22 08:35:01,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 297. [2021-12-22 08:35:01,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 296 states have (on average 1.6756756756756757) internal successors, (496), 296 states have internal predecessors, (496), 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) [2021-12-22 08:35:01,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 496 transitions. [2021-12-22 08:35:01,074 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 496 transitions. Word has length 85 [2021-12-22 08:35:01,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:01,074 INFO L470 AbstractCegarLoop]: Abstraction has 297 states and 496 transitions. [2021-12-22 08:35:01,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2021-12-22 08:35:01,075 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 496 transitions. [2021-12-22 08:35:01,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-12-22 08:35:01,075 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:01,076 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:01,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 08:35:01,076 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:01,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:01,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1553184093, now seen corresponding path program 1 times [2021-12-22 08:35:01,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:01,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029829761] [2021-12-22 08:35:01,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:01,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:01,102 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-22 08:35:01,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:01,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029829761] [2021-12-22 08:35:01,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029829761] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:01,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:01,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:01,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551189358] [2021-12-22 08:35:01,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:01,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:01,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:01,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:01,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:01,104 INFO L87 Difference]: Start difference. First operand 297 states and 496 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2021-12-22 08:35:01,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:01,180 INFO L93 Difference]: Finished difference Result 595 states and 992 transitions. [2021-12-22 08:35:01,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:01,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 97 [2021-12-22 08:35:01,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:01,181 INFO L225 Difference]: With dead ends: 595 [2021-12-22 08:35:01,181 INFO L226 Difference]: Without dead ends: 306 [2021-12-22 08:35:01,182 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:01,182 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 162 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:01,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 149 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:01,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-12-22 08:35:01,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2021-12-22 08:35:01,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 305 states have (on average 1.6459016393442623) internal successors, (502), 305 states have internal predecessors, (502), 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) [2021-12-22 08:35:01,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 502 transitions. [2021-12-22 08:35:01,190 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 502 transitions. Word has length 97 [2021-12-22 08:35:01,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:01,190 INFO L470 AbstractCegarLoop]: Abstraction has 306 states and 502 transitions. [2021-12-22 08:35:01,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2021-12-22 08:35:01,191 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 502 transitions. [2021-12-22 08:35:01,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-12-22 08:35:01,193 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:01,193 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:01,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-22 08:35:01,193 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:01,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:01,194 INFO L85 PathProgramCache]: Analyzing trace with hash -2083521026, now seen corresponding path program 1 times [2021-12-22 08:35:01,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:01,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976089791] [2021-12-22 08:35:01,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:01,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:01,234 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-22 08:35:01,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:01,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976089791] [2021-12-22 08:35:01,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976089791] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:01,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:01,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:01,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389541962] [2021-12-22 08:35:01,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:01,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:01,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:01,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:01,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:01,236 INFO L87 Difference]: Start difference. First operand 306 states and 502 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-12-22 08:35:01,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:01,323 INFO L93 Difference]: Finished difference Result 635 states and 1045 transitions. [2021-12-22 08:35:01,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:01,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 98 [2021-12-22 08:35:01,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:01,328 INFO L225 Difference]: With dead ends: 635 [2021-12-22 08:35:01,328 INFO L226 Difference]: Without dead ends: 337 [2021-12-22 08:35:01,329 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:01,330 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 141 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:01,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 141 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:01,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-12-22 08:35:01,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2021-12-22 08:35:01,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 334 states have (on average 1.6437125748502994) internal successors, (549), 334 states have internal predecessors, (549), 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) [2021-12-22 08:35:01,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 549 transitions. [2021-12-22 08:35:01,338 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 549 transitions. Word has length 98 [2021-12-22 08:35:01,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:01,339 INFO L470 AbstractCegarLoop]: Abstraction has 335 states and 549 transitions. [2021-12-22 08:35:01,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-12-22 08:35:01,339 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 549 transitions. [2021-12-22 08:35:01,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-22 08:35:01,340 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:01,340 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:01,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-22 08:35:01,340 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:01,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:01,341 INFO L85 PathProgramCache]: Analyzing trace with hash -102460539, now seen corresponding path program 1 times [2021-12-22 08:35:01,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:01,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132225463] [2021-12-22 08:35:01,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:01,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:01,379 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-22 08:35:01,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:01,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132225463] [2021-12-22 08:35:01,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132225463] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:01,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:01,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:01,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062133820] [2021-12-22 08:35:01,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:01,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:01,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:01,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:01,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:01,381 INFO L87 Difference]: Start difference. First operand 335 states and 549 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2021-12-22 08:35:01,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:01,462 INFO L93 Difference]: Finished difference Result 664 states and 1088 transitions. [2021-12-22 08:35:01,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:01,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 99 [2021-12-22 08:35:01,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:01,464 INFO L225 Difference]: With dead ends: 664 [2021-12-22 08:35:01,464 INFO L226 Difference]: Without dead ends: 337 [2021-12-22 08:35:01,464 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:01,465 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 140 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:01,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 141 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:01,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-12-22 08:35:01,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2021-12-22 08:35:01,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 334 states have (on average 1.6317365269461077) internal successors, (545), 334 states have internal predecessors, (545), 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) [2021-12-22 08:35:01,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 545 transitions. [2021-12-22 08:35:01,473 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 545 transitions. Word has length 99 [2021-12-22 08:35:01,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:01,474 INFO L470 AbstractCegarLoop]: Abstraction has 335 states and 545 transitions. [2021-12-22 08:35:01,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2021-12-22 08:35:01,474 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 545 transitions. [2021-12-22 08:35:01,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-22 08:35:01,475 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:01,475 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:01,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-22 08:35:01,476 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:01,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:01,476 INFO L85 PathProgramCache]: Analyzing trace with hash -651386898, now seen corresponding path program 1 times [2021-12-22 08:35:01,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:01,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017645979] [2021-12-22 08:35:01,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:01,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:01,510 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-22 08:35:01,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:01,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017645979] [2021-12-22 08:35:01,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017645979] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:01,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:01,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:01,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145074390] [2021-12-22 08:35:01,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:01,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:01,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:01,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:01,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:01,511 INFO L87 Difference]: Start difference. First operand 335 states and 545 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 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) [2021-12-22 08:35:01,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:01,631 INFO L93 Difference]: Finished difference Result 697 states and 1138 transitions. [2021-12-22 08:35:01,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:01,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 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) Word has length 100 [2021-12-22 08:35:01,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:01,633 INFO L225 Difference]: With dead ends: 697 [2021-12-22 08:35:01,633 INFO L226 Difference]: Without dead ends: 370 [2021-12-22 08:35:01,634 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:01,634 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 143 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:01,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 149 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:01,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-12-22 08:35:01,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2021-12-22 08:35:01,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 361 states have (on average 1.626038781163435) internal successors, (587), 361 states have internal predecessors, (587), 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) [2021-12-22 08:35:01,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 587 transitions. [2021-12-22 08:35:01,642 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 587 transitions. Word has length 100 [2021-12-22 08:35:01,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:01,643 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 587 transitions. [2021-12-22 08:35:01,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 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) [2021-12-22 08:35:01,644 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 587 transitions. [2021-12-22 08:35:01,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-22 08:35:01,645 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:01,647 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:01,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-22 08:35:01,647 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:01,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:01,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1258189035, now seen corresponding path program 1 times [2021-12-22 08:35:01,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:01,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964244370] [2021-12-22 08:35:01,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:01,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:01,674 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-22 08:35:01,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:01,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964244370] [2021-12-22 08:35:01,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964244370] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:01,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:01,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:01,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398471732] [2021-12-22 08:35:01,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:01,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:01,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:01,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:01,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:01,676 INFO L87 Difference]: Start difference. First operand 362 states and 587 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2021-12-22 08:35:01,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:01,766 INFO L93 Difference]: Finished difference Result 724 states and 1175 transitions. [2021-12-22 08:35:01,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:01,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 101 [2021-12-22 08:35:01,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:01,768 INFO L225 Difference]: With dead ends: 724 [2021-12-22 08:35:01,768 INFO L226 Difference]: Without dead ends: 370 [2021-12-22 08:35:01,769 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:01,770 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 142 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:01,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 149 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:01,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-12-22 08:35:01,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2021-12-22 08:35:01,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 361 states have (on average 1.6121883656509695) internal successors, (582), 361 states have internal predecessors, (582), 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) [2021-12-22 08:35:01,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 582 transitions. [2021-12-22 08:35:01,780 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 582 transitions. Word has length 101 [2021-12-22 08:35:01,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:01,780 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 582 transitions. [2021-12-22 08:35:01,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2021-12-22 08:35:01,780 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 582 transitions. [2021-12-22 08:35:01,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-12-22 08:35:01,781 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:01,781 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:01,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-22 08:35:01,782 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:01,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:01,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1027805126, now seen corresponding path program 1 times [2021-12-22 08:35:01,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:01,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189804977] [2021-12-22 08:35:01,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:01,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:01,809 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-12-22 08:35:01,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:01,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189804977] [2021-12-22 08:35:01,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189804977] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:01,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:01,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:01,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349642136] [2021-12-22 08:35:01,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:01,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:01,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:01,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:01,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:01,811 INFO L87 Difference]: Start difference. First operand 362 states and 582 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2021-12-22 08:35:01,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:01,911 INFO L93 Difference]: Finished difference Result 742 states and 1195 transitions. [2021-12-22 08:35:01,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:01,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 105 [2021-12-22 08:35:01,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:01,913 INFO L225 Difference]: With dead ends: 742 [2021-12-22 08:35:01,913 INFO L226 Difference]: Without dead ends: 388 [2021-12-22 08:35:01,914 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:01,914 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 149 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:01,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 146 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:01,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-12-22 08:35:01,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2021-12-22 