./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label08.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem15_label08.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 8bb11b03e1d6962fa6d12d5d93aa1dd97aef360b3e232443e9b2cf50f9d87a21 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 00:01:20,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 00:01:20,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 00:01:20,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 00:01:20,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 00:01:20,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 00:01:20,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 00:01:20,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 00:01:20,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 00:01:20,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 00:01:20,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 00:01:20,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 00:01:20,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 00:01:20,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 00:01:20,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 00:01:20,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 00:01:20,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 00:01:20,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 00:01:20,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 00:01:20,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 00:01:20,556 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 00:01:20,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 00:01:20,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 00:01:20,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 00:01:20,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 00:01:20,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 00:01:20,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 00:01:20,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 00:01:20,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 00:01:20,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 00:01:20,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 00:01:20,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 00:01:20,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 00:01:20,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 00:01:20,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 00:01:20,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 00:01:20,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 00:01:20,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 00:01:20,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 00:01:20,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 00:01:20,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 00:01:20,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 00:01:20,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 00:01:20,636 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 00:01:20,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 00:01:20,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 00:01:20,637 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 00:01:20,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 00:01:20,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 00:01:20,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 00:01:20,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 00:01:20,639 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 00:01:20,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 00:01:20,640 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 00:01:20,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 00:01:20,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 00:01:20,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 00:01:20,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 00:01:20,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 00:01:20,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 00:01:20,641 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 00:01:20,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 00:01:20,641 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 00:01:20,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 00:01:20,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 00:01:20,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 00:01:20,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 00:01:20,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 00:01:20,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 00:01:20,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 00:01:20,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 00:01:20,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 00:01:20,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 00:01:20,643 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 00:01:20,643 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 00:01:20,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 00:01:20,644 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bb11b03e1d6962fa6d12d5d93aa1dd97aef360b3e232443e9b2cf50f9d87a21 [2022-07-21 00:01:21,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 00:01:21,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 00:01:21,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 00:01:21,191 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 00:01:21,192 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 00:01:21,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label08.c [2022-07-21 00:01:21,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd63f7930/7f280f65152f41f980f8c950b4d4415b/FLAGe4e281c2a [2022-07-21 00:01:22,148 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 00:01:22,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label08.c [2022-07-21 00:01:22,181 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd63f7930/7f280f65152f41f980f8c950b4d4415b/FLAGe4e281c2a [2022-07-21 00:01:22,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd63f7930/7f280f65152f41f980f8c950b4d4415b [2022-07-21 00:01:22,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 00:01:22,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 00:01:22,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 00:01:22,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 00:01:22,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 00:01:22,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:01:22" (1/1) ... [2022-07-21 00:01:22,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b2229c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:01:22, skipping insertion in model container [2022-07-21 00:01:22,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:01:22" (1/1) ... [2022-07-21 00:01:22,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 00:01:22,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 00:01:22,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label08.c[6299,6312] [2022-07-21 00:01:23,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 00:01:23,208 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 00:01:23,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label08.c[6299,6312] [2022-07-21 00:01:23,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 00:01:23,722 INFO L208 MainTranslator]: Completed translation [2022-07-21 00:01:23,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:01:23 WrapperNode [2022-07-21 00:01:23,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 00:01:23,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 00:01:23,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 00:01:23,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 00:01:23,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:01:23" (1/1) ... [2022-07-21 00:01:23,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:01:23" (1/1) ... [2022-07-21 00:01:24,112 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2022-07-21 00:01:24,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 00:01:24,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 00:01:24,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 00:01:24,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 00:01:24,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:01:23" (1/1) ... [2022-07-21 00:01:24,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:01:23" (1/1) ... [2022-07-21 00:01:24,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:01:23" (1/1) ... [2022-07-21 00:01:24,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:01:23" (1/1) ... [2022-07-21 00:01:24,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:01:23" (1/1) ... [2022-07-21 00:01:24,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:01:23" (1/1) ... [2022-07-21 00:01:24,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:01:23" (1/1) ... [2022-07-21 00:01:24,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 00:01:24,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 00:01:24,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 00:01:24,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 00:01:24,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:01:23" (1/1) ... [2022-07-21 00:01:24,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 00:01:24,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:01:24,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 00:01:24,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 00:01:24,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 00:01:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 00:01:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 00:01:24,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 00:01:24,724 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 00:01:24,731 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 00:01:27,347 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 00:01:27,355 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 00:01:27,356 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 00:01:27,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:01:27 BoogieIcfgContainer [2022-07-21 00:01:27,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 00:01:27,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 00:01:27,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 00:01:27,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 00:01:27,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:01:22" (1/3) ... [2022-07-21 00:01:27,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b709e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:01:27, skipping insertion in model container [2022-07-21 00:01:27,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:01:23" (2/3) ... [2022-07-21 00:01:27,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b709e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:01:27, skipping insertion in model container [2022-07-21 00:01:27,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:01:27" (3/3) ... [2022-07-21 00:01:27,372 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label08.c [2022-07-21 00:01:27,382 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 00:01:27,382 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 00:01:27,441 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 00:01:27,448 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6711bdd3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4715049 [2022-07-21 00:01:27,448 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 00:01:27,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:27,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-21 00:01:27,467 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:01:27,468 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:01:27,468 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:01:27,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:01:27,473 INFO L85 PathProgramCache]: Analyzing trace with hash 2122806209, now seen corresponding path program 1 times [2022-07-21 00:01:27,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:01:27,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639902156] [2022-07-21 00:01:27,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:01:27,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:01:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:01:27,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:01:27,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:01:27,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639902156] [2022-07-21 00:01:27,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639902156] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:01:27,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:01:27,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:01:27,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246134592] [2022-07-21 00:01:27,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:01:27,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:01:27,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:01:27,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:01:27,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:27,738 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 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 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:29,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:01:29,828 INFO L93 Difference]: Finished difference Result 1155 states and 2106 transitions. [2022-07-21 00:01:29,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:01:29,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-07-21 00:01:29,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:01:29,843 INFO L225 Difference]: With dead ends: 1155 [2022-07-21 00:01:29,843 INFO L226 Difference]: Without dead ends: 667 [2022-07-21 00:01:29,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:29,861 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 293 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-21 00:01:29,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 371 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-21 00:01:29,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2022-07-21 00:01:29,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 665. [2022-07-21 00:01:30,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 664 states have (on average 1.4789156626506024) internal successors, (982), 664 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:30,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 982 transitions. [2022-07-21 00:01:30,017 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 982 transitions. Word has length 51 [2022-07-21 00:01:30,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:01:30,020 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 982 transitions. [2022-07-21 00:01:30,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:30,021 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 982 transitions. [2022-07-21 00:01:30,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-21 00:01:30,030 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:01:30,030 INFO L195 NwaCegarLoop]: 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, 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] [2022-07-21 00:01:30,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 00:01:30,031 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:01:30,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:01:30,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1480819463, now seen corresponding path program 1 times [2022-07-21 00:01:30,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:01:30,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659383765] [2022-07-21 