08:35:01,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 382 states have (on average 1.5994764397905759) internal successors, (611), 382 states have internal predecessors, (611), 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) [2021-12-22 08:35:01,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 611 transitions. [2021-12-22 08:35:01,923 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 611 transitions. Word has length 105 [2021-12-22 08:35:01,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:01,923 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 611 transitions. [2021-12-22 08:35:01,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2021-12-22 08:35:01,924 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 611 transitions. [2021-12-22 08:35:01,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-22 08:35:01,924 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:01,925 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:01,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-22 08:35:01,925 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:01,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:01,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1570072403, now seen corresponding path program 1 times [2021-12-22 08:35:01,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:01,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878832474] [2021-12-22 08:35:01,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:01,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:01,950 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-12-22 08:35:01,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:01,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878832474] [2021-12-22 08:35:01,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878832474] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:01,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:01,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:01,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157640244] [2021-12-22 08:35:01,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:01,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:01,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:01,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:01,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:01,952 INFO L87 Difference]: Start difference. First operand 383 states and 611 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2021-12-22 08:35:02,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:02,027 INFO L93 Difference]: Finished difference Result 763 states and 1218 transitions. [2021-12-22 08:35:02,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:02,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 106 [2021-12-22 08:35:02,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:02,029 INFO L225 Difference]: With dead ends: 763 [2021-12-22 08:35:02,029 INFO L226 Difference]: Without dead ends: 388 [2021-12-22 08:35:02,030 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:02,030 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 148 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:02,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 146 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:02,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-12-22 08:35:02,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2021-12-22 08:35:02,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 382 states have (on average 1.5837696335078535) internal successors, (605), 382 states have internal predecessors, (605), 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) [2021-12-22 08:35:02,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 605 transitions. [2021-12-22 08:35:02,039 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 605 transitions. Word has length 106 [2021-12-22 08:35:02,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:02,039 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 605 transitions. [2021-12-22 08:35:02,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2021-12-22 08:35:02,040 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 605 transitions. [2021-12-22 08:35:02,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-22 08:35:02,040 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:02,041 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:02,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-22 08:35:02,041 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:02,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:02,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1383340250, now seen corresponding path program 1 times [2021-12-22 08:35:02,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:02,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963116082] [2021-12-22 08:35:02,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:02,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:02,067 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-12-22 08:35:02,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:02,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963116082] [2021-12-22 08:35:02,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963116082] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:02,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:02,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:02,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898842628] [2021-12-22 08:35:02,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:02,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:02,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:02,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:02,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:02,069 INFO L87 Difference]: Start difference. First operand 383 states and 605 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-12-22 08:35:02,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:02,100 INFO L93 Difference]: Finished difference Result 1127 states and 1785 transitions. [2021-12-22 08:35:02,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:02,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 121 [2021-12-22 08:35:02,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:02,103 INFO L225 Difference]: With dead ends: 1127 [2021-12-22 08:35:02,103 INFO L226 Difference]: Without dead ends: 752 [2021-12-22 08:35:02,105 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:02,106 INFO L933 BasicCegarLoop]: 354 mSDtfsCounter, 133 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:02,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 539 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 08:35:02,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2021-12-22 08:35:02,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 752. [2021-12-22 08:35:02,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 751 states have (on average 1.5805592543275633) internal successors, (1187), 751 states have internal predecessors, (1187), 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) [2021-12-22 08:35:02,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1187 transitions. [2021-12-22 08:35:02,122 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1187 transitions. Word has length 121 [2021-12-22 08:35:02,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:02,122 INFO L470 AbstractCegarLoop]: Abstraction has 752 states and 1187 transitions. [2021-12-22 08:35:02,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-12-22 08:35:02,122 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1187 transitions. [2021-12-22 08:35:02,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-22 08:35:02,123 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:02,124 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:02,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-22 08:35:02,124 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:02,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:02,124 INFO L85 PathProgramCache]: Analyzing trace with hash 485946972, now seen corresponding path program 1 times [2021-12-22 08:35:02,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:02,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124347062] [2021-12-22 08:35:02,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:02,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:02,154 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-22 08:35:02,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:02,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124347062] [2021-12-22 08:35:02,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124347062] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:02,157 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:02,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:02,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112685630] [2021-12-22 08:35:02,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:02,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:02,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:02,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:02,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:02,158 INFO L87 Difference]: Start difference. First operand 752 states and 1187 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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) [2021-12-22 08:35:02,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:02,188 INFO L93 Difference]: Finished difference Result 1825 states and 2885 transitions. [2021-12-22 08:35:02,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:02,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 121 [2021-12-22 08:35:02,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:02,192 INFO L225 Difference]: With dead ends: 1825 [2021-12-22 08:35:02,192 INFO L226 Difference]: Without dead ends: 1081 [2021-12-22 08:35:02,193 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:02,195 INFO L933 BasicCegarLoop]: 358 mSDtfsCounter, 135 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:02,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 543 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 08:35:02,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2021-12-22 08:35:02,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 1081. [2021-12-22 08:35:02,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1081 states, 1080 states have (on average 1.5787037037037037) internal successors, (1705), 1080 states have internal predecessors, (1705), 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) [2021-12-22 08:35:02,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1705 transitions. [2021-12-22 08:35:02,219 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1705 transitions. Word has length 121 [2021-12-22 08:35:02,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:02,219 INFO L470 AbstractCegarLoop]: Abstraction has 1081 states and 1705 transitions. [2021-12-22 08:35:02,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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) [2021-12-22 08:35:02,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1705 transitions. [2021-12-22 08:35:02,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-22 08:35:02,221 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:02,221 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:02,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-22 08:35:02,222 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:02,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:02,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1941217889, now seen corresponding path program 1 times [2021-12-22 08:35:02,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:02,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371122715] [2021-12-22 08:35:02,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:02,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:02,253 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-12-22 08:35:02,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:02,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371122715] [2021-12-22 08:35:02,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371122715] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:02,254 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:02,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:02,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602493590] [2021-12-22 08:35:02,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:02,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:02,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:02,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:02,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:02,255 INFO L87 Difference]: Start difference. First operand 1081 states and 1705 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2021-12-22 08:35:02,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:02,364 INFO L93 Difference]: Finished difference Result 2277 states and 3596 transitions. [2021-12-22 08:35:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:02,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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 121 [2021-12-22 08:35:02,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:02,368 INFO L225 Difference]: With dead ends: 2277 [2021-12-22 08:35:02,368 INFO L226 Difference]: Without dead ends: 1204 [2021-12-22 08:35:02,369 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:02,369 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 129 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:02,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 145 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:02,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2021-12-22 08:35:02,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1195. [2021-12-22 08:35:02,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1195 states, 1194 states have (on average 1.5770519262981575) internal successors, (1883), 1194 states have internal predecessors, (1883), 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) [2021-12-22 08:35:02,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 1883 transitions. [2021-12-22 08:35:02,412 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 1883 transitions. Word has length 121 [2021-12-22 08:35:02,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:02,412 INFO L470 AbstractCegarLoop]: Abstraction has 1195 states and 1883 transitions. [2021-12-22 08:35:02,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2021-12-22 08:35:02,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1883 transitions. [2021-12-22 08:35:02,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-22 08:35:02,414 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:02,414 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:02,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-22 08:35:02,415 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:02,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:02,415 INFO L85 PathProgramCache]: Analyzing trace with hash 56372730, now seen corresponding path program 1 times [2021-12-22 08:35:02,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:02,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824340159] [2021-12-22 08:35:02,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:02,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:02,436 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-12-22 08:35:02,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:02,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824340159] [2021-12-22 08:35:02,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824340159] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:02,437 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:02,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:02,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323975727] [2021-12-22 08:35:02,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:02,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:02,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:02,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:02,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:02,438 INFO L87 Difference]: Start difference. First operand 1195 states and 1883 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2021-12-22 08:35:02,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:02,472 INFO L93 Difference]: Finished difference Result 2788 states and 4398 transitions. [2021-12-22 08:35:02,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:02,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 122 [2021-12-22 08:35:02,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:02,476 INFO L225 Difference]: With dead ends: 2788 [2021-12-22 08:35:02,477 INFO L226 Difference]: Without dead ends: 1601 [2021-12-22 08:35:02,478 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:02,478 INFO L933 BasicCegarLoop]: 361 mSDtfsCounter, 154 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:02,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 546 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 08:35:02,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2021-12-22 08:35:02,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1601. [2021-12-22 08:35:02,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1601 states, 1600 states have (on average 1.576875) internal successors, (2523), 1600 states have internal predecessors, (2523), 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) [2021-12-22 08:35:02,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 2523 transitions. [2021-12-22 08:35:02,509 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 2523 transitions. Word has length 122 [2021-12-22 08:35:02,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:02,510 INFO L470 AbstractCegarLoop]: Abstraction has 1601 states and 2523 transitions. [2021-12-22 08:35:02,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2021-12-22 08:35:02,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2523 transitions. [2021-12-22 08:35:02,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-22 08:35:02,512 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:02,512 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:02,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-22 08:35:02,512 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:02,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:02,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1445666744, now seen corresponding path program 1 times [2021-12-22 08:35:02,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:02,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441696430] [2021-12-22 08:35:02,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:02,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:02,530 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-12-22 08:35:02,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:02,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441696430] [2021-12-22 08:35:02,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441696430] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:02,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:02,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:02,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271031700] [2021-12-22 08:35:02,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:02,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:02,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:02,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:02,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:02,532 INFO L87 Difference]: Start difference. First operand 1601 states and 2523 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-12-22 08:35:02,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:02,571 INFO L93 Difference]: Finished difference Result 3583 states and 5649 transitions. [2021-12-22 08:35:02,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:02,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 122 [2021-12-22 08:35:02,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:02,585 INFO L225 Difference]: With dead ends: 3583 [2021-12-22 08:35:02,585 INFO L226 Difference]: Without dead ends: 1990 [2021-12-22 08:35:02,587 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:02,587 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 170 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:02,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 389 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 08:35:02,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1990 states. [2021-12-22 08:35:02,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1990 to 1990. [2021-12-22 08:35:02,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1990 states, 1989 states have (on average 1.5751633986928104) internal successors, (3133), 1989 states have internal predecessors, (3133), 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) [2021-12-22 08:35:02,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1990 states and 3133 transitions. [2021-12-22 08:35:02,622 INFO L78 Accepts]: Start accepts. Automaton has 1990 states and 3133 transitions. Word has length 122 [2021-12-22 08:35:02,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:02,622 INFO L470 AbstractCegarLoop]: Abstraction has 1990 states and 3133 transitions. [2021-12-22 08:35:02,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-12-22 08:35:02,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 3133 transitions. [2021-12-22 08:35:02,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-12-22 08:35:02,625 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:02,625 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:02,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-22 08:35:02,626 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:02,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:02,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1809319208, now seen corresponding path program 1 times [2021-12-22 08:35:02,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:02,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730378282] [2021-12-22 08:35:02,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:02,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:02,650 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-12-22 08:35:02,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:02,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730378282] [2021-12-22 08:35:02,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730378282] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:02,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:02,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:02,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504579072] [2021-12-22 08:35:02,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:02,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:02,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:02,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:02,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:02,651 INFO L87 Difference]: Start difference. First operand 1990 states and 3133 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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) [2021-12-22 08:35:02,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:02,771 INFO L93 Difference]: Finished difference Result 4022 states and 6314 transitions. [2021-12-22 08:35:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:02,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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 199 [2021-12-22 08:35:02,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:02,777 INFO L225 Difference]: With dead ends: 4022 [2021-12-22 08:35:02,777 INFO L226 Difference]: Without dead ends: 2040 [2021-12-22 08:35:02,780 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:02,780 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 50 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:02,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 297 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:02,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2040 states. [2021-12-22 08:35:02,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2040 to 1990. [2021-12-22 08:35:02,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1990 states, 1989 states have (on average 1.5409753645047763) internal successors, (3065), 1989 states have internal predecessors, (3065), 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) [2021-12-22 08:35:02,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1990 states and 3065 transitions. [2021-12-22 08:35:02,847 INFO L78 Accepts]: Start accepts. Automaton has 1990 states and 3065 transitions. Word has length 199 [2021-12-22 08:35:02,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:02,847 INFO L470 AbstractCegarLoop]: Abstraction has 1990 states and 3065 transitions. [2021-12-22 08:35:02,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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) [2021-12-22 08:35:02,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 3065 transitions. [2021-12-22 08:35:02,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-12-22 08:35:02,852 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:02,853 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:02,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-22 08:35:02,853 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:02,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:02,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1550608766, now seen corresponding path program 1 times [2021-12-22 08:35:02,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:02,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683084053] [2021-12-22 08:35:02,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:02,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:02,880 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-12-22 08:35:02,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:02,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683084053] [2021-12-22 08:35:02,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683084053] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:02,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:02,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:02,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563502628] [2021-12-22 08:35:02,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:02,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:02,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:02,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:02,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:02,883 INFO L87 Difference]: Start difference. First operand 1990 states and 3065 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2021-12-22 08:35:03,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:03,011 INFO L93 Difference]: Finished difference Result 4039 states and 6195 transitions. [2021-12-22 08:35:03,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:03,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 213 [2021-12-22 08:35:03,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:03,017 INFO L225 Difference]: With dead ends: 4039 [2021-12-22 08:35:03,017 INFO L226 Difference]: Without dead ends: 2057 [2021-12-22 08:35:03,019 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:03,020 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 152 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:03,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 163 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:03,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2021-12-22 08:35:03,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 1990. [2021-12-22 08:35:03,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1990 states, 1989 states have (on average 1.497737556561086) internal successors, (2979), 1989 states have internal predecessors, (2979), 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) [2021-12-22 08:35:03,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1990 states and 2979 transitions. [2021-12-22 08:35:03,061 INFO L78 Accepts]: Start accepts. Automaton has 1990 states and 2979 transitions. Word has length 213 [2021-12-22 08:35:03,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:03,062 INFO L470 AbstractCegarLoop]: Abstraction has 1990 states and 2979 transitions. [2021-12-22 08:35:03,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2021-12-22 08:35:03,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 2979 transitions. [2021-12-22 08:35:03,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-22 08:35:03,083 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:03,083 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:03,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-22 08:35:03,083 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:03,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:03,084 INFO L85 PathProgramCache]: Analyzing trace with hash -832668616, now seen corresponding path program 1 times [2021-12-22 08:35:03,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:03,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305150388] [2021-12-22 08:35:03,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:03,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:03,132 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-12-22 08:35:03,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:03,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305150388] [2021-12-22 08:35:03,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305150388] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:03,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:03,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:03,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840838533] [2021-12-22 08:35:03,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:03,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:03,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:03,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:03,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:03,135 INFO L87 Difference]: Start difference. First operand 1990 states and 2979 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2021-12-22 08:35:03,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:03,286 INFO L93 Difference]: Finished difference Result 4217 states and 6306 transitions. [2021-12-22 08:35:03,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:03,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 241 [2021-12-22 08:35:03,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:03,293 INFO L225 Difference]: With dead ends: 4217 [2021-12-22 08:35:03,293 INFO L226 Difference]: Without dead ends: 2110 [2021-12-22 08:35:03,295 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:03,296 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 47 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:03,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 288 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:03,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2110 states. [2021-12-22 08:35:03,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2110 to 2060. [2021-12-22 08:35:03,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2060 states, 2059 states have (on average 1.473530840213696) internal successors, (3034), 2059 states have internal predecessors, (3034), 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) [2021-12-22 08:35:03,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 2060 states and 3034 transitions. [2021-12-22 08:35:03,341 INFO L78 Accepts]: Start accepts. Automaton has 2060 states and 3034 transitions. Word has length 241 [2021-12-22 08:35:03,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:03,341 INFO L470 AbstractCegarLoop]: Abstraction has 2060 states and 3034 transitions. [2021-12-22 08:35:03,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2021-12-22 08:35:03,341 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 3034 transitions. [2021-12-22 08:35:03,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-22 08:35:03,345 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:03,345 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:03,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-22 08:35:03,345 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:03,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:03,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1153610059, now seen corresponding path program 1 times [2021-12-22 08:35:03,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:03,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134955600] [2021-12-22 08:35:03,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:03,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:03,395 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-12-22 08:35:03,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:03,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134955600] [2021-12-22 08:35:03,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134955600] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 08:35:03,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857976040] [2021-12-22 08:35:03,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:03,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:35:03,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 08:35:03,398 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 08:35:03,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 08:35:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:03,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-22 08:35:03,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 08:35:03,915 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-12-22 08:35:03,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 08:35:04,184 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-12-22 08:35:04,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857976040] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 08:35:04,184 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 08:35:04,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-12-22 08:35:04,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265708745] [2021-12-22 08:35:04,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 08:35:04,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 08:35:04,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:04,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 08:35:04,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 08:35:04,186 INFO L87 Difference]: Start difference. First operand 2060 states and 3034 transitions. Second operand has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 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) [2021-12-22 08:35:04,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:04,781 INFO L93 Difference]: Finished difference Result 8989 states and 13226 transitions. [2021-12-22 08:35:04,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-22 08:35:04,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 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 253 [2021-12-22 08:35:04,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:04,799 INFO L225 Difference]: With dead ends: 8989 [2021-12-22 08:35:04,800 INFO L226 Difference]: Without dead ends: 6937 [2021-12-22 08:35:04,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-12-22 08:35:04,804 INFO L933 BasicCegarLoop]: 575 mSDtfsCounter, 462 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 1570 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:04,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [462 Valid, 1570 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 08:35:04,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6937 states. [2021-12-22 08:35:04,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6937 to 2845. [2021-12-22 08:35:04,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2845 states, 2844 states have (on average 1.3463431786216595) internal successors, (3829), 2844 states have internal predecessors, (3829), 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) [2021-12-22 08:35:04,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 2845 states and 3829 transitions. [2021-12-22 08:35:04,906 INFO L78 Accepts]: Start accepts. Automaton has 2845 states and 3829 transitions. Word has length 253 [2021-12-22 08:35:04,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:04,906 INFO L470 AbstractCegarLoop]: Abstraction has 2845 states and 3829 transitions. [2021-12-22 08:35:04,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 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) [2021-12-22 08:35:04,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2845 states and 3829 transitions. [2021-12-22 08:35:04,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-22 08:35:04,911 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:04,912 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:04,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-22 08:35:05,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-12-22 08:35:05,127 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:05,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:05,128 INFO L85 PathProgramCache]: Analyzing trace with hash -864790669, now seen corresponding path program 1 times [2021-12-22 08:35:05,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:05,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461061588] [2021-12-22 08:35:05,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:05,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:05,168 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-12-22 08:35:05,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:05,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461061588] [2021-12-22 08:35:05,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461061588] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:05,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:05,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:05,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014334305] [2021-12-22 08:35:05,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:05,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:05,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:05,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:05,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:05,170 INFO L87 Difference]: Start difference. First operand 2845 states and 3829 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2021-12-22 08:35:05,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:05,258 INFO L93 Difference]: Finished difference Result 8058 states and 10910 transitions. [2021-12-22 08:35:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:05,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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 253 [2021-12-22 08:35:05,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:05,279 INFO L225 Difference]: With dead ends: 8058 [2021-12-22 08:35:05,279 INFO L226 Difference]: Without dead ends: 5221 [2021-12-22 08:35:05,284 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:05,285 INFO L933 BasicCegarLoop]: 354 mSDtfsCounter, 132 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:05,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 543 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 08:35:05,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5221 states. [2021-12-22 08:35:05,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5221 to 5219. [2021-12-22 08:35:05,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5219 states, 5218 states have (on average 1.3566500574932925) internal successors, (7079), 5218 states have internal predecessors, (7079), 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) [2021-12-22 08:35:05,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5219 states to 5219 states and 7079 transitions. [2021-12-22 08:35:05,433 INFO L78 Accepts]: Start accepts. Automaton has 5219 states and 7079 transitions. Word has length 253 [2021-12-22 08:35:05,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:05,434 INFO L470 AbstractCegarLoop]: Abstraction has 5219 states and 7079 transitions. [2021-12-22 08:35:05,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2021-12-22 08:35:05,434 INFO L276 IsEmpty]: Start isEmpty. Operand 5219 states and 7079 transitions. [2021-12-22 08:35:05,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-12-22 08:35:05,441 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:05,442 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:05,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-22 08:35:05,442 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:05,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:05,442 INFO L85 PathProgramCache]: Analyzing trace with hash 52349753, now seen corresponding path program 1 times [2021-12-22 08:35:05,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:05,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182801520] [2021-12-22 08:35:05,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:05,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:05,475 