00:01:30,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:01:30,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:01:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:01:30,260 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:01:30,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:01:30,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659383765] [2022-07-21 00:01:30,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659383765] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:01:30,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:01:30,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:01:30,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473559565] [2022-07-21 00:01:30,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:01:30,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:01:30,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:01:30,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:01:30,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:30,271 INFO L87 Difference]: Start difference. First operand 665 states and 982 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 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) [2022-07-21 00:01:32,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:01:32,809 INFO L93 Difference]: Finished difference Result 1955 states and 2894 transitions. [2022-07-21 00:01:32,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:01:32,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 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 126 [2022-07-21 00:01:32,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:01:32,815 INFO L225 Difference]: With dead ends: 1955 [2022-07-21 00:01:32,815 INFO L226 Difference]: Without dead ends: 1292 [2022-07-21 00:01:32,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:32,818 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 258 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-21 00:01:32,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 327 Invalid, 1249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-21 00:01:32,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2022-07-21 00:01:32,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1282. [2022-07-21 00:01:32,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1281 states have (on average 1.3989071038251366) internal successors, (1792), 1281 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:32,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1792 transitions. [2022-07-21 00:01:32,895 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1792 transitions. Word has length 126 [2022-07-21 00:01:32,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:01:32,904 INFO L495 AbstractCegarLoop]: Abstraction has 1282 states and 1792 transitions. [2022-07-21 00:01:32,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 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) [2022-07-21 00:01:32,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1792 transitions. [2022-07-21 00:01:32,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 00:01:32,910 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:01:32,911 INFO L195 NwaCegarLoop]: 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, 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] [2022-07-21 00:01:32,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 00:01:32,913 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:01:32,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:01:32,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1300617233, now seen corresponding path program 1 times [2022-07-21 00:01:32,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:01:32,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939612635] [2022-07-21 00:01:32,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:01:32,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:01:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:01:33,116 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:01:33,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:01:33,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939612635] [2022-07-21 00:01:33,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939612635] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:01:33,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:01:33,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:01:33,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278306829] [2022-07-21 00:01:33,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:01:33,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:01:33,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:01:33,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:01:33,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:33,120 INFO L87 Difference]: Start difference. First operand 1282 states and 1792 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:35,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:01:35,221 INFO L93 Difference]: Finished difference Result 3764 states and 5263 transitions. [2022-07-21 00:01:35,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:01:35,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 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 130 [2022-07-21 00:01:35,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:01:35,238 INFO L225 Difference]: With dead ends: 3764 [2022-07-21 00:01:35,239 INFO L226 Difference]: Without dead ends: 2484 [2022-07-21 00:01:35,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:35,253 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 236 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-21 00:01:35,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 366 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-21 00:01:35,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2022-07-21 00:01:35,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2182. [2022-07-21 00:01:35,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2181 states have (on average 1.2815222375057314) internal successors, (2795), 2181 states have internal predecessors, (2795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:35,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2795 transitions. [2022-07-21 00:01:35,328 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2795 transitions. Word has length 130 [2022-07-21 00:01:35,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:01:35,330 INFO L495 AbstractCegarLoop]: Abstraction has 2182 states and 2795 transitions. [2022-07-21 00:01:35,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:35,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2795 transitions. [2022-07-21 00:01:35,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-07-21 00:01:35,343 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:01:35,344 INFO L195 NwaCegarLoop]: 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:01:35,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 00:01:35,344 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:01:35,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:01:35,345 INFO L85 PathProgramCache]: Analyzing trace with hash 26872092, now seen corresponding path program 1 times [2022-07-21 00:01:35,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:01:35,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510709252] [2022-07-21 00:01:35,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:01:35,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:01:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:01:35,626 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-07-21 00:01:35,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:01:35,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510709252] [2022-07-21 00:01:35,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510709252] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:01:35,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:01:35,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:01:35,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949972836] [2022-07-21 00:01:35,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:01:35,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:01:35,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:01:35,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:01:35,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:35,628 INFO L87 Difference]: Start difference. First operand 2182 states and 2795 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 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) [2022-07-21 00:01:36,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:01:36,613 INFO L93 Difference]: Finished difference Result 6166 states and 7961 transitions. [2022-07-21 00:01:36,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:01:36,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 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 221 [2022-07-21 00:01:36,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:01:36,625 INFO L225 Difference]: With dead ends: 6166 [2022-07-21 00:01:36,639 INFO L226 Difference]: Without dead ends: 3986 [2022-07-21 00:01:36,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:36,649 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 00:01:36,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 00:01:36,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3986 states. [2022-07-21 00:01:36,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3986 to 3682. [2022-07-21 00:01:36,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3682 states, 3681 states have (on average 1.2200488997555012) internal successors, (4491), 3681 states have internal predecessors, (4491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:36,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 3682 states and 4491 transitions. [2022-07-21 00:01:36,755 INFO L78 Accepts]: Start accepts. Automaton has 3682 states and 4491 transitions. Word has length 221 [2022-07-21 00:01:36,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:01:36,756 INFO L495 AbstractCegarLoop]: Abstraction has 3682 states and 4491 transitions. [2022-07-21 00:01:36,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 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) [2022-07-21 00:01:36,757 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 4491 transitions. [2022-07-21 00:01:36,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2022-07-21 00:01:36,760 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:01:36,760 INFO L195 NwaCegarLoop]: 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:01:36,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 00:01:36,761 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:01:36,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:01:36,761 INFO L85 PathProgramCache]: Analyzing trace with hash -758886988, now seen corresponding path program 1 times [2022-07-21 00:01:36,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:01:36,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728362436] [2022-07-21 00:01:36,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:01:36,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:01:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:01:37,034 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-07-21 00:01:37,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:01:37,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728362436] [2022-07-21 00:01:37,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728362436] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:01:37,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:01:37,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:01:37,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088082690] [2022-07-21 00:01:37,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:01:37,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:01:37,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:01:37,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:01:37,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:37,036 INFO L87 Difference]: Start difference. First operand 3682 states and 4491 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 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) [2022-07-21 00:01:38,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:01:38,232 INFO L93 Difference]: Finished difference Result 7661 states and 9291 transitions. [2022-07-21 00:01:38,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:01:38,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 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) Word has length 323 [2022-07-21 00:01:38,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:01:38,244 INFO L225 Difference]: With dead ends: 7661 [2022-07-21 00:01:38,244 INFO L226 Difference]: Without dead ends: 3981 [2022-07-21 00:01:38,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:38,252 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 00:01:38,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 00:01:38,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3981 states. [2022-07-21 00:01:38,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3981 to 3981. [2022-07-21 00:01:38,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3981 states, 3980 states have (on average 1.2050251256281408) internal successors, (4796), 3980 states have internal predecessors, (4796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:38,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 3981 states and 4796 transitions. [2022-07-21 00:01:38,303 INFO L78 Accepts]: Start accepts. Automaton has 3981 states and 4796 transitions. Word has length 323 [2022-07-21 00:01:38,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:01:38,304 INFO L495 AbstractCegarLoop]: Abstraction has 3981 states and 4796 transitions. [2022-07-21 00:01:38,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 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) [2022-07-21 00:01:38,307 INFO L276 IsEmpty]: Start isEmpty. Operand 3981 states and 4796 transitions. [2022-07-21 00:01:38,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-21 00:01:38,310 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:01:38,310 INFO L195 NwaCegarLoop]: 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:01:38,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 00:01:38,311 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:01:38,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:01:38,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1026245797, now seen corresponding path program 1 times [2022-07-21 00:01:38,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:01:38,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454527025] [2022-07-21 00:01:38,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:01:38,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:01:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:01:38,437 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-21 00:01:38,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:01:38,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454527025] [2022-07-21 00:01:38,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454527025] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:01:38,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:01:38,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:01:38,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394435490] [2022-07-21 00:01:38,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:01:38,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:01:38,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:01:38,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:01:38,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:38,440 INFO L87 Difference]: Start difference. First operand 3981 states and 4796 transitions. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:39,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:01:39,941 INFO L93 Difference]: Finished difference Result 8857 states and 10953 transitions. [2022-07-21 00:01:39,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:01:39,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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 338 [2022-07-21 00:01:39,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:01:39,976 INFO L225 Difference]: With dead ends: 8857 [2022-07-21 00:01:39,976 INFO L226 Difference]: Without dead ends: 5177 [2022-07-21 00:01:39,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:39,981 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 264 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 00:01:39,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 322 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 00:01:39,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5177 states. [2022-07-21 00:01:40,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5177 to 3678. [2022-07-21 00:01:40,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3678 states, 3677 states have (on average 1.2181125917867828) internal successors, (4479), 3677 states have internal predecessors, (4479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:40,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3678 states to 3678 states and 4479 transitions. [2022-07-21 00:01:40,032 INFO L78 Accepts]: Start accepts. Automaton has 3678 states and 4479 transitions. Word has length 338 [2022-07-21 00:01:40,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:01:40,032 INFO L495 AbstractCegarLoop]: Abstraction has 3678 states and 4479 transitions. [2022-07-21 00:01:40,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:40,033 INFO L276 IsEmpty]: Start isEmpty. Operand 3678 states and 4479 transitions. [2022-07-21 00:01:40,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-07-21 00:01:40,037 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:01:40,037 INFO L195 NwaCegarLoop]: 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:01:40,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 00:01:40,037 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:01:40,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:01:40,038 INFO L85 PathProgramCache]: Analyzing trace with hash 670102626, now seen corresponding path program 1 times [2022-07-21 00:01:40,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:01:40,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411712696] [2022-07-21 00:01:40,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:01:40,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:01:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:01:40,189 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-21 00:01:40,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:01:40,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411712696] [2022-07-21 00:01:40,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411712696] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:01:40,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:01:40,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:01:40,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652744531] [2022-07-21 00:01:40,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:01:40,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:01:40,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:01:40,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:01:40,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:40,191 INFO L87 Difference]: Start difference. First operand 3678 states and 4479 transitions. Second operand has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:41,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:01:41,637 INFO L93 Difference]: Finished difference Result 9157 states and 11369 transitions. [2022-07-21 00:01:41,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:01:41,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 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 397 [2022-07-21 00:01:41,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:01:41,654 INFO L225 Difference]: With dead ends: 9157 [2022-07-21 00:01:41,654 INFO L226 Difference]: Without dead ends: 5780 [2022-07-21 00:01:41,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:41,660 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 277 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 00:01:41,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 637 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 00:01:41,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5780 states. [2022-07-21 00:01:41,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5780 to 5182. [2022-07-21 00:01:41,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5182 states, 5181 states have (on average 1.1767998455896544) internal successors, (6097), 5181 states have internal predecessors, (6097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:41,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5182 states to 5182 states and 6097 transitions. [2022-07-21 00:01:41,752 INFO L78 Accepts]: Start accepts. Automaton has 5182 states and 6097 transitions. Word has length 397 [2022-07-21 00:01:41,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:01:41,753 INFO L495 AbstractCegarLoop]: Abstraction has 5182 states and 6097 transitions. [2022-07-21 00:01:41,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:41,754 INFO L276 IsEmpty]: Start isEmpty. Operand 5182 states and 6097 transitions. [2022-07-21 00:01:41,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-07-21 00:01:41,758 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:01:41,758 INFO L195 NwaCegarLoop]: 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:01:41,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 00:01:41,759 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:01:41,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:01:41,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1374004594, now seen corresponding path program 1 times [2022-07-21 00:01:41,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:01:41,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937358635] [2022-07-21 00:01:41,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:01:41,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:01:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:01:41,931 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:01:41,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:01:41,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937358635] [2022-07-21 00:01:41,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937358635] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:01:41,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:01:41,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:01:41,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524235776] [2022-07-21 00:01:41,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:01:41,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:01:41,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:01:41,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:01:41,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:41,934 INFO L87 Difference]: Start difference. First operand 5182 states and 6097 transitions. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:43,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:01:43,410 INFO L93 Difference]: Finished difference Result 10059 states and 11883 transitions. [2022-07-21 00:01:43,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:01:43,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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 403 [2022-07-21 00:01:43,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:01:43,453 INFO L225 Difference]: With dead ends: 10059 [2022-07-21 00:01:43,465 INFO L226 Difference]: Without dead ends: 5178 [2022-07-21 00:01:43,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:43,472 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 314 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 00:01:43,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 144 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 00:01:43,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5178 states. [2022-07-21 00:01:43,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5178 to 5176. [2022-07-21 00:01:43,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5176 states, 5175 states have (on average 1.1586473429951691) internal successors, (5996), 5175 states have internal predecessors, (5996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:43,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5176 states to 5176 states and 5996 transitions. [2022-07-21 00:01:43,656 INFO L78 Accepts]: Start accepts. Automaton has 5176 states and 5996 transitions. Word has length 403 [2022-07-21 00:01:43,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:01:43,659 INFO L495 AbstractCegarLoop]: Abstraction has 5176 states and 5996 transitions. [2022-07-21 00:01:43,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:43,659 INFO L276 IsEmpty]: Start isEmpty. Operand 5176 states and 5996 transitions. [2022-07-21 00:01:43,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-07-21 00:01:43,672 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:01:43,672 INFO L195 NwaCegarLoop]: 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:01:43,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 00:01:43,673 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:01:43,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:01:43,674 INFO L85 PathProgramCache]: Analyzing trace with hash -19384805, now seen corresponding path program 1 times [2022-07-21 00:01:43,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:01:43,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630707939] [2022-07-21 00:01:43,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:01:43,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:01:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:01:43,957 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:01:43,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:01:43,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630707939] [2022-07-21 00:01:43,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630707939] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:01:43,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:01:43,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:01:43,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46161778] [2022-07-21 00:01:43,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:01:43,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:01:43,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:01:43,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:01:43,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:43,960 INFO L87 Difference]: Start difference. First operand 5176 states and 5996 transitions. Second operand has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:45,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:01:45,599 INFO L93 Difference]: Finished difference Result 11857 states and 13998 transitions. [2022-07-21 00:01:45,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:01:45,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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 414 [2022-07-21 00:01:45,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:01:45,623 INFO L225 Difference]: With dead ends: 11857 [2022-07-21 00:01:45,623 INFO L226 Difference]: Without dead ends: 6982 [2022-07-21 00:01:45,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:45,645 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 247 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-21 00:01:45,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 599 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-21 00:01:45,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6982 states. [2022-07-21 00:01:45,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6982 to 6082. [2022-07-21 00:01:45,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6082 states, 6081 states have (on average 1.1494819930932412) internal successors, (6990), 6081 states have internal predecessors, (6990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:45,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6082 states to 6082 states and 6990 transitions. [2022-07-21 00:01:45,868 INFO L78 Accepts]: Start accepts. Automaton has 6082 states and 6990 transitions. Word has length 414 [2022-07-21 00:01:45,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:01:45,869 INFO L495 AbstractCegarLoop]: Abstraction has 6082 states and 6990 transitions. [2022-07-21 00:01:45,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:45,869 INFO L276 IsEmpty]: Start isEmpty. Operand 6082 states and 6990 transitions. [2022-07-21 00:01:45,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-07-21 00:01:45,874 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:01:45,874 INFO L195 NwaCegarLoop]: 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:01:45,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 00:01:45,875 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:01:45,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:01:45,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1017641080, now seen corresponding path program 1 times [2022-07-21 00:01:45,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:01:45,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370362879] [2022-07-21 00:01:45,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:01:45,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:01:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:01:46,224 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 49 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:01:46,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:01:46,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370362879] [2022-07-21 00:01:46,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370362879] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:01:46,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425179996] [2022-07-21 00:01:46,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:01:46,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:01:46,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:01:46,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 00:01:46,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 00:01:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:01:46,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 00:01:46,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:01:46,863 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-21 00:01:46,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:01:46,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425179996] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:01:46,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:01:46,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-21 00:01:46,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487319012] [2022-07-21 00:01:46,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:01:46,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:01:46,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:01:46,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:01:46,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:01:46,871 