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-12-22 08:35:05,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:05,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182801520] [2021-12-22 08:35:05,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182801520] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:05,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:05,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:05,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133360494] [2021-12-22 08:35:05,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:05,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:05,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:05,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:05,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:05,477 INFO L87 Difference]: Start difference. First operand 5219 states and 7079 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2021-12-22 08:35:05,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:05,663 INFO L93 Difference]: Finished difference Result 10530 states and 14266 transitions. [2021-12-22 08:35:05,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:05,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 256 [2021-12-22 08:35:05,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:05,671 INFO L225 Difference]: With dead ends: 10530 [2021-12-22 08:35:05,672 INFO L226 Difference]: Without dead ends: 5319 [2021-12-22 08:35:05,677 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:05,677 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 150 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:05,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 184 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:05,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5319 states. [2021-12-22 08:35:05,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5319 to 5219. [2021-12-22 08:35:05,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5219 states, 5218 states have (on average 1.3363357608279034) internal successors, (6973), 5218 states have internal predecessors, (6973), 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) [2021-12-22 08:35:05,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5219 states to 5219 states and 6973 transitions. [2021-12-22 08:35:05,818 INFO L78 Accepts]: Start accepts. Automaton has 5219 states and 6973 transitions. Word has length 256 [2021-12-22 08:35:05,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:05,819 INFO L470 AbstractCegarLoop]: Abstraction has 5219 states and 6973 transitions. [2021-12-22 08:35:05,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2021-12-22 08:35:05,819 INFO L276 IsEmpty]: Start isEmpty. Operand 5219 states and 6973 transitions. [2021-12-22 08:35:05,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-12-22 08:35:05,849 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:05,849 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:05,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-22 08:35:05,849 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:05,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:05,850 INFO L85 PathProgramCache]: Analyzing trace with hash 212492165, now seen corresponding path program 1 times [2021-12-22 08:35:05,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:05,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846625513] [2021-12-22 08:35:05,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:05,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:05,888 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 518 proven. 5 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-12-22 08:35:05,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:05,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846625513] [2021-12-22 08:35:05,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846625513] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 08:35:05,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110401256] [2021-12-22 08:35:05,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:05,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:35:05,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 08:35:05,890 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 08:35:05,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-22 08:35:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:05,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 08:35:05,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 08:35:06,242 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2021-12-22 08:35:06,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 08:35:06,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110401256] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:06,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 08:35:06,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-12-22 08:35:06,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457118832] [2021-12-22 08:35:06,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:06,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:06,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:06,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:06,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:35:06,244 INFO L87 Difference]: Start difference. First operand 5219 states and 6973 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:35:06,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:06,415 INFO L93 Difference]: Finished difference Result 9731 states and 13058 transitions. [2021-12-22 08:35:06,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:06,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 282 [2021-12-22 08:35:06,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:06,424 INFO L225 Difference]: With dead ends: 9731 [2021-12-22 08:35:06,424 INFO L226 Difference]: Without dead ends: 5559 [2021-12-22 08:35:06,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:35:06,442 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 111 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:06,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 250 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:06,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5559 states. [2021-12-22 08:35:06,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5559 to 5239. [2021-12-22 08:35:06,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5239 states, 5238 states have (on average 1.3323787705231005) internal successors, (6979), 5238 states have internal predecessors, (6979), 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) [2021-12-22 08:35:06,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5239 states to 5239 states and 6979 transitions. [2021-12-22 08:35:06,562 INFO L78 Accepts]: Start accepts. Automaton has 5239 states and 6979 transitions. Word has length 282 [2021-12-22 08:35:06,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:06,562 INFO L470 AbstractCegarLoop]: Abstraction has 5239 states and 6979 transitions. [2021-12-22 08:35:06,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:35:06,563 INFO L276 IsEmpty]: Start isEmpty. Operand 5239 states and 6979 transitions. [2021-12-22 08:35:06,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-12-22 08:35:06,570 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:06,571 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:06,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-22 08:35:06,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-12-22 08:35:06,789 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:06,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:06,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1760130215, now seen corresponding path program 1 times [2021-12-22 08:35:06,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:06,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119712066] [2021-12-22 08:35:06,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:06,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:06,831 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 518 proven. 5 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-12-22 08:35:06,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:06,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119712066] [2021-12-22 08:35:06,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119712066] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 08:35:06,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225508584] [2021-12-22 08:35:06,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:06,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:35:06,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 08:35:06,833 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 08:35:06,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-22 08:35:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:06,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-22 08:35:06,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 08:35:07,198 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 421 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2021-12-22 08:35:07,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 08:35:07,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225508584] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:07,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 08:35:07,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-12-22 08:35:07,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992157291] [2021-12-22 08:35:07,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:07,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:07,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:07,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:07,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:35:07,200 INFO L87 Difference]: Start difference. First operand 5239 states and 6979 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2021-12-22 08:35:07,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:07,332 INFO L93 Difference]: Finished difference Result 10470 states and 13946 transitions. [2021-12-22 08:35:07,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:07,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 283 [2021-12-22 08:35:07,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:07,342 INFO L225 Difference]: With dead ends: 10470 [2021-12-22 08:35:07,342 INFO L226 Difference]: Without dead ends: 5239 [2021-12-22 08:35:07,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:35:07,348 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 4 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:07,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 305 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 08:35:07,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5239 states. [2021-12-22 08:35:07,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5239 to 5239. [2021-12-22 08:35:07,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5239 states, 5238 states have (on average 1.3304696449026345) internal successors, (6969), 5238 states have internal predecessors, (6969), 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) [2021-12-22 08:35:07,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5239 states to 5239 states and 6969 transitions. [2021-12-22 08:35:07,487 INFO L78 Accepts]: Start accepts. Automaton has 5239 states and 6969 transitions. Word has length 283 [2021-12-22 08:35:07,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:07,487 INFO L470 AbstractCegarLoop]: Abstraction has 5239 states and 6969 transitions. [2021-12-22 08:35:07,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2021-12-22 08:35:07,487 INFO L276 IsEmpty]: Start isEmpty. Operand 5239 states and 6969 transitions. [2021-12-22 08:35:07,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-12-22 08:35:07,495 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:07,495 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:07,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-22 08:35:07,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:35:07,712 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:07,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:07,712 INFO L85 PathProgramCache]: Analyzing trace with hash 228335597, now seen corresponding path program 1 times [2021-12-22 08:35:07,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:07,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459658709] [2021-12-22 08:35:07,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:07,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:07,750 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-12-22 08:35:07,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:07,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459658709] [2021-12-22 08:35:07,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459658709] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 08:35:07,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321092292] [2021-12-22 08:35:07,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:07,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:35:07,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 08:35:07,752 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 08:35:07,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-22 08:35:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:07,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-22 08:35:07,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 08:35:08,112 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-12-22 08:35:08,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 08:35:08,496 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-12-22 08:35:08,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321092292] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 08:35:08,496 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 08:35:08,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-12-22 08:35:08,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400182819] [2021-12-22 08:35:08,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 08:35:08,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 08:35:08,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:08,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 08:35:08,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 08:35:08,498 INFO L87 Difference]: Start difference. First operand 5239 states and 6969 transitions. Second operand has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 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) [2021-12-22 08:35:08,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:08,819 INFO L93 Difference]: Finished difference Result 11481 states and 15154 transitions. [2021-12-22 08:35:08,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 08:35:08,820 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 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 283 [2021-12-22 08:35:08,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:08,828 INFO L225 Difference]: With dead ends: 11481 [2021-12-22 08:35:08,828 INFO L226 Difference]: Without dead ends: 6168 [2021-12-22 08:35:08,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-22 08:35:08,833 INFO L933 BasicCegarLoop]: 225 mSDtfsCounter, 513 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:08,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [513 Valid, 490 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-22 08:35:08,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6168 states. [2021-12-22 08:35:08,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6168 to 4204. [2021-12-22 08:35:08,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4204 states, 4203 states have (on average 1.3043064477753985) internal successors, (5482), 4203 states have internal predecessors, (5482), 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) [2021-12-22 08:35:08,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4204 states to 4204 states and 5482 transitions. [2021-12-22 08:35:08,927 INFO L78 Accepts]: Start accepts. Automaton has 4204 states and 5482 transitions. Word has length 283 [2021-12-22 08:35:08,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:08,927 INFO L470 AbstractCegarLoop]: Abstraction has 4204 states and 5482 transitions. [2021-12-22 08:35:08,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 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) [2021-12-22 08:35:08,927 INFO L276 IsEmpty]: Start isEmpty. Operand 4204 states and 5482 transitions. [2021-12-22 08:35:08,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-12-22 08:35:08,933 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:08,934 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:08,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-22 08:35:09,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-12-22 08:35:09,147 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:09,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:09,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1511923228, now seen corresponding path program 1 times [2021-12-22 08:35:09,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:09,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954440424] [2021-12-22 08:35:09,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:09,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:09,194 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2021-12-22 08:35:09,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:09,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954440424] [2021-12-22 08:35:09,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954440424] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:09,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:09,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:09,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023023911] [2021-12-22 08:35:09,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:09,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:09,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:09,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:09,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:09,197 INFO L87 Difference]: Start difference. First operand 4204 states and 5482 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2021-12-22 08:35:09,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:09,327 INFO L93 Difference]: Finished difference Result 7084 states and 9168 transitions. [2021-12-22 08:35:09,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:09,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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 321 [2021-12-22 08:35:09,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:09,330 INFO L225 Difference]: With dead ends: 7084 [2021-12-22 08:35:09,330 INFO L226 Difference]: Without dead ends: 2245 [2021-12-22 08:35:09,333 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:09,334 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 11 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:09,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 287 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:09,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2245 states. [2021-12-22 08:35:09,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2245 to 2245. [2021-12-22 08:35:09,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2245 states, 2244 states have (on average 1.2932263814616756) internal successors, (2902), 2244 states have internal predecessors, (2902), 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) [2021-12-22 08:35:09,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 2245 states and 2902 transitions. [2021-12-22 08:35:09,373 INFO L78 Accepts]: Start accepts. Automaton has 2245 states and 2902 transitions. Word has length 321 [2021-12-22 08:35:09,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:09,373 INFO L470 AbstractCegarLoop]: Abstraction has 2245 states and 2902 transitions. [2021-12-22 08:35:09,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2021-12-22 08:35:09,374 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 2902 transitions. [2021-12-22 08:35:09,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-12-22 08:35:09,378 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:09,378 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:09,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-22 08:35:09,378 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:09,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:09,379 INFO L85 PathProgramCache]: Analyzing trace with hash 765784792, now seen corresponding path program 1 times [2021-12-22 08:35:09,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:09,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086702428] [2021-12-22 08:35:09,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:09,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:09,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 661 trivial. 0 not checked. [2021-12-22 08:35:09,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:09,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086702428] [2021-12-22 08:35:09,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086702428] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:09,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:09,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:09,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017545275] [2021-12-22 08:35:09,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:09,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:09,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:09,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:09,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:09,405 INFO L87 Difference]: Start difference. First operand 2245 states and 2902 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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) [2021-12-22 08:35:09,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:09,492 INFO L93 Difference]: Finished difference Result 4571 states and 5904 transitions. [2021-12-22 08:35:09,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:09,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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 323 [2021-12-22 08:35:09,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:09,495 INFO L225 Difference]: With dead ends: 4571 [2021-12-22 08:35:09,495 INFO L226 Difference]: Without dead ends: 2334 [2021-12-22 08:35:09,497 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:09,497 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 13 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:09,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 294 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:09,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2334 states. [2021-12-22 08:35:09,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2334 to 2314. [2021-12-22 08:35:09,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 2313 states have (on average 1.2909641158668397) internal successors, (2986), 2313 states have internal predecessors, (2986), 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) [2021-12-22 08:35:09,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 2986 transitions. [2021-12-22 08:35:09,539 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 2986 transitions. Word has length 323 [2021-12-22 08:35:09,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:09,539 INFO L470 AbstractCegarLoop]: Abstraction has 2314 states and 2986 transitions. [2021-12-22 08:35:09,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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) [2021-12-22 08:35:09,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2986 transitions. [2021-12-22 08:35:09,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-12-22 08:35:09,543 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:09,544 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:09,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-12-22 08:35:09,544 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:09,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:09,544 INFO L85 PathProgramCache]: Analyzing trace with hash 2092257525, now seen corresponding path program 1 times [2021-12-22 08:35:09,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:09,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836526333] [2021-12-22 08:35:09,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:09,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:09,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1175 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2021-12-22 08:35:09,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:09,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836526333] [2021-12-22 08:35:09,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836526333] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:09,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:09,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:09,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354813523] [2021-12-22 08:35:09,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:09,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:09,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:09,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:09,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:09,573 INFO L87 Difference]: Start difference. First operand 2314 states and 2986 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2021-12-22 08:35:09,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:09,666 INFO L93 Difference]: Finished difference Result 4810 states and 6230 transitions. [2021-12-22 08:35:09,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:09,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 344 [2021-12-22 08:35:09,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:09,670 INFO L225 Difference]: With dead ends: 4810 [2021-12-22 08:35:09,670 INFO L226 Difference]: Without dead ends: 2504 [2021-12-22 08:35:09,672 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:09,672 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 29 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:09,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 294 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:09,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2504 states. [2021-12-22 08:35:09,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2504 to 2439. [2021-12-22 08:35:09,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2439 states, 2438 states have (on average 1.2863002461033635) internal successors, (3136), 2438 states have internal predecessors, (3136), 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) [2021-12-22 08:35:09,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3136 transitions. [2021-12-22 08:35:09,717 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3136 transitions. Word has length 344 [2021-12-22 08:35:09,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:09,717 INFO L470 AbstractCegarLoop]: Abstraction has 2439 states and 3136 transitions. [2021-12-22 08:35:09,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2021-12-22 08:35:09,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3136 transitions. [2021-12-22 08:35:09,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-12-22 08:35:09,720 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:09,720 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:09,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-12-22 08:35:09,720 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:09,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:09,721 INFO L85 PathProgramCache]: Analyzing trace with hash 245519722, now seen corresponding path program 1 times [2021-12-22 08:35:09,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:09,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958116789] [2021-12-22 08:35:09,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:09,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:09,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1376 backedges. 667 proven. 0 refuted. 0 times theorem prover too weak. 709 trivial. 0 not checked. [2021-12-22 08:35:09,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:09,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958116789] [2021-12-22 08:35:09,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958116789] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:09,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:09,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:09,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246724356] [2021-12-22 08:35:09,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:09,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:09,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:09,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:09,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:09,751 INFO L87 Difference]: Start difference. First operand 2439 states and 3136 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:35:09,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:09,848 INFO L93 Difference]: Finished difference Result 4910 states and 6325 transitions. [2021-12-22 08:35:09,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:09,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 370 [2021-12-22 08:35:09,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:09,852 INFO L225 Difference]: With dead ends: 4910 [2021-12-22 08:35:09,852 INFO L226 Difference]: Without dead ends: 2479 [2021-12-22 08:35:09,853 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:09,854 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 19 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:09,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 293 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:09,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2479 states. [2021-12-22 08:35:09,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2479 to 2439. [2021-12-22 08:35:09,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2439 states, 2438 states have (on average 1.2760459392945036) internal successors, (3111), 2438 states have internal predecessors, (3111), 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) [2021-12-22 08:35:09,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3111 transitions. [2021-12-22 08:35:09,896 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3111 transitions. Word has length 370 [2021-12-22 08:35:09,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:09,896 INFO L470 AbstractCegarLoop]: Abstraction has 2439 states and 3111 transitions. [2021-12-22 08:35:09,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:35:09,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3111 transitions. [2021-12-22 08:35:09,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2021-12-22 08:35:09,899 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:09,899 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:09,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-12-22 08:35:09,900 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:09,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:09,900 INFO L85 PathProgramCache]: Analyzing trace with hash 35349519, now seen corresponding path program 1 times [2021-12-22 08:35:09,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:09,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803580549] [2021-12-22 08:35:09,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:09,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:09,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 1011 proven. 26 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2021-12-22 08:35:09,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:09,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803580549] [2021-12-22 08:35:09,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803580549] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 08:35:09,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256992601] [2021-12-22 08:35:09,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:09,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:35:09,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 08:35:09,946 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 08:35:09,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-22 08:35:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:10,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-22 08:35:10,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 08:35:10,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 773 proven. 0 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2021-12-22 08:35:10,572 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 08:35:10,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256992601] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:10,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 08:35:10,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-12-22 08:35:10,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196279130] [2021-12-22 08:35:10,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:10,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:10,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:10,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:10,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:35:10,573 INFO L87 Difference]: Start difference. First operand 2439 states and 3111 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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) [2021-12-22 08:35:10,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:10,614 INFO L93 Difference]: Finished difference Result 3046 states and 3899 transitions. [2021-12-22 08:35:10,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:10,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 393 [2021-12-22 08:35:10,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:10,618 INFO L225 Difference]: With dead ends: 3046 [2021-12-22 08:35:10,618 INFO L226 Difference]: Without dead ends: 2954 [2021-12-22 08:35:10,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:35:10,619 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 90 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 449 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 [2021-12-22 08:35:10,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 449 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 08:35:10,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2954 states. [2021-12-22 08:35:10,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2954 to 2349. [2021-12-22 08:35:10,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2349 states, 2348 states have (on average 1.2819420783645656) internal successors, (3010), 2348 states have internal predecessors, (3010), 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) [2021-12-22 08:35:10,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 3010 transitions. [2021-12-22 08:35:10,667 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 3010 transitions. Word has length 393 [2021-12-22 08:35:10,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:10,668 INFO L470 AbstractCegarLoop]: Abstraction has 2349 states and 3010 transitions. [2021-12-22 08:35:10,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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) [2021-12-22 08:35:10,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 3010 transitions. [2021-12-22 08:35:10,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2021-12-22 08:35:10,672 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:10,672 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 15, 15, 13, 13, 11, 11, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:10,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-22 08:35:10,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-12-22 08:35:10,887 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:10,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:10,888 INFO L85 PathProgramCache]: Analyzing trace with hash 431667755, now seen corresponding path program 1 times [2021-12-22 08:35:10,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:10,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291496921] [2021-12-22 08:35:10,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:10,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:10,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2021-12-22 08:35:10,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:10,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291496921] [2021-12-22 08:35:10,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291496921] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 08:35:10,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222667001] [2021-12-22 08:35:10,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:10,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:35:10,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 08:35:10,956 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 08:35:10,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-22 08:35:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:11,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-22 08:35:11,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 08:35:11,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2021-12-22 08:35:11,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 08:35:12,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2021-12-22 08:35:12,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222667001] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 08:35:12,244 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 08:35:12,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-12-22 08:35:12,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001107894] [2021-12-22 08:35:12,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 08:35:12,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 08:35:12,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:12,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 08:35:12,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 08:35:12,245 INFO L87 Difference]: Start difference. First operand 2349 states and 3010 transitions. Second operand has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 6 states have internal predecessors, (262), 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) [2021-12-22 08:35:12,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:12,533 INFO L93 Difference]: Finished difference Result 5862 states and 7496 transitions. [2021-12-22 08:35:12,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 08:35:12,534 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 6 states have internal predecessors, (262), 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 533 [2021-12-22 08:35:12,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:12,539 INFO L225 Difference]: With dead ends: 5862 [2021-12-22 08:35:12,539 INFO L226 Difference]: Without dead ends: 3451 [2021-12-22 08:35:12,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1072 GetRequests, 1066 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-22 08:35:12,541 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 303 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:12,541 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [303 Valid, 525 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-22 08:35:12,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3451 states. [2021-12-22 08:35:12,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3451 to 2374. [2021-12-22 08:35:12,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2374 states, 2373 states have (on average 1.2747576906868943) internal successors, (3025), 2373 states have internal predecessors, (3025), 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) [2021-12-22 08:35:12,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2374 states and 3025 transitions. [2021-12-22 08:35:12,602 INFO L78 Accepts]: Start accepts. Automaton has 2374 states and 3025 transitions. Word has length 533 [2021-12-22 08:35:12,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:12,602 INFO L470 AbstractCegarLoop]: Abstraction has 2374 states and 3025 transitions. [2021-12-22 08:35:12,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 6 states have internal predecessors, (262), 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) [2021-12-22 08:35:12,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 3025 transitions. [2021-12-22 08:35:12,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2021-12-22 08:35:12,607 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:12,607 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 17, 17, 15, 15, 13, 13, 11, 11, 11, 11, 10, 8, 8, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:12,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-22 08:35:12,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:35:12,823 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:12,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:12,824 INFO L85 PathProgramCache]: Analyzing trace with hash -32232603, now seen corresponding path program 1 times [2021-12-22 08:35:12,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:12,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991804331] [2021-12-22 08:35:12,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:12,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:12,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4036 backedges. 