INFO L87 Difference]: Start difference. First operand 6082 states and 6990 transitions. Second operand has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:50,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:01:50,222 INFO L93 Difference]: Finished difference Result 14321 states and 16770 transitions. [2022-07-21 00:01:50,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:01:50,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 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 428 [2022-07-21 00:01:50,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:01:50,256 INFO L225 Difference]: With dead ends: 14321 [2022-07-21 00:01:50,257 INFO L226 Difference]: Without dead ends: 8540 [2022-07-21 00:01:50,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 427 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:01:50,275 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 365 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-21 00:01:50,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 540 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-21 00:01:50,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8540 states. [2022-07-21 00:01:50,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8540 to 8535. [2022-07-21 00:01:50,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8535 states, 8534 states have (on average 1.163229435200375) internal successors, (9927), 8534 states have internal predecessors, (9927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:50,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8535 states to 8535 states and 9927 transitions. [2022-07-21 00:01:50,478 INFO L78 Accepts]: Start accepts. Automaton has 8535 states and 9927 transitions. Word has length 428 [2022-07-21 00:01:50,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:01:50,479 INFO L495 AbstractCegarLoop]: Abstraction has 8535 states and 9927 transitions. [2022-07-21 00:01:50,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 8535 states and 9927 transitions. [2022-07-21 00:01:50,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-07-21 00:01:50,489 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:01:50,490 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:01:50,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 00:01:50,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-21 00:01:50,712 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:01:50,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:01:50,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1122204088, now seen corresponding path program 1 times [2022-07-21 00:01:50,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:01:50,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491946299] [2022-07-21 00:01:50,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:01:50,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:01:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:01:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-21 00:01:50,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:01:50,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491946299] [2022-07-21 00:01:50,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491946299] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:01:50,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:01:50,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:01:50,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454241742] [2022-07-21 00:01:50,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:01:50,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:01:50,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:01:50,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:01:50,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:50,985 INFO L87 Difference]: Start difference. First operand 8535 states and 9927 transitions. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:52,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:01:52,430 INFO L93 Difference]: Finished difference Result 19164 states and 22694 transitions. [2022-07-21 00:01:52,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:01:52,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 430 [2022-07-21 00:01:52,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:01:52,470 INFO L225 Difference]: With dead ends: 19164 [2022-07-21 00:01:52,470 INFO L226 Difference]: Without dead ends: 10930 [2022-07-21 00:01:52,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:52,484 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 236 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 00:01:52,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 616 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 00:01:52,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10930 states. [2022-07-21 00:01:52,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10930 to 10926. [2022-07-21 00:01:52,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10926 states, 10925 states have (on average 1.1475514874141877) internal successors, (12537), 10925 states have internal predecessors, (12537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:52,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10926 states to 10926 states and 12537 transitions. [2022-07-21 00:01:52,729 INFO L78 Accepts]: Start accepts. Automaton has 10926 states and 12537 transitions. Word has length 430 [2022-07-21 00:01:52,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:01:52,730 INFO L495 AbstractCegarLoop]: Abstraction has 10926 states and 12537 transitions. [2022-07-21 00:01:52,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:52,730 INFO L276 IsEmpty]: Start isEmpty. Operand 10926 states and 12537 transitions. [2022-07-21 00:01:52,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-07-21 00:01:52,747 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:01:52,748 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:01:52,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 00:01:52,749 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:01:52,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:01:52,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1198309214, now seen corresponding path program 1 times [2022-07-21 00:01:52,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:01:52,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905075142] [2022-07-21 00:01:52,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:01:52,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:01:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:01:53,079 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-21 00:01:53,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:01:53,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905075142] [2022-07-21 00:01:53,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905075142] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:01:53,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:01:53,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:01:53,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621677291] [2022-07-21 00:01:53,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:01:53,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:01:53,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:01:53,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:01:53,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:53,081 INFO L87 Difference]: Start difference. First operand 10926 states and 12537 transitions. Second operand has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:55,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:01:55,246 INFO L93 Difference]: Finished difference Result 28426 states and 32728 transitions. [2022-07-21 00:01:55,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:01:55,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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 500 [2022-07-21 00:01:55,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:01:55,365 INFO L225 Difference]: With dead ends: 28426 [2022-07-21 00:01:55,365 INFO L226 Difference]: Without dead ends: 17801 [2022-07-21 00:01:55,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:55,384 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 301 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 1186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-21 00:01:55,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 193 Invalid, 1186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-21 00:01:55,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17801 states. [2022-07-21 00:01:55,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17801 to 16007. [2022-07-21 00:01:55,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16007 states, 16006 states have (on average 1.140197425965263) internal successors, (18250), 16006 states have internal predecessors, (18250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:55,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16007 states to 16007 states and 18250 transitions. [2022-07-21 00:01:55,681 INFO L78 Accepts]: Start accepts. Automaton has 16007 states and 18250 transitions. Word has length 500 [2022-07-21 00:01:55,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:01:55,681 INFO L495 AbstractCegarLoop]: Abstraction has 16007 states and 18250 transitions. [2022-07-21 00:01:55,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:55,695 INFO L276 IsEmpty]: Start isEmpty. Operand 16007 states and 18250 transitions. [2022-07-21 00:01:55,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2022-07-21 00:01:55,699 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:01:55,701 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:01:55,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 00:01:55,702 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:01:55,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:01:55,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1989952700, now seen corresponding path program 1 times [2022-07-21 00:01:55,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:01:55,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665078962] [2022-07-21 00:01:55,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:01:55,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:01:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:01:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-07-21 00:01:56,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:01:56,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665078962] [2022-07-21 00:01:56,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665078962] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:01:56,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:01:56,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:01:56,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407455289] [2022-07-21 00:01:56,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:01:56,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:01:56,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:01:56,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:01:56,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:56,007 INFO L87 Difference]: Start difference. First operand 16007 states and 18250 transitions. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:57,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:01:57,764 INFO L93 Difference]: Finished difference Result 39511 states and 45421 transitions. [2022-07-21 00:01:57,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:01:57,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 539 [2022-07-21 00:01:57,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:01:57,831 INFO L225 Difference]: With dead ends: 39511 [2022-07-21 00:01:57,847 INFO L226 Difference]: Without dead ends: 23805 [2022-07-21 00:01:57,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:01:57,871 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 246 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 00:01:57,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 597 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 00:01:57,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23805 states. [2022-07-21 00:01:58,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23805 to 23187. [2022-07-21 00:01:58,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23187 states, 23186 states have (on average 1.1288708703527992) internal successors, (26174), 23186 states have internal predecessors, (26174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:58,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23187 states to 23187 states and 26174 transitions. [2022-07-21 00:01:58,332 INFO L78 Accepts]: Start accepts. Automaton has 23187 states and 26174 transitions. Word has length 539 [2022-07-21 00:01:58,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:01:58,333 INFO L495 AbstractCegarLoop]: Abstraction has 23187 states and 26174 transitions. [2022-07-21 00:01:58,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:01:58,333 INFO L276 IsEmpty]: Start isEmpty. Operand 23187 states and 26174 transitions. [2022-07-21 00:01:58,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2022-07-21 00:01:58,354 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:01:58,355 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:01:58,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-21 00:01:58,355 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:01:58,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:01:58,356 INFO L85 PathProgramCache]: Analyzing trace with hash -461697382, now seen corresponding path program 1 times [2022-07-21 00:01:58,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:01:58,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452077363] [2022-07-21 00:01:58,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:01:58,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:01:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:01:58,663 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 565 proven. 39 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-07-21 00:01:58,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:01:58,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452077363] [2022-07-21 00:01:58,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452077363] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:01:58,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689693467] [2022-07-21 00:01:58,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:01:58,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:01:58,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:01:58,672 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 00:01:58,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 00:01:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:01:59,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 00:01:59,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:01:59,117 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2022-07-21 00:01:59,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:01:59,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689693467] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:01:59,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:01:59,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-21 00:01:59,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072440115] [2022-07-21 00:01:59,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:01:59,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:01:59,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:01:59,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:01:59,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:01:59,121 INFO L87 Difference]: Start difference. First operand 23187 states and 26174 transitions. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:00,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:02:00,721 INFO L93 Difference]: Finished difference Result 49062 states and 55657 transitions. [2022-07-21 00:02:00,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:02:00,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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 579 [2022-07-21 00:02:00,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:02:00,755 INFO L225 Difference]: With dead ends: 49062 [2022-07-21 00:02:00,756 INFO L226 Difference]: Without dead ends: 26176 [2022-07-21 00:02:00,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 578 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:02:00,781 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 364 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 00:02:00,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 446 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 00:02:00,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26176 states. [2022-07-21 00:02:01,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26176 to 18639. [2022-07-21 00:02:01,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18639 states, 18638 states have (on average 1.1159459169438781) internal successors, (20799), 18638 states have internal predecessors, (20799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:01,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18639 states to 18639 states and 20799 transitions. [2022-07-21 00:02:01,406 INFO L78 Accepts]: Start accepts. Automaton has 18639 states and 20799 transitions. Word has length 579 [2022-07-21 00:02:01,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:02:01,406 INFO L495 AbstractCegarLoop]: Abstraction has 18639 states and 20799 transitions. [2022-07-21 00:02:01,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:01,407 INFO L276 IsEmpty]: Start isEmpty. Operand 18639 states and 20799 transitions. [2022-07-21 00:02:01,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2022-07-21 00:02:01,436 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:02:01,436 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:02:01,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 00:02:01,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-07-21 00:02:01,662 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:02:01,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:02:01,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1902678979, now seen corresponding path program 1 times [2022-07-21 00:02:01,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:02:01,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239812429] [2022-07-21 00:02:01,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:01,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:02:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:02,145 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2022-07-21 00:02:02,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:02:02,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239812429] [2022-07-21 00:02:02,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239812429] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:02:02,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:02:02,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:02:02,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823959669] [2022-07-21 00:02:02,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:02:02,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:02:02,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:02:02,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:02:02,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:02,161 INFO L87 Difference]: Start difference. First operand 18639 states and 20799 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:03,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:02:03,813 INFO L93 Difference]: Finished difference Result 42666 states and 47782 transitions. [2022-07-21 00:02:03,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:02:03,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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 613 [2022-07-21 00:02:03,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:02:03,841 INFO L225 Difference]: With dead ends: 42666 [2022-07-21 00:02:03,841 INFO L226 Difference]: Without dead ends: 24328 [2022-07-21 00:02:03,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:03,868 INFO L413 NwaCegarLoop]: 491 mSDtfsCounter, 293 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 00:02:03,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 517 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 1004 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 00:02:03,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24328 states. [2022-07-21 00:02:04,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24328 to 22822. [2022-07-21 00:02:04,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22822 states, 22821 states have (on average 1.1172165987467684) internal successors, (25496), 22821 states have internal predecessors, (25496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:04,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22822 states to 22822 states and 25496 transitions. [2022-07-21 00:02:04,188 INFO L78 Accepts]: Start accepts. Automaton has 22822 states and 25496 transitions. Word has length 613 [2022-07-21 00:02:04,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:02:04,188 INFO L495 AbstractCegarLoop]: Abstraction has 22822 states and 25496 transitions. [2022-07-21 00:02:04,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:04,189 INFO L276 IsEmpty]: Start isEmpty. Operand 22822 states and 25496 transitions. [2022-07-21 00:02:04,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2022-07-21 00:02:04,195 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:02:04,196 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:02:04,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-21 00:02:04,196 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:02:04,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:02:04,197 INFO L85 PathProgramCache]: Analyzing trace with hash -263241159, now seen corresponding path program 1 times [2022-07-21 00:02:04,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:02:04,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80198620] [2022-07-21 00:02:04,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:04,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:02:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:04,439 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 591 proven. 39 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-07-21 00:02:04,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:02:04,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80198620] [2022-07-21 00:02:04,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80198620] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:02:04,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93634014] [2022-07-21 00:02:04,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:04,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:02:04,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:02:04,456 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) [2022-07-21 00:02:04,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 00:02:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:04,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 00:02:04,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:02:04,805 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-07-21 00:02:04,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:02:04,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93634014] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:02:04,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:02:04,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-21 00:02:04,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551157794] [2022-07-21 00:02:04,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:02:04,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:02:04,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:02:04,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:02:04,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:02:04,816 INFO L87 Difference]: Start difference. First operand 22822 states and 25496 transitions. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:06,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:02:06,157 INFO L93 Difference]: Finished difference Result 45041 states and 50369 transitions. [2022-07-21 00:02:06,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:02:06,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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 615 [2022-07-21 00:02:06,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:02:06,188 INFO L225 Difference]: With dead ends: 45041 [2022-07-21 00:02:06,188 INFO L226 Difference]: Without dead ends: 22520 [2022-07-21 00:02:06,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 618 GetRequests, 614 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:02:06,230 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 280 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 00:02:06,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 600 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 00:02:06,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22520 states. [2022-07-21 00:02:06,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22520 to 21324. [2022-07-21 00:02:06,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21324 states, 21323 states have (on average 1.0816020259813348) internal successors, (23063), 21323 states have internal predecessors, (23063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:06,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21324 states to 21324 states and 23063 transitions. [2022-07-21 00:02:06,499 INFO L78 Accepts]: Start accepts. Automaton has 21324 states and 23063 transitions. Word has length 615 [2022-07-21 00:02:06,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:02:06,499 INFO L495 AbstractCegarLoop]: Abstraction has 21324 states and 23063 transitions. [2022-07-21 00:02:06,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:06,500 INFO L276 IsEmpty]: Start isEmpty. Operand 21324 states and 23063 transitions. [2022-07-21 00:02:06,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2022-07-21 00:02:06,510 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:02:06,511 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:02:06,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 00:02:06,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:02:06,742 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:02:06,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:02:06,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1631651871, now seen corresponding path program 1 times [2022-07-21 00:02:06,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:02:06,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504544557] [2022-07-21 00:02:06,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:06,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:02:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:06,990 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 549 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2022-07-21 00:02:06,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:02:06,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504544557] [2022-07-21 00:02:06,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504544557] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:02:06,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:02:06,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 00:02:06,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508459693] [2022-07-21 00:02:06,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:02:06,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 00:02:06,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:02:06,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 00:02:06,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 00:02:06,993 INFO L87 Difference]: Start difference. First operand 21324 states and 23063 transitions. Second operand has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:08,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:02:08,992 INFO L93 Difference]: Finished difference Result 52807 states and 56881 transitions. [2022-07-21 00:02:08,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 00:02:08,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 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 678 [2022-07-21 00:02:08,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:02:09,016 INFO L225 Difference]: With dead ends: 52807 [2022-07-21 00:02:09,017 INFO L226 Difference]: Without dead ends: 24309 [2022-07-21 00:02:09,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 00:02:09,033 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 735 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 2007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 00:02:09,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [735 Valid, 456 Invalid, 2007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [421 Valid, 1586 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 00:02:09,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24309 states. [2022-07-21 00:02:09,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24309 to 19525. [2022-07-21 00:02:09,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19525 states, 19524 states have (on average 1.033497234173325) internal successors, (20178), 19524 states have internal predecessors, (20178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:09,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19525 states to 19525 states and 20178 transitions. [2022-07-21 00:02:09,290 INFO L78 Accepts]: Start accepts. Automaton has 19525 states and 20178 transitions. Word has length 678 [2022-07-21 00:02:09,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:02:09,290 INFO L495 AbstractCegarLoop]: Abstraction has 19525 states and 20178 transitions. [2022-07-21 00:02:09,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:09,291 INFO L276 IsEmpty]: Start isEmpty. Operand 19525 states and 20178 transitions. [2022-07-21 00:02:09,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2022-07-21 00:02:09,300 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:02:09,300 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:02:09,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-21 00:02:09,300 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:02:09,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:02:09,301 INFO L85 PathProgramCache]: Analyzing trace with hash 221672370, now seen corresponding path program 1 times [2022-07-21 00:02:09,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:02:09,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032060021] [2022-07-21 00:02:09,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:09,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:02:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:09,492 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 536 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-07-21 00:02:09,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:02:09,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032060021] [2022-07-21 00:02:09,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032060021] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:02:09,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:02:09,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:02:09,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094616333] [2022-07-21 00:02:09,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:02:09,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:02:09,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:02:09,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:02:09,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:09,495 INFO L87 Difference]: Start difference. First operand 19525 states and 20178 transitions. Second operand has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:10,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:02:10,430 INFO L93 Difference]: Finished difference Result 39045 states and 40360 transitions. [2022-07-21 00:02:10,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:02:10,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 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 714 [2022-07-21 00:02:10,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:02:10,515 INFO L225 Difference]: With dead ends: 39045 [2022-07-21 00:02:10,516 INFO L226 Difference]: Without dead ends: 19821 [2022-07-21 00:02:10,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:10,530 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 461 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 00:02:10,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 67 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 00:02:10,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19821 states. [2022-07-21 00:02:10,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19821 to 19521. [2022-07-21 00:02:10,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19521 states, 19520 states have (on average 1.0333504098360655) internal successors, (20171), 19520 states have internal predecessors, (20171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:10,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19521 states to 19521 states and 20171 transitions. [2022-07-21 00:02:10,707 INFO L78 Accepts]: Start accepts. Automaton has 19521 states and 20171 transitions. Word has length 714 [2022-07-21 00:02:10,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:02:10,708 INFO L495 AbstractCegarLoop]: Abstraction has 19521 states and 20171 transitions. [2022-07-21 00:02:10,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:10,708 INFO L276 IsEmpty]: Start isEmpty. Operand 19521 states and 20171 transitions. [2022-07-21 00:02:10,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 719 [2022-07-21 00:02:10,715 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:02:10,716 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:02:10,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-21 00:02:10,729 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:02:10,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:02:10,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1295112793, now seen corresponding path program 1 times [2022-07-21 00:02:10,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:02:10,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726992737] [2022-07-21 00:02:10,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:10,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:02:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:11,056 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 477 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-07-21 00:02:11,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:02:11,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726992737] [2022-07-21 00:02:11,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726992737] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:02:11,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:02:11,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:02:11,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604960387] [2022-07-21 00:02:11,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:02:11,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:02:11,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:02:11,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:02:11,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:11,059 INFO L87 Difference]: Start difference. First operand 19521 states and 20171 transitions. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:12,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:02:12,218 INFO L93 Difference]: Finished difference Result 42941 states and 44361 transitions. [2022-07-21 00:02:12,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:02:12,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 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 718 [2022-07-21 00:02:12,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:02:12,241 INFO L225 Difference]: With dead ends: 42941 [2022-07-21 00:02:12,241 INFO L226 Difference]: Without dead ends: 23721 [2022-07-21 00:02:12,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:12,254 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 345 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 00:02:12,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 130 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 00:02:12,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23721 states. [2022-07-21 00:02:12,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23721 to 19818. [2022-07-21 00:02:12,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19818 states, 19817 states have (on average 1.032043195236413) internal successors, (20452), 19817 states have internal predecessors, (20452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:12,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19818 states to 19818 states and 20452 transitions. [2022-07-21 00:02:12,447 INFO L78 Accepts]: Start accepts. Automaton has 19818 states and 20452 transitions. Word has length 718 [2022-07-21 00:02:12,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:02:12,448 INFO L495 AbstractCegarLoop]: Abstraction has 19818 states and 20452 transitions. [2022-07-21 00:02:12,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:12,448 INFO L276 IsEmpty]: Start isEmpty. Operand 19818 states and 20452 transitions. [2022-07-21 00:02:12,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2022-07-21 00:02:12,455 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:02:12,456 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 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, 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, 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, 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, 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] [2022-07-21 00:02:12,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-21 00:02:12,456 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:02:12,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:02:12,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1415962773, now seen corresponding path program 1 times [2022-07-21 00:02:12,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:02:12,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656662202] [2022-07-21 00:02:12,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:12,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:02:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 223 proven. 405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:02:12,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:02:12,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656662202] [2022-07-21 00:02:12,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656662202] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:02:12,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419656512] [2022-07-21 00:02:12,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:12,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:02:12,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:02:12,785 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) [2022-07-21 00:02:12,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-21 00:02:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:13,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-21 00:02:13,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:02:15,848 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 473 proven. 49 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-21 00:02:15,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 00:02:18,310 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 473 proven. 49 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-21 00:02:18,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419656512] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 00:02:18,311 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 00:02:18,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2022-07-21 00:02:18,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023258523] [2022-07-21 00:02:18,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 00:02:18,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-21 00:02:18,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:02:18,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-21 00:02:18,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-07-21 00:02:18,318 INFO L87 Difference]: Start difference. First operand 19818 states and 20452 transitions. Second operand has 14 states, 14 states have (on average 114.85714285714286) internal successors, (1608), 14 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:29,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:02:29,798 INFO L93 Difference]: Finished difference Result 77176 states and 79593 transitions. [2022-07-21 00:02:29,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-07-21 00:02:29,799 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 114.85714285714286) internal successors, (1608), 14 states have internal predecessors, (1608), 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 [2022-07-21 00:02:29,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:02:29,883 INFO L225 Difference]: With dead ends: 77176 [2022-07-21 00:02:29,884 INFO L226 Difference]: Without dead ends: 57356 [2022-07-21 00:02:29,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1553 GetRequests, 1480 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2056 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1132, Invalid=4418, Unknown=0, NotChecked=0, Total=5550 [2022-07-21 00:02:29,904 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 9701 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 13852 mSolverCounterSat, 2089 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9701 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 15941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2089 IncrementalHoareTripleChecker+Valid, 13852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-07-21 00:02:29,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9701 Valid, 375 Invalid, 15941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2089 Valid, 13852 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2022-07-21 00:02:29,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57356 states. [2022-07-21 00:02:30,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57356 to 21910. [2022-07-21 00:02:30,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21910 states, 21909 states have (on average 1.0284358026381852) internal successors, (22532), 21909 states have internal predecessors, (22532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:30,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21910 states to 21910 states and 22532 transitions. [2022-07-21 00:02:30,325 INFO L78 Accepts]: Start accepts. Automaton has 21910 states and 22532 transitions. Word has length 723 [2022-07-21 00:02:30,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:02:30,326 INFO L495 AbstractCegarLoop]: Abstraction has 21910 states and 22532 transitions. [2022-07-21 00:02:30,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 114.85714285714286) internal successors, (1608), 14 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:30,326 INFO L276 IsEmpty]: Start isEmpty. Operand 21910 states and 22532 transitions. [2022-07-21 00:02:30,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 848 [2022-07-21 00:02:30,338 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:02:30,339 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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] [2022-07-21 00:02:30,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-21 00:02:30,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:02:30,556 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:02:30,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:02:30,556 INFO L85 PathProgramCache]: Analyzing trace with hash -272120842, now seen corresponding path program 1 times [2022-07-21 00:02:30,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:02:30,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451605552] [2022-07-21 00:02:30,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:30,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:02:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:31,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 424 proven. 