1616 proven. 0 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2021-12-22 08:35:12,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:12,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991804331] [2021-12-22 08:35:12,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991804331] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:12,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:12,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:12,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228013368] [2021-12-22 08:35:12,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:12,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:12,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:12,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:12,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:12,875 INFO L87 Difference]: Start difference. First operand 2374 states and 3025 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2021-12-22 08:35:12,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:12,965 INFO L93 Difference]: Finished difference Result 4750 states and 6048 transitions. [2021-12-22 08:35:12,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:12,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 595 [2021-12-22 08:35:12,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:12,969 INFO L225 Difference]: With dead ends: 4750 [2021-12-22 08:35:12,969 INFO L226 Difference]: Without dead ends: 2384 [2021-12-22 08:35:12,971 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:12,971 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 11 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:12,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 292 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:12,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2384 states. [2021-12-22 08:35:13,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2384 to 2374. [2021-12-22 08:35:13,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2374 states, 2373 states have (on average 1.2642225031605563) internal successors, (3000), 2373 states have internal predecessors, (3000), 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) [2021-12-22 08:35:13,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2374 states and 3000 transitions. [2021-12-22 08:35:13,021 INFO L78 Accepts]: Start accepts. Automaton has 2374 states and 3000 transitions. Word has length 595 [2021-12-22 08:35:13,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:13,021 INFO L470 AbstractCegarLoop]: Abstraction has 2374 states and 3000 transitions. [2021-12-22 08:35:13,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2021-12-22 08:35:13,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 3000 transitions. [2021-12-22 08:35:13,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2021-12-22 08:35:13,025 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:13,026 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 19, 19, 17, 17, 15, 15, 13, 13, 13, 13, 10, 8, 8, 8, 8, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:13,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-12-22 08:35:13,026 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:13,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:13,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1381913185, now seen corresponding path program 1 times [2021-12-22 08:35:13,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:13,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251584641] [2021-12-22 08:35:13,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:13,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:13,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4971 backedges. 2404 proven. 0 refuted. 0 times theorem prover too weak. 2567 trivial. 0 not checked. [2021-12-22 08:35:13,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:13,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251584641] [2021-12-22 08:35:13,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251584641] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:35:13,090 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:35:13,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:35:13,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532485730] [2021-12-22 08:35:13,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:35:13,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:35:13,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:13,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:35:13,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:35:13,091 INFO L87 Difference]: Start difference. First operand 2374 states and 3000 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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) [2021-12-22 08:35:13,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:13,186 INFO L93 Difference]: Finished difference Result 4920 states and 6228 transitions. [2021-12-22 08:35:13,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:35:13,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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 661 [2021-12-22 08:35:13,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:13,189 INFO L225 Difference]: With dead ends: 4920 [2021-12-22 08:35:13,189 INFO L226 Difference]: Without dead ends: 2554 [2021-12-22 08:35:13,191 INFO L932 BasicCegarLoop]: 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 [2021-12-22 08:35:13,192 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 11 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:13,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 290 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:35:13,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2554 states. [2021-12-22 08:35:13,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2554 to 2544. [2021-12-22 08:35:13,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 2543 states have (on average 1.256390090444357) internal successors, (3195), 2543 states have internal predecessors, (3195), 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) [2021-12-22 08:35:13,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 3195 transitions. [2021-12-22 08:35:13,274 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 3195 transitions. Word has length 661 [2021-12-22 08:35:13,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:13,276 INFO L470 AbstractCegarLoop]: Abstraction has 2544 states and 3195 transitions. [2021-12-22 08:35:13,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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) [2021-12-22 08:35:13,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3195 transitions. [2021-12-22 08:35:13,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2021-12-22 08:35:13,283 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:35:13,283 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 21, 21, 19, 19, 17, 17, 15, 15, 15, 15, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:13,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-12-22 08:35:13,284 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:35:13,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:35:13,285 INFO L85 PathProgramCache]: Analyzing trace with hash -372840571, now seen corresponding path program 1 times [2021-12-22 08:35:13,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:35:13,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028987690] [2021-12-22 08:35:13,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:13,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:35:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:13,377 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2021-12-22 08:35:13,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:35:13,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028987690] [2021-12-22 08:35:13,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028987690] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 08:35:13,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31110811] [2021-12-22 08:35:13,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:35:13,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:35:13,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 08:35:13,378 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 08:35:13,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-22 08:35:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:35:13,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 1098 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-22 08:35:13,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 08:35:14,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2021-12-22 08:35:14,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 08:35:15,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2021-12-22 08:35:15,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31110811] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 08:35:15,048 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 08:35:15,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-12-22 08:35:15,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958061226] [2021-12-22 08:35:15,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 08:35:15,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 08:35:15,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:35:15,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 08:35:15,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-22 08:35:15,050 INFO L87 Difference]: Start difference. First operand 2544 states and 3195 transitions. Second operand has 8 states, 8 states have (on average 40.75) internal successors, (326), 8 states have internal predecessors, (326), 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) [2021-12-22 08:35:15,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:35:15,291 INFO L93 Difference]: Finished difference Result 3638 states and 4573 transitions. [2021-12-22 08:35:15,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 08:35:15,292 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 40.75) internal successors, (326), 8 states have internal predecessors, (326), 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 723 [2021-12-22 08:35:15,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:35:15,292 INFO L225 Difference]: With dead ends: 3638 [2021-12-22 08:35:15,292 INFO L226 Difference]: Without dead ends: 0 [2021-12-22 08:35:15,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1452 GetRequests, 1444 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-22 08:35:15,298 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 74 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-22 08:35:15,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 872 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-22 08:35:15,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-22 08:35:15,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-22 08:35:15,299 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) [2021-12-22 08:35:15,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 08:35:15,299 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 723 [2021-12-22 08:35:15,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:35:15,299 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 08:35:15,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 40.75) internal successors, (326), 8 states have internal predecessors, (326), 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) [2021-12-22 08:35:15,299 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-22 08:35:15,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-22 08:35:15,301 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-22 08:35:15,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-22 08:35:15,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:35:15,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-22 08:35:25,482 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 535) no Hoare annotation was computed. [2021-12-22 08:35:25,483 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 535) no Hoare annotation was computed. [2021-12-22 08:35:25,483 INFO L854 garLoopResultBuilder]: At program point L366(lines 342 384) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545))) (.cse2 (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (not (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse4 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse6 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse2 .cse3 .cse4 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|) .cse5 .cse6))) [2021-12-22 08:35:25,483 INFO L854 garLoopResultBuilder]: At program point L201(lines 197 562) the Hoare annotation is: (let ((.cse6 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545))) (.cse8 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481))) (.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8657))) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672))) (.cse9 (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse0 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse10 (not (= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse11 (not (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse12 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480))) (.cse4 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656))) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse13 (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse5 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 0) .cse1) (and (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse2 .cse3 .cse0 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse3 .cse9 .cse0 .cse10 .cse11 .cse12 .cse4 .cse13 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse3 .cse9 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640) .cse0 .cse10 .cse11 .cse12 .cse4 .cse1 .cse13 .cse5))) [2021-12-22 08:35:25,483 INFO L854 garLoopResultBuilder]: At program point L168(lines 164 573) the Hoare annotation is: (let ((.cse0 (not (= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481))) (.cse3 (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse4 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480))) (.cse6 (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse7 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse3 .cse4 .cse5 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|) .cse6 .cse7))) [2021-12-22 08:35:25,483 INFO L854 garLoopResultBuilder]: At program point L135(lines 134 583) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545))) (.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481))) (.cse3 (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse4 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640))) (.cse5 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640)) (.cse6 (not (= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse7 (not (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse8 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480))) (.cse9 (<= 8480 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse10 (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 0) .cse10))) [2021-12-22 08:35:25,483 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 104) no Hoare annotation was computed. [2021-12-22 08:35:25,484 INFO L858 garLoopResultBuilder]: For program point L433(lines 433 435) no Hoare annotation was computed. [2021-12-22 08:35:25,484 INFO L854 garLoopResultBuilder]: At program point L400(lines 391 423) the Hoare annotation is: (let ((.cse0 (not (= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481))) (.cse3 (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse4 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480))) (.cse6 (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse7 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse3 .cse4 .cse5 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|) .cse6 .cse7))) [2021-12-22 08:35:25,484 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 303) no Hoare annotation was computed. [2021-12-22 08:35:25,484 INFO L858 garLoopResultBuilder]: For program point L301-2(lines 219 553) no Hoare annotation was computed. [2021-12-22 08:35:25,484 INFO L861 garLoopResultBuilder]: At program point L632(lines 623 634) the Hoare annotation is: true [2021-12-22 08:35:25,484 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 370) no Hoare annotation was computed. [2021-12-22 08:35:25,484 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 560) no Hoare annotation was computed. [2021-12-22 08:35:25,484 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 571) no Hoare annotation was computed. [2021-12-22 08:35:25,484 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 582) no Hoare annotation was computed. [2021-12-22 08:35:25,485 INFO L858 garLoopResultBuilder]: For program point L600(lines 600 604) no Hoare annotation was computed. [2021-12-22 08:35:25,485 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 340) no Hoare annotation was computed. [2021-12-22 08:35:25,485 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 272) no Hoare annotation was computed. [2021-12-22 08:35:25,485 INFO L858 garLoopResultBuilder]: For program point L336-2(lines 219 553) no Hoare annotation was computed. [2021-12-22 08:35:25,485 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 248) no Hoare annotation was computed. [2021-12-22 08:35:25,485 INFO L858 garLoopResultBuilder]: For program point L237-2(lines 219 553) no Hoare annotation was computed. [2021-12-22 08:35:25,485 INFO L858 garLoopResultBuilder]: For program point L403(lines 403 421) no Hoare annotation was computed. [2021-12-22 08:35:25,485 INFO L858 garLoopResultBuilder]: For program point L503(lines 503 506) no Hoare annotation was computed. [2021-12-22 08:35:25,485 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 410) no Hoare annotation was computed. [2021-12-22 08:35:25,485 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2021-12-22 08:35:25,486 INFO L858 garLoopResultBuilder]: For program point L206(lines 206 559) no Hoare annotation was computed. [2021-12-22 08:35:25,486 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 570) no Hoare annotation was computed. [2021-12-22 08:35:25,486 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 581) no Hoare annotation was computed. [2021-12-22 08:35:25,486 INFO L854 garLoopResultBuilder]: At program point L207(lines 203 560) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640))) (.cse2 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse3 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)) (.cse4 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672))) (or (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse0 .cse1 .cse2 .cse4) (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640) .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 0) (not .cse3) .cse4))) [2021-12-22 08:35:25,486 INFO L854 garLoopResultBuilder]: At program point L174(lines 170 571) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545))) (.cse1 (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse4 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse1 .cse2 .cse3 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|) .cse4))) [2021-12-22 08:35:25,486 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2021-12-22 08:35:25,486 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2021-12-22 08:35:25,486 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2021-12-22 08:35:25,486 INFO L858 garLoopResultBuilder]: For program point L209(lines 209 558) no Hoare annotation was computed. [2021-12-22 08:35:25,486 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 569) no Hoare annotation was computed. [2021-12-22 08:35:25,487 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 580) no Hoare annotation was computed. [2021-12-22 08:35:25,487 INFO L854 garLoopResultBuilder]: At program point L110-2(lines 110 609) the Hoare annotation is: (let ((.cse9 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (let ((.cse21 (<= 8480 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse11 (not (= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse12 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481))) (.cse14 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480))) (.cse15 (not (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse19 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672))) (.cse23 (= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse17 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse18 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545))) (.cse20 (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640)) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8657))) (.cse4 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640)) (.cse0 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse3 (not .cse9)) (.cse10 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse13 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse27 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse24 (< 8496 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse25 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse22 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (.cse16 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 0)) (.cse8 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse5 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse26 (= 3 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse6 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= 8640 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|) .cse4 .cse5 .cse6 .cse3) (and .cse4 .cse0 .cse1 .cse3) (and .cse7 .cse8 .cse0 .cse9 .cse10) (and .cse11 .cse12 .cse13 .cse14 .cse9 .cse6 .cse15) (and .cse11 .cse12 .cse14 .cse6 .cse2 .cse15) (and .cse4 .cse16) (and .cse17 .cse18 .cse12 .cse13 .cse7 .cse19 .cse20 .cse14 .cse9 .cse21 .cse10) (and .cse17 .cse18 .cse12 .cse8 .cse20 .cse14 .cse21 .cse22) (and (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse23 .cse10) (and .cse8 .cse5 .cse24 .cse6 .cse25) (and .cse11 .cse12 .cse8 .cse14 .cse6 .cse15) (and .cse13 .cse7 .cse19 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640)) .cse0 .cse10) (and .cse13 .cse16) (and .cse23 .cse5 .cse26 .cse9 .cse6) (and .cse8 .cse16) (and .cse13 .cse5 .cse24 .cse9 .cse6 .cse25) (and .cse17 .cse18 .cse8 .cse20 .cse1 .cse27) (and .cse7 .cse4 .cse0 .cse2 .cse3 .cse10) (and .cse8 (not (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) .cse24 .cse25 .cse22) (and .cse13 .cse27 .cse24 .cse9 .cse25 .cse22) (and .cse16 .cse2) (and .cse8 .cse5 .cse26 .cse9 .cse6)))) [2021-12-22 08:35:25,487 INFO L858 garLoopResultBuilder]: For program point L441-1(lines 441 449) no Hoare annotation was computed. [2021-12-22 08:35:25,487 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 246) no Hoare annotation was computed. [2021-12-22 08:35:25,487 INFO L854 garLoopResultBuilder]: At program point L177(lines 176 569) the Hoare annotation is: (let ((.cse4 (< 8496 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse5 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse3 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse6 (= 3 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse2 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)) (.cse1 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and (<= 8640 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640) .cse0 .cse1 (not .cse2)) (and .cse3 .cse0 .cse4 .cse1 .cse5) (and (= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse0 .cse6 .cse2 .cse1) (and (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse0 .cse4 .cse2 .cse1 .cse5) (and .cse3 .cse0 .cse6 .cse2 .cse1))) [2021-12-22 08:35:25,487 INFO L854 garLoopResultBuilder]: At program point L144(lines 137 582) the Hoare annotation is: (let ((.cse0 (not (= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481))) (.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480))) (.cse3 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse4 (not (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) (or (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse2 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 0) .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse2 .cse3 .cse4))) [2021-12-22 08:35:25,487 INFO L858 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2021-12-22 08:35:25,488 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 547) no Hoare annotation was computed. [2021-12-22 08:35:25,488 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 510) no Hoare annotation was computed. [2021-12-22 08:35:25,488 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 541 547) no Hoare annotation was computed. [2021-12-22 08:35:25,488 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 219 553) no Hoare annotation was computed. [2021-12-22 08:35:25,488 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 557) no Hoare annotation was computed. [2021-12-22 08:35:25,488 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 568) no Hoare annotation was computed. [2021-12-22 08:35:25,488 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 579) no Hoare annotation was computed. [2021-12-22 08:35:25,488 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 590) no Hoare annotation was computed. [2021-12-22 08:35:25,488 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 447) no Hoare annotation was computed. [2021-12-22 08:35:25,488 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 383) no Hoare annotation was computed. [2021-12-22 08:35:25,489 INFO L854 garLoopResultBuilder]: At program point L213(lines 209 558) the Hoare annotation is: (let ((.cse0 (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 16384)) (.cse2 (not (= 12292 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse1 .cse2 .cse3) (and .cse0 (= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse1 .cse2) (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640) .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 0) (not .cse3)))) [2021-12-22 08:35:25,489 INFO L854 garLoopResultBuilder]: At program point L114(lines 113 590) the Hoare annotation is: false [2021-12-22 08:35:25,489 INFO L861 garLoopResultBuilder]: At program point L610(lines 109 611) the Hoare annotation is: true [2021-12-22 08:35:25,489 INFO L858 garLoopResultBuilder]: For program point L544(lines 544 546) no Hoare annotation was computed. [2021-12-22 08:35:25,489 INFO L854 garLoopResultBuilder]: At program point L412(lines 403 421) the Hoare annotation is: (let ((.cse0 (not (= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481))) (.cse3 (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse4 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480))) (.cse6 (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse7 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse3 .cse4 .cse5 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|) .cse6 .cse7))) [2021-12-22 08:35:25,489 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 556) no Hoare annotation was computed. [2021-12-22 08:35:25,489 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 567) no Hoare annotation was computed. [2021-12-22 08:35:25,489 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 578) no Hoare annotation was computed. [2021-12-22 08:35:25,489 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 589) no Hoare annotation was computed. [2021-12-22 08:35:25,489 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 382) no Hoare annotation was computed. [2021-12-22 08:35:25,490 INFO L858 garLoopResultBuilder]: For program point L348-1(lines 348 382) no Hoare annotation was computed. [2021-12-22 08:35:25,490 INFO L854 garLoopResultBuilder]: At program point L216(lines 215 556) the Hoare annotation is: (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) [2021-12-22 08:35:25,490 INFO L854 garLoopResultBuilder]: At program point L183(lines 179 568) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545))) (.cse2 (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640))) (.cse4 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640)) (.cse5 (not (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse6 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse7 (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse2 .cse3 .cse4 .cse5 .cse6 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|) .cse7))) [2021-12-22 08:35:25,490 INFO L854 garLoopResultBuilder]: At program point L150(lines 146 579) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545))) (.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481))) (.cse3 (not (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse4 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480))) (.cse5 (<= 8480 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse6 (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse7 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and .cse0 .cse1 .cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse3 .cse4 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|) .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-12-22 08:35:25,490 INFO L858 garLoopResultBuilder]: For program point L481(lines 481 483) no Hoare annotation was computed. [2021-12-22 08:35:25,490 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 417) no Hoare annotation was computed. [2021-12-22 08:35:25,490 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 379) no Hoare annotation was computed. [2021-12-22 08:35:25,490 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-22 08:35:25,490 INFO L854 garLoopResultBuilder]: At program point L218(lines 217 556) the Hoare annotation is: (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) [2021-12-22 08:35:25,491 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 566) no Hoare annotation was computed. [2021-12-22 08:35:25,491 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 577) no Hoare annotation was computed. [2021-12-22 08:35:25,491 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 588) no Hoare annotation was computed. [2021-12-22 08:35:25,491 INFO L858 garLoopResultBuilder]: For program point L615(lines 615 617) no Hoare annotation was computed. [2021-12-22 08:35:25,491 INFO L858 garLoopResultBuilder]: For program point L615-2(lines 615 617) no Hoare annotation was computed. [2021-12-22 08:35:25,491 INFO L858 garLoopResultBuilder]: For program point L516(lines 516 519) no Hoare annotation was computed. [2021-12-22 08:35:25,491 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 287) no Hoare annotation was computed. [2021-12-22 08:35:25,491 INFO L858 garLoopResultBuilder]: For program point L285-2(lines 219 553) no Hoare annotation was computed. [2021-12-22 08:35:25,491 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 326) no Hoare annotation was computed. [2021-12-22 08:35:25,491 INFO L858 garLoopResultBuilder]: For program point L319-2(lines 319 326) no Hoare annotation was computed. [2021-12-22 08:35:25,492 INFO L858 garLoopResultBuilder]: For program point L254(lines 254 264) no Hoare annotation was computed. [2021-12-22 08:35:25,492 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 565) no Hoare annotation was computed. [2021-12-22 08:35:25,492 INFO L858 garLoopResultBuilder]: For program point L155(lines 155 576) no Hoare annotation was computed. [2021-12-22 08:35:25,492 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 587) no Hoare annotation was computed. [2021-12-22 08:35:25,492 INFO L858 garLoopResultBuilder]: For program point L354(lines 354 377) no Hoare annotation was computed. [2021-12-22 08:35:25,492 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 258) no Hoare annotation was computed. [2021-12-22 08:35:25,492 INFO L854 garLoopResultBuilder]: At program point L222(lines 116 589) the Hoare annotation is: false [2021-12-22 08:35:25,492 INFO L854 garLoopResultBuilder]: At program point L189(lines 185 566) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545))) (.cse2 (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640))) (.cse4 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640)) (.cse5 (not (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse6 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse7 (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse2 .cse3 .cse4 .cse5 .cse6 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|) .cse7))) [2021-12-22 08:35:25,492 INFO L854 garLoopResultBuilder]: At program point L156(lines 152 577) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545))) (.cse2 (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (not (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse4 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse6 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse2 .cse3 .cse4 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|) .cse5 .cse6))) [2021-12-22 08:35:25,492 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-22 08:35:25,493 INFO L861 garLoopResultBuilder]: At program point L620(lines 22 622) the Hoare annotation is: true [2021-12-22 08:35:25,493 INFO L854 garLoopResultBuilder]: At program point L554(lines 110 609) the Hoare annotation is: (let ((.cse9 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (let ((.cse21 (<= 8480 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse11 (not (= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse12 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481))) (.cse14 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480))) (.cse15 (not (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse19 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672))) (.cse23 (= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse17 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse18 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545))) (.cse20 (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640)) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8657))) (.cse4 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640)) (.cse0 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse3 (not .cse9)) (.cse10 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse13 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse27 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse24 (< 8496 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse25 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse22 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (.cse16 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 0)) (.cse8 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse5 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse26 (= 3 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse6 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= 8640 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|) .cse4 .cse5 .cse6 .cse3) (and .cse4 .cse0 .cse1 .cse3) (and .cse7 .cse8 .cse0 .cse9 .cse10) (and .cse11 .cse12 .cse13 .cse14 .cse9 .cse6 .cse15) (and .cse4 .cse16) (and .cse17 .cse18 .cse12 .cse13 .cse7 .cse19 .cse20 .cse14 .cse9 .cse21 .cse10) (and .cse17 .cse18 .cse12 .cse8 .cse20 .cse14 .cse21 .cse22) (and (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse23 .cse10) (and .cse8 .cse5 .cse24 .cse6 .cse25) (and .cse11 .cse12 .cse8 .cse14 .cse6 .cse15) (and .cse13 .cse7 .cse19 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640)) .cse0 .cse10) (and .cse13 .cse16) (and .cse23 .cse5 .cse26 .cse9 .cse6) (and .cse8 .cse16) (and .cse13 .cse5 .cse24 .cse9 .cse6 .cse25) (and .cse17 .cse18 .cse8 .cse20 .cse1 .cse27) (and .cse7 .cse4 .cse0 .cse2 .cse3 .cse10) (and .cse8 (not (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) .cse24 .cse25 .cse22) (and .cse13 .cse27 .cse24 .cse9 .cse25 .cse22) (and .cse16 .cse2) (and .cse8 .cse5 .cse26 .cse9 .cse6)))) [2021-12-22 08:35:25,493 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 457) no Hoare annotation was computed. [2021-12-22 08:35:25,493 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 325) no Hoare annotation was computed. [2021-12-22 08:35:25,493 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 564) no Hoare annotation was computed. [2021-12-22 08:35:25,493 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 575) no Hoare annotation was computed. [2021-12-22 08:35:25,493 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 586) no Hoare annotation was computed. [2021-12-22 08:35:25,493 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2021-12-22 08:35:25,493 INFO L858 garLoopResultBuilder]: For program point L357-2(lines 357 361) no Hoare annotation was computed. [2021-12-22 08:35:25,494 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-12-22 08:35:25,494 INFO L858 garLoopResultBuilder]: For program point L490(lines 490 492) no Hoare annotation was computed. [2021-12-22 08:35:25,494 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 423) no Hoare annotation was computed. [2021-12-22 08:35:25,494 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-22 08:35:25,494 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 526) no Hoare annotation was computed. [2021-12-22 08:35:25,494 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 467) no Hoare annotation was computed. [2021-12-22 08:35:25,494 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 398) no Hoare annotation was computed. [2021-12-22 08:35:25,494 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2021-12-22 08:35:25,494 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 563) no Hoare annotation was computed. [2021-12-22 08:35:25,494 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 574) no Hoare annotation was computed. [2021-12-22 08:35:25,495 INFO L858 garLoopResultBuilder]: For program point L227-2(lines 227 229) no Hoare annotation was computed. [2021-12-22 08:35:25,495 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 585) no Hoare annotation was computed. [2021-12-22 08:35:25,495 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 607) no Hoare annotation was computed. [2021-12-22 08:35:25,495 INFO L854 garLoopResultBuilder]: At program point L525(lines 83 621) the Hoare annotation is: false [2021-12-22 08:35:25,497 INFO L854 garLoopResultBuilder]: At program point L195(lines 191 564) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545))) (.cse2 (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640))) (.cse4 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640)) (.cse5 (not (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse6 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse7 (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse2 .cse3 .cse4 .cse5 .cse6 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|) .cse7))) [2021-12-22 08:35:25,497 INFO L854 garLoopResultBuilder]: At program point L162(lines 158 575) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545))) (.cse2 (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (not (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse4 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse6 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse2 .cse3 .cse4 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|) .cse5 .cse6))) [2021-12-22 08:35:25,497 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 98) no Hoare annotation was computed. [2021-12-22 08:35:25,497 INFO L858 garLoopResultBuilder]: For program point L96-2(lines 93 99) no Hoare annotation was computed. [2021-12-22 08:35:25,497 INFO L858 garLoopResultBuilder]: For program point L592(lines 592 606) no Hoare annotation was computed. [2021-12-22 08:35:25,497 INFO L858 garLoopResultBuilder]: For program point L493(lines 493 497) no Hoare annotation was computed. [2021-12-22 08:35:25,497 INFO L858 garLoopResultBuilder]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2021-12-22 08:35:25,497 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 598) no Hoare annotation was computed. [2021-12-22 08:35:25,498 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 529) no Hoare annotation was computed. [2021-12-22 08:35:25,498 INFO L858 garLoopResultBuilder]: For program point L593-2(lines 592 606) no Hoare annotation was computed. [2021-12-22 08:35:25,498 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 562) no Hoare annotation was computed. [2021-12-22 08:35:25,498 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 573) no Hoare annotation was computed. [2021-12-22 08:35:25,498 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 584) no Hoare annotation was computed. [2021-12-22 08:35:25,498 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-22 08:35:25,498 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2021-12-22 08:35:25,498 INFO L858 garLoopResultBuilder]: For program point L462(lines 462 464) no Hoare annotation was computed. [2021-12-22 08:35:25,498 INFO L854 garLoopResultBuilder]: At program point L132(lines 128 585) the Hoare annotation is: false [2021-12-22 08:35:25,499 INFO L858 garLoopResultBuilder]: For program point L595(lines 595 597) no Hoare annotation was computed. [2021-12-22 08:35:25,499 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 304) no Hoare annotation was computed. [2021-12-22 08:35:25,500 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2021-12-22 08:35:25,500 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 373) no Hoare annotation was computed. [2021-12-22 08:35:25,500 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 561) no Hoare annotation was computed. [2021-12-22 08:35:25,500 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 572) no Hoare annotation was computed. [2021-12-22 08:35:25,500 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 583) no Hoare annotation was computed. [2021-12-22 08:35:25,500 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2021-12-22 08:35:25,500 INFO L858 garLoopResultBuilder]: For program point L101-1(lines 83 621) no Hoare annotation was computed. [2021-12-22 08:35:25,504 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:35:25,504 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-22 08:35:25,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 08:35:25 BoogieIcfgContainer [2021-12-22 08:35:25,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-22 08:35:25,535 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 08:35:25,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 08:35:25,544 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 08:35:25,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:34:59" (3/4) ... [2021-12-22 08:35:25,546 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-22 08:35:25,556 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-22 08:35:25,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-22 08:35:25,559 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-22 08:35:25,559 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-22 08:35:25,614 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 08:35:25,614 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 08:35:25,614 INFO L158 Benchmark]: Toolchain (without parser) took 27196.96ms. Allocated memory was 102.8MB in the beginning and 497.0MB in the end (delta: 394.3MB). Free memory was 72.5MB in the beginning and 313.2MB in the end (delta: -240.7MB). Peak memory consumption was 154.1MB. Max. memory is 16.1GB. [2021-12-22 08:35:25,614 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 08:35:25,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.11ms. Allocated memory is still 102.8MB. Free memory was 72.2MB in the beginning and 75.4MB in the end (delta: -3.