496 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-21 00:02:31,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:02:31,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451605552] [2022-07-21 00:02:31,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451605552] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:02:31,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821196600] [2022-07-21 00:02:31,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:31,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:02:31,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:02:31,187 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) [2022-07-21 00:02:31,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-21 00:02:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:31,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 00:02:31,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:02:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 693 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2022-07-21 00:02:32,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:02:33,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821196600] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:02:33,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:02:33,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-07-21 00:02:33,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835670805] [2022-07-21 00:02:33,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:02:33,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:02:33,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:02:33,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:02:33,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:02:33,002 INFO L87 Difference]: Start difference. First operand 21910 states and 22532 transitions. Second operand has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:34,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:02:34,035 INFO L93 Difference]: Finished difference Result 45919 states and 47239 transitions. [2022-07-21 00:02:34,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:02:34,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 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 847 [2022-07-21 00:02:34,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:02:34,063 INFO L225 Difference]: With dead ends: 45919 [2022-07-21 00:02:34,063 INFO L226 Difference]: Without dead ends: 24310 [2022-07-21 00:02:34,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 851 GetRequests, 847 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:02:34,080 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 20 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 00:02:34,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 191 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 00:02:34,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24310 states. [2022-07-21 00:02:34,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24310 to 23405. [2022-07-21 00:02:34,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23405 states, 23404 states have (on average 1.0286703127670485) internal successors, (24075), 23404 states have internal predecessors, (24075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:34,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23405 states to 23405 states and 24075 transitions. [2022-07-21 00:02:34,331 INFO L78 Accepts]: Start accepts. Automaton has 23405 states and 24075 transitions. Word has length 847 [2022-07-21 00:02:34,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:02:34,332 INFO L495 AbstractCegarLoop]: Abstraction has 23405 states and 24075 transitions. [2022-07-21 00:02:34,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:34,332 INFO L276 IsEmpty]: Start isEmpty. Operand 23405 states and 24075 transitions. [2022-07-21 00:02:34,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2022-07-21 00:02:34,349 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:02:34,350 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:02:34,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-21 00:02:34,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:02:34,570 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:02:34,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:02:34,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1730290980, now seen corresponding path program 1 times [2022-07-21 00:02:34,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:02:34,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435961611] [2022-07-21 00:02:34,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:34,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:02:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:34,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 748 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-21 00:02:34,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:02:34,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435961611] [2022-07-21 00:02:34,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435961611] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:02:34,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:02:34,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:02:34,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812955588] [2022-07-21 00:02:34,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:02:34,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:02:34,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:02:34,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:02:34,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:34,913 INFO L87 Difference]: Start difference. First operand 23405 states and 24075 transitions. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:35,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:02:35,824 INFO L93 Difference]: Finished difference Result 50711 states and 52173 transitions. [2022-07-21 00:02:35,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:02:35,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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 900 [2022-07-21 00:02:35,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:02:35,856 INFO L225 Difference]: With dead ends: 50711 [2022-07-21 00:02:35,856 INFO L226 Difference]: Without dead ends: 27607 [2022-07-21 00:02:35,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:35,873 INFO L413 NwaCegarLoop]: 506 mSDtfsCounter, 31 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 00:02:35,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 548 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 00:02:35,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27607 states. [2022-07-21 00:02:36,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27607 to 24912. [2022-07-21 00:02:36,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24912 states, 24911 states have (on average 1.026695034322187) internal successors, (25576), 24911 states have internal predecessors, (25576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:36,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24912 states to 24912 states and 25576 transitions. [2022-07-21 00:02:36,151 INFO L78 Accepts]: Start accepts. Automaton has 24912 states and 25576 transitions. Word has length 900 [2022-07-21 00:02:36,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:02:36,151 INFO L495 AbstractCegarLoop]: Abstraction has 24912 states and 25576 transitions. [2022-07-21 00:02:36,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:36,152 INFO L276 IsEmpty]: Start isEmpty. Operand 24912 states and 25576 transitions. [2022-07-21 00:02:36,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 973 [2022-07-21 00:02:36,168 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:02:36,169 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1] [2022-07-21 00:02:36,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-21 00:02:36,169 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:02:36,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:02:36,170 INFO L85 PathProgramCache]: Analyzing trace with hash -410336917, now seen corresponding path program 1 times [2022-07-21 00:02:36,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:02:36,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098297284] [2022-07-21 00:02:36,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:36,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:02:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:36,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 452 proven. 796 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:02:36,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:02:36,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098297284] [2022-07-21 00:02:36,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098297284] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:02:36,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956057509] [2022-07-21 00:02:36,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:36,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:02:36,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:02:36,712 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) [2022-07-21 00:02:36,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-21 00:02:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:37,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 1130 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 00:02:37,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:02:37,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 769 proven. 49 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2022-07-21 00:02:37,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 00:02:38,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 818 proven. 0 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2022-07-21 00:02:38,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956057509] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 00:02:38,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-07-21 00:02:38,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7, 4] total 10 [2022-07-21 00:02:38,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960742182] [2022-07-21 00:02:38,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:02:38,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 00:02:38,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:02:38,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 00:02:38,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-21 00:02:38,414 INFO L87 Difference]: Start difference. First operand 24912 states and 25576 transitions. Second operand has 4 states, 4 states have (on average 156.0) internal successors, (624), 4 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:40,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:02:40,063 INFO L93 Difference]: Finished difference Result 54623 states and 56079 transitions. [2022-07-21 00:02:40,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 00:02:40,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 156.0) internal successors, (624), 4 states have internal predecessors, (624), 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 972 [2022-07-21 00:02:40,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:02:40,099 INFO L225 Difference]: With dead ends: 54623 [2022-07-21 00:02:40,100 INFO L226 Difference]: Without dead ends: 29713 [2022-07-21 00:02:40,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1949 GetRequests, 1941 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-21 00:02:40,122 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 328 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 1564 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 1768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 1564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 00:02:40,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 101 Invalid, 1768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 1564 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 00:02:40,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29713 states. [2022-07-21 00:02:40,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29713 to 25211. [2022-07-21 00:02:40,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25211 states, 25210 states have (on average 1.0266560888536296) internal successors, (25882), 25210 states have internal predecessors, (25882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:40,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25211 states to 25211 states and 25882 transitions. [2022-07-21 00:02:40,414 INFO L78 Accepts]: Start accepts. Automaton has 25211 states and 25882 transitions. Word has length 972 [2022-07-21 00:02:40,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:02:40,415 INFO L495 AbstractCegarLoop]: Abstraction has 25211 states and 25882 transitions. [2022-07-21 00:02:40,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 156.0) internal successors, (624), 4 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:40,415 INFO L276 IsEmpty]: Start isEmpty. Operand 25211 states and 25882 transitions. [2022-07-21 00:02:40,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1021 [2022-07-21 00:02:40,433 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:02:40,434 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:02:40,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-21 00:02:40,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:02:40,654 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:02:40,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:02:40,654 INFO L85 PathProgramCache]: Analyzing trace with hash 828904357, now seen corresponding path program 1 times [2022-07-21 00:02:40,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:02:40,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721602062] [2022-07-21 00:02:40,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:40,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:02:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:41,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 1231 proven. 98 refuted. 0 times theorem prover too weak. 1069 trivial. 0 not checked. [2022-07-21 00:02:41,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:02:41,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721602062] [2022-07-21 00:02:41,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721602062] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:02:41,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770050695] [2022-07-21 00:02:41,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:41,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:02:41,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:02:41,011 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) [2022-07-21 00:02:41,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-21 00:02:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:41,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 1245 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 00:02:41,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:02:41,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 1231 proven. 98 refuted. 0 times theorem prover too weak. 1069 trivial. 0 not checked. [2022-07-21 00:02:41,546 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 00:02:41,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 1231 proven. 98 refuted. 0 times theorem prover too weak. 1069 trivial. 0 not checked. [2022-07-21 00:02:41,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770050695] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 00:02:41,830 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 00:02:41,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-07-21 00:02:41,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355869770] [2022-07-21 00:02:41,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 00:02:41,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 00:02:41,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:02:41,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 00:02:41,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:02:41,833 INFO L87 Difference]: Start difference. First operand 25211 states and 25882 transitions. Second operand has 6 states, 6 states have (on average 110.33333333333333) internal successors, (662), 6 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:43,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:02:43,659 INFO L93 Difference]: Finished difference Result 55508 states and 56984 transitions. [2022-07-21 00:02:43,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 00:02:43,660 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 110.33333333333333) internal successors, (662), 6 states have internal predecessors, (662), 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 1020 [2022-07-21 00:02:43,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:02:43,694 INFO L225 Difference]: With dead ends: 55508 [2022-07-21 00:02:43,694 INFO L226 Difference]: Without dead ends: 30598 [2022-07-21 00:02:43,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2042 GetRequests, 2037 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:02:43,710 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 1167 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 2205 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 2346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 2205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-21 00:02:43,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1167 Valid, 177 Invalid, 2346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 2205 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-21 00:02:43,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30598 states. [2022-07-21 00:02:43,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30598 to 26107. [2022-07-21 00:02:43,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26107 states, 26106 states have (on average 1.0245537424346893) internal successors, (26747), 26106 states have internal predecessors, (26747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:43,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26107 states to 26107 states and 26747 transitions. [2022-07-21 00:02:43,992 INFO L78 Accepts]: Start accepts. Automaton has 26107 states and 26747 transitions. Word has length 1020 [2022-07-21 00:02:43,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:02:43,993 INFO L495 AbstractCegarLoop]: Abstraction has 26107 states and 26747 transitions. [2022-07-21 00:02:43,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 110.33333333333333) internal successors, (662), 6 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:43,993 INFO L276 IsEmpty]: Start isEmpty. Operand 26107 states and 26747 transitions. [2022-07-21 00:02:44,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1084 [2022-07-21 00:02:44,017 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:02:44,017 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:02:44,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-21 00:02:44,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:02:44,226 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:02:44,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:02:44,227 INFO L85 PathProgramCache]: Analyzing trace with hash 548512439, now seen corresponding path program 1 times [2022-07-21 00:02:44,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:02:44,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42459221] [2022-07-21 00:02:44,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:44,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:02:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:44,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2000 backedges. 1355 proven. 0 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2022-07-21 00:02:44,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:02:44,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42459221] [2022-07-21 00:02:44,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42459221] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:02:44,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:02:44,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:02:44,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608813396] [2022-07-21 00:02:44,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:02:44,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:02:44,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:02:44,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:02:44,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:44,511 INFO L87 Difference]: Start difference. First operand 26107 states and 26747 transitions. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:45,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:02:45,204 INFO L93 Difference]: Finished difference Result 40804 states and 41738 transitions. [2022-07-21 00:02:45,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:02:45,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 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 1083 [2022-07-21 00:02:45,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:02:45,218 INFO L225 Difference]: With dead ends: 40804 [2022-07-21 00:02:45,219 INFO L226 Difference]: Without dead ends: 14998 [2022-07-21 00:02:45,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:45,231 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 230 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 00:02:45,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 364 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 00:02:45,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14998 states. [2022-07-21 00:02:45,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14998 to 13799. [2022-07-21 00:02:45,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13799 states, 13798 states have (on average 1.0183359907232932) internal successors, (14051), 13798 states have internal predecessors, (14051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:45,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13799 states to 13799 states and 14051 transitions. [2022-07-21 00:02:45,373 INFO L78 Accepts]: Start accepts. Automaton has 13799 states and 14051 transitions. Word has length 1083 [2022-07-21 00:02:45,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:02:45,373 INFO L495 AbstractCegarLoop]: Abstraction has 13799 states and 14051 transitions. [2022-07-21 00:02:45,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:45,374 INFO L276 IsEmpty]: Start isEmpty. Operand 13799 states and 14051 transitions. [2022-07-21 00:02:45,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1443 [2022-07-21 00:02:45,394 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:02:45,395 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:02:45,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-21 00:02:45,395 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:02:45,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:02:45,396 INFO L85 PathProgramCache]: Analyzing trace with hash -326199820, now seen corresponding path program 1 times [2022-07-21 00:02:45,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:02:45,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573679662] [2022-07-21 00:02:45,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:45,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:02:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:45,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3360 backedges. 1971 proven. 0 refuted. 0 times theorem prover too weak. 1389 trivial. 0 not checked. [2022-07-21 00:02:45,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:02:45,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573679662] [2022-07-21 00:02:45,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573679662] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:02:45,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:02:45,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:02:45,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8970667] [2022-07-21 00:02:45,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:02:45,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:02:45,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:02:45,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:02:45,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:45,841 INFO L87 Difference]: Start difference. First operand 13799 states and 14051 transitions. Second operand has 3 states, 3 states have (on average 200.0) internal successors, (600), 3 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:46,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:02:46,509 INFO L93 Difference]: Finished difference Result 26695 states and 27194 transitions. [2022-07-21 00:02:46,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:02:46,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 200.0) internal successors, (600), 3 states have internal predecessors, (600), 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 1442 [2022-07-21 00:02:46,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:02:46,511 INFO L225 Difference]: With dead ends: 26695 [2022-07-21 00:02:46,511 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 00:02:46,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:46,519 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 26 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 00:02:46,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 395 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 00:02:46,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 00:02:46,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 00:02:46,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:46,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 00:02:46,521 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1442 [2022-07-21 00:02:46,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:02:46,521 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 00:02:46,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.0) internal successors, (600), 3 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:46,521 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 00:02:46,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 00:02:46,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 00:02:46,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-21 00:02:46,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 00:02:54,090 WARN L233 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 659 DAG size of output: 660 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-21 00:03:00,066 WARN L233 SmtUtils]: Spent 5.97s on a formula simplification. DAG size of input: 656 DAG size of output: 660 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-21 00:03:09,586 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,587 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,587 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,587 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2022-07-21 00:03:09,587 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,587 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,587 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2022-07-21 00:03:09,587 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2022-07-21 00:03:09,587 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,588 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,588 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,588 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-07-21 00:03:09,588 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,588 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,588 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,588 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,588 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,589 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-07-21 00:03:09,589 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,589 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,589 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2022-07-21 00:03:09,589 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2022-07-21 00:03:09,589 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,589 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,589 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2022-07-21 00:03:09,589 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,590 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-07-21 00:03:09,590 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,590 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2022-07-21 00:03:09,590 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2022-07-21 00:03:09,590 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,590 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,590 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2022-07-21 00:03:09,590 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2022-07-21 00:03:09,590 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,591 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,591 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,591 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,591 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,591 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-07-21 00:03:09,591 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,591 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,591 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,592 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,592 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,592 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,592 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-07-21 00:03:09,592 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,592 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,592 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,592 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2022-07-21 00:03:09,592 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,593 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,593 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-07-21 00:03:09,593 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,593 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,593 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,593 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,593 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,593 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,593 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-07-21 00:03:09,594 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,594 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,594 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,594 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,594 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2022-07-21 00:03:09,594 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2022-07-21 00:03:09,594 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,594 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,595 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,595 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,595 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-21 00:03:09,595 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2022-07-21 00:03:09,595 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,595 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,595 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,595 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,595 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,596 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2022-07-21 00:03:09,596 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,596 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2022-07-21 00:03:09,596 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2022-07-21 00:03:09,596 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2022-07-21 00:03:09,596 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-07-21 00:03:09,596 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,596 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,596 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,597 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,597 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,597 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2022-07-21 00:03:09,597 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,597 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,597 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-07-21 00:03:09,597 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 00:03:09,597 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 170) no Hoare annotation was computed. [2022-07-21 00:03:09,598 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,598 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2022-07-21 00:03:09,598 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,598 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,598 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,598 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-07-21 00:03:09,598 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,598 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2022-07-21 00:03:09,598 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2022-07-21 00:03:09,599 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2022-07-21 00:03:09,599 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2022-07-21 00:03:09,599 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2022-07-21