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-22 08:35:25,615 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.52ms. Allocated memory is still 102.8MB. Free memory was 75.0MB in the beginning and 72.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-22 08:35:25,615 INFO L158 Benchmark]: Boogie Preprocessor took 32.05ms. Allocated memory is still 102.8MB. Free memory was 72.0MB in the beginning and 70.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 08:35:25,615 INFO L158 Benchmark]: RCFGBuilder took 585.32ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 70.3MB in the beginning and 93.9MB in the end (delta: -23.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-12-22 08:35:25,615 INFO L158 Benchmark]: TraceAbstraction took 26101.11ms. Allocated memory was 123.7MB in the beginning and 497.0MB in the end (delta: 373.3MB). Free memory was 93.3MB in the beginning and 324.8MB in the end (delta: -231.5MB). Peak memory consumption was 308.7MB. Max. memory is 16.1GB. [2021-12-22 08:35:25,616 INFO L158 Benchmark]: Witness Printer took 78.69ms. Allocated memory is still 497.0MB. Free memory was 324.8MB in the beginning and 313.2MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-22 08:35:25,616 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.11ms. Allocated memory is still 102.8MB. Free memory was 72.2MB in the beginning and 75.4MB in the end (delta: -3.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.52ms. Allocated memory is still 102.8MB. Free memory was 75.0MB in the beginning and 72.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.05ms. Allocated memory is still 102.8MB. Free memory was 72.0MB in the beginning and 70.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 585.32ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 70.3MB in the beginning and 93.9MB in the end (delta: -23.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 26101.11ms. Allocated memory was 123.7MB in the beginning and 497.0MB in the end (delta: 373.3MB). Free memory was 93.3MB in the beginning and 324.8MB in the end (delta: -231.5MB). Peak memory consumption was 308.7MB. Max. memory is 16.1GB. * Witness Printer took 78.69ms. Allocated memory is still 497.0MB. Free memory was 324.8MB in the beginning and 313.2MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. 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: 619]: 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, 141 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.0s, OverallIterations: 37, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4941 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4941 mSDsluCounter, 11931 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4565 mSDsCounter, 1100 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4975 IncrementalHoareTripleChecker+Invalid, 6075 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1100 mSolverCounterUnsat, 7366 mSDtfsCounter, 4975 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4669 GetRequests, 4602 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5239occurred in iteration=26, InterpolantAutomatonStates: 127, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 37 MinimizatonAttempts, 8533 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 28 PreInvPairs, 192 NumberOfFragments, 2170 HoareAnnotationTreeSize, 28 FomulaSimplifications, 48158 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 28 FomulaSimplificationsInter, 152755 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 11088 NumberOfCodeBlocks, 11088 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 12832 ConstructedInterpolants, 0 QuantifiedInterpolants, 17071 SizeOfPredicates, 4 NumberOfNonLiveVariables, 4555 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 48 InterpolantComputations, 33 PerfectInterpolantSequences, 54520/54748 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: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((((((((!(8448 == s__state) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag == 1) && !(8497 == s__state)) && 8496 < s__state) && !(s__state == 8480)) && !(8560 == s__state)) && s__state <= 8576) || (((((((((!(8448 == s__state) && !(s__state == 8561)) && !(s__state == 8481)) && 2 == blastFlag) && !(8497 == s__state)) && 8496 < s__state) && !(s__state == 8480)) && 0 == s__hit) && !(8560 == s__state)) && s__state <= 8576) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((((((((((((!(s__state == 8561) && !(s__state == 8545)) && !(s__state == 8481)) && !(8497 == s__state)) && !(s__state == 8640)) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8640) && !(8496 == s__state)) && !(8544 == s__state)) && !(s__state == 8480)) && 8480 <= s__state) && !(8560 == s__state)) || (((((((((((!(s__state == 8561) && !(s__state == 8545)) && !(s__state == 8481)) && 2 == blastFlag) && !(8497 == s__state)) && !(s__state == 8640)) && s__state <= 8640) && !(8496 == s__state)) && !(8544 == s__state)) && !(s__state == 8480)) && 8480 <= s__state) && !(8560 == s__state))) || (((((((((((!(s__state == 8561) && !(s__state == 8545)) && !(s__state == 8481)) && blastFlag == 1) && !(8497 == s__state)) && !(s__state == 8640)) && s__state <= 8640) && !(8496 == s__state)) && !(8544 == s__state)) && !(s__state == 8480)) && 8480 <= s__state) && !(8560 == s__state))) || (((((((((((!(s__state == 8561) && !(s__state == 8545)) && !(s__state == 8481)) && !(8497 == s__state)) && !(s__state == 8640)) && s__state <= 8640) && !(8496 == s__state)) && !(8544 == s__state)) && !(s__state == 8480)) && 8480 <= s__state) && blastFlag == 0) && !(8560 == s__state)) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((((blastFlag == 1 && !(s__state == 8672)) && !(s__state == 8640)) && 8640 <= s__state) && 0 == s__hit) && s__state <= 8672) || ((((2 == blastFlag && !(s__state == 8672)) && !(s__state == 8640)) && 8640 <= s__state) && s__state <= 8672)) || ((((((!(s__state == 8672) && !(s__state == 8640)) && s__s3__tmp__next_state___0 <= 8640) && 8640 <= s__state) && blastFlag == 0) && !(0 == s__hit)) && s__state <= 8672) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: ((((((((!(s__state == 8561) && !(s__state == 8545)) && blastFlag == 1) && !(8497 == s__state)) && !(s__state == 8640)) && s__state <= 8640) && !(8544 == s__state)) && 8496 < s__state) && !(8560 == s__state)) || (((((((((!(s__state == 8561) && !(s__state == 8545)) && 2 == blastFlag) && !(8497 == s__state)) && !(s__state == 8640)) && s__state <= 8640) && !(8544 == s__state)) && 8496 < s__state) && 0 == s__hit) && !(8560 == s__state)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((((((!(8448 == s__state) && !(s__state == 8481)) && 2 == blastFlag) && !(s__state == 8480)) && 0 == s__hit) && 8448 <= s__state) && !(8496 <= s__state)) || (((((!(8448 == s__state) && !(s__state == 8481)) && !(s__state == 8480)) && 8448 <= s__state) && blastFlag == 0) && !(8496 <= s__state))) || (((((!(8448 == s__state) && !(s__state == 8481)) && blastFlag == 1) && !(s__state == 8480)) && 8448 <= s__state) && !(8496 <= s__state)) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: ((((((((!(8448 == s__state) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag == 1) && !(8497 == s__state)) && 8496 < s__state) && !(s__state == 8480)) && !(8560 == s__state)) && s__state <= 8576) || (((((((((!(8448 == s__state) && !(s__state == 8561)) && !(s__state == 8481)) && 2 == blastFlag) && !(8497 == s__state)) && 8496 < s__state) && !(s__state == 8480)) && 0 == s__hit) && !(8560 == s__state)) && s__state <= 8576) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((8640 <= s__state && s__state <= 8640) && blastFlag == 0) && !(0 == s__hit)) || ((((8640 <= s__s3__tmp__next_state___0 && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448) && 8448 <= s__state) && !(0 == s__hit))) || (((s__s3__tmp__next_state___0 <= 8640 && 8640 <= s__state) && s__state <= 8640) && !(0 == s__hit))) || ((((!(s__state == 8657) && blastFlag == 1) && 8640 <= s__state) && 0 == s__hit) && s__state <= 8672)) || ((((((!(8448 == s__state) && !(s__state == 8481)) && 2 == blastFlag) && !(s__state == 8480)) && 0 == s__hit) && 8448 <= s__state) && !(8496 <= s__state))) || (((((!(8448 == s__state) && !(s__state == 8481)) && !(s__state == 8480)) && 8448 <= s__state) && blastFlag == 0) && !(8496 <= s__state))) || (s__s3__tmp__next_state___0 <= 8640 && s__state == 3)) || ((((((((((!(s__state == 8561) && !(s__state == 8545)) && !(s__state == 8481)) && 2 == blastFlag) && !(s__state == 8657)) && !(s__state == 8672)) && !(8497 == s__state)) && !(s__state == 8480)) && 0 == s__hit) && 8480 <= s__state) && s__state <= 8672)) || (((((((!(s__state == 8561) && !(s__state == 8545)) && !(s__state == 8481)) && blastFlag == 1) && !(8497 == s__state)) && !(s__state == 8480)) && 8480 <= s__state) && s__state <= 8576)) || ((8672 <= s__state && 3 == blastFlag) && s__state <= 8672)) || ((((blastFlag == 1 && s__state <= 8448) && 8496 < s__s3__tmp__next_state___0) && 8448 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || (((((!(8448 == s__state) && !(s__state == 8481)) && blastFlag == 1) && !(s__state == 8480)) && 8448 <= s__state) && !(8496 <= s__state))) || (((((2 == blastFlag && !(s__state == 8657)) && !(s__state == 8672)) && !(s__state == 8640)) && 8640 <= s__state) && s__state <= 8672)) || (2 == blastFlag && s__state == 3)) || ((((3 == blastFlag && s__state <= 8448) && 3 == s__s3__tmp__next_state___0) && 0 == s__hit) && 8448 <= s__state)) || (blastFlag == 1 && s__state == 3)) || (((((2 == blastFlag && s__state <= 8448) && 8496 < s__s3__tmp__next_state___0) && 0 == s__hit) && 8448 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || (((((!(s__state == 8561) && !(s__state == 8545)) && blastFlag == 1) && !(8497 == s__state)) && s__state <= 8640) && 8496 < s__state)) || (((((!(s__state == 8657) && s__s3__tmp__next_state___0 <= 8640) && 8640 <= s__state) && blastFlag == 0) && !(0 == s__hit)) && s__state <= 8672)) || ((((blastFlag == 1 && !(s__state <= 8496)) && 8496 < s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576)) || (((((2 == blastFlag && 8496 < s__state) && 8496 < s__s3__tmp__next_state___0) && 0 == s__hit) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576)) || (s__state == 3 && blastFlag == 0)) || ((((blastFlag == 1 && s__state <= 8448) && 3 == s__s3__tmp__next_state___0) && 0 == s__hit) && 8448 <= s__state) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: (((((((!(s__state == 8561) && !(s__state == 8545)) && blastFlag == 1) && !(8497 == s__state)) && !(8544 == s__state)) && 8496 < s__state) && !(8560 == s__state)) && s__state <= 8576) || ((((((((!(s__state == 8561) && !(s__state == 8545)) && 2 == blastFlag) && !(8497 == s__state)) && !(8544 == s__state)) && 8496 < s__state) && 0 == s__hit) && !(8560 == s__state)) && s__state <= 8576) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((((8640 <= s__s3__tmp__next_state___0 && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448) && 8448 <= s__state) && !(0 == s__hit)) || ((((blastFlag == 1 && s__state <= 8448) && 8496 < s__s3__tmp__next_state___0) && 8448 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || ((((3 == blastFlag && s__state <= 8448) && 3 == s__s3__tmp__next_state___0) && 0 == s__hit) && 8448 <= s__state)) || (((((2 == blastFlag && s__state <= 8448) && 8496 < s__s3__tmp__next_state___0) && 0 == s__hit) && 8448 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || ((((blastFlag == 1 && s__state <= 8448) && 3 == s__s3__tmp__next_state___0) && 0 == s__hit) && 8448 <= s__state) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((((((((!(s__state == 8561) && !(s__state == 8545)) && blastFlag == 1) && !(8497 == s__state)) && !(s__state == 8640)) && s__state <= 8640) && !(8544 == s__state)) && 8496 < s__state) && !(8560 == s__state)) || (((((((((!(s__state == 8561) && !(s__state == 8545)) && 2 == blastFlag) && !(8497 == s__state)) && !(s__state == 8640)) && s__state <= 8640) && !(8544 == s__state)) && 8496 < s__state) && 0 == s__hit) && !(8560 == s__state)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: ((((((((!(8448 == s__state) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag == 1) && !(8497 == s__state)) && 8496 < s__state) && !(s__state == 8480)) && !(8560 == s__state)) && s__state <= 8576) || (((((((((!(8448 == s__state) && !(s__state == 8561)) && !(s__state == 8481)) && 2 == blastFlag) && !(8497 == s__state)) && 8496 < s__state) && !(s__state == 8480)) && 0 == s__hit) && !(8560 == s__state)) && s__state <= 8576) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: (((((8672 <= s__state && blastFlag == 1) && s__state < 16384) && !(12292 == s__state)) && 0 == s__hit) || (((8672 <= s__state && 3 == blastFlag) && s__state < 16384) && !(12292 == s__state))) || (((((8672 <= s__state && s__s3__tmp__next_state___0 <= 8640) && s__state < 16384) && !(12292 == s__state)) && blastFlag == 0) && !(0 == s__hit)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((((((!(s__state == 8561) && !(s__state == 8545)) && blastFlag == 1) && !(8497 == s__state)) && !(8544 == s__state)) && 8496 < s__state) && !(8560 == s__state)) && s__state <= 8576) || ((((((((!(s__state == 8561) && !(s__state == 8545)) && 2 == blastFlag) && !(8497 == s__state)) && !(8544 == s__state)) && 8496 < s__state) && 0 == s__hit) && !(8560 == s__state)) && s__state <= 8576) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((((!(s__state == 8545) && blastFlag == 1) && !(8497 == s__state)) && !(8544 == s__state)) && 8496 < s__state) && s__state <= 8576) || ((((((!(s__state == 8545) && 2 == blastFlag) && !(8497 == s__state)) && !(8544 == s__state)) && 8496 < s__state) && 0 == s__hit) && s__state <= 8576) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((((((!(s__state == 8561) && !(s__state == 8545)) && blastFlag == 1) && !(8497 == s__state)) && !(s__state == 8640)) && s__state <= 8640) && !(8544 == s__state)) && 8496 < s__state) && !(8560 == s__state)) || (((((((((!(s__state == 8561) && !(s__state == 8545)) && 2 == blastFlag) && !(8497 == s__state)) && !(s__state == 8640)) && s__state <= 8640) && !(8544 == s__state)) && 8496 < s__state) && 0 == s__hit) && !(8560 == s__state)) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((((((((!(s__state == 8561) && !(s__state == 8545)) && !(s__state == 8481)) && 2 == blastFlag) && !(8544 == s__state)) && !(s__state == 8480)) && 0 == s__hit) && 8480 <= s__state) && !(8560 == s__state)) && s__state <= 8576) || ((((((((!(s__state == 8561) && !(s__state == 8545)) && !(s__state == 8481)) && blastFlag == 1) && !(8544 == s__state)) && !(s__state == 8480)) && 8480 <= s__state) && !(8560 == s__state)) && s__state <= 8576) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (((((8640 <= s__state && s__state <= 8640) && blastFlag == 0) && !(0 == s__hit)) || (((((2 == blastFlag && !(s__state == 8657)) && !(s__state == 8672)) && 8640 <= s__state) && !(s__state == 8656)) && s__state <= 8672)) || (((((((((((((!(s__state == 8561) && !(s__state == 8545)) && !(s__state == 8481)) && !(s__state == 8657)) && blastFlag == 1) && !(s__state == 8672)) && !(8497 == s__state)) && 8640 <= s__state) && !(8496 == s__state)) && !(8544 == s__state)) && !(s__state == 8480)) && !(s__state == 8656)) && !(8560 == s__state)) && s__state <= 8672)) || ((((((((((((((!(s__state == 8561) && !(s__state == 8545)) && !(s__state == 8481)) && !(s__state == 8657)) && !(s__state == 8672)) && !(8497 == s__state)) && s__s3__tmp__next_state___0 <= 8640) && 8640 <= s__state) && !(8496 == s__state)) && !(8544 == s__state)) && !(s__state == 8480)) && !(s__state == 8656)) && !(0 == s__hit)) && !(8560 == s__state)) && s__state <= 8672) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((((((!(s__state == 8561) && !(s__state == 8545)) && blastFlag == 1) && !(8497 == s__state)) && !(8544 == s__state)) && 8496 < s__state) && !(8560 == s__state)) && s__state <= 8576) || ((((((((!(s__state == 8561) && !(s__state == 8545)) && 2 == blastFlag) && !(8497 == s__state)) && !(8544 == s__state)) && 8496 < s__state) && 0 == s__hit) && !(8560 == s__state)) && s__state <= 8576) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((8640 <= s__state && s__state <= 8640) && blastFlag == 0) && !(0 == s__hit)) || ((((8640 <= s__s3__tmp__next_state___0 && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448) && 8448 <= s__state) && !(0 == s__hit))) || (((s__s3__tmp__next_state___0 <= 8640 && 8640 <= s__state) && s__state <= 8640) && !(0 == s__hit))) || ((((!(s__state == 8657) && blastFlag == 1) && 8640 <= s__state) && 0 == s__hit) && s__state <= 8672)) || ((((((!(8448 == s__state) && !(s__state == 8481)) && 2 == blastFlag) && !(s__state == 8480)) && 0 == s__hit) && 8448 <= s__state) && !(8496 <= s__state))) || (s__s3__tmp__next_state___0 <= 8640 && s__state == 3)) || ((((((((((!(s__state == 8561) && !(s__state == 8545)) && !(s__state == 8481)) && 2 == blastFlag) && !(s__state == 8657)) && !(s__state == 8672)) && !(8497 == s__state)) && !(s__state == 8480)) && 0 == s__hit) && 8480 <= s__state) && s__state <= 8672)) || (((((((!(s__state == 8561) && !(s__state == 8545)) && !(s__state == 8481)) && blastFlag == 1) && !(8497 == s__state)) && !(s__state == 8480)) && 8480 <= s__state) && s__state <= 8576)) || ((8672 <= s__state && 3 == blastFlag) && s__state <= 8672)) || ((((blastFlag == 1 && s__state <= 8448) && 8496 < s__s3__tmp__next_state___0) && 8448 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || (((((!(8448 == s__state) && !(s__state == 8481)) && blastFlag == 1) && !(s__state == 8480)) && 8448 <= s__state) && !(8496 <= s__state))) || (((((2 == blastFlag && !(s__state == 8657)) && !(s__state == 8672)) && !(s__state == 8640)) && 8640 <= s__state) && s__state <= 8672)) || (2 == blastFlag && s__state == 3)) || ((((3 == blastFlag && s__state <= 8448) && 3 == s__s3__tmp__next_state___0) && 0 == s__hit) && 8448 <= s__state)) || (blastFlag == 1 && s__state == 3)) || (((((2 == blastFlag && s__state <= 8448) && 8496 < s__s3__tmp__next_state___0) && 0 == s__hit) && 8448 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || (((((!(s__state == 8561) && !(s__state == 8545)) && blastFlag == 1) && !(8497 == s__state)) && s__state <= 8640) && 8496 < s__state)) || (((((!(s__state == 8657) && s__s3__tmp__next_state___0 <= 8640) && 8640 <= s__state) && blastFlag == 0) && !(0 == s__hit)) && s__state <= 8672)) || ((((blastFlag == 1 && !(s__state <= 8496)) && 8496 < s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576)) || (((((2 == blastFlag && 8496 < s__state) && 8496 < s__s3__tmp__next_state___0) && 0 == s__hit) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576)) || (s__state == 3 && blastFlag == 0)) || ((((blastFlag == 1 && s__state <= 8448) && 3 == s__s3__tmp__next_state___0) && 0 == s__hit) && 8448 <= s__state) RESULT: Ultimate proved your program to be correct! [2021-12-22 08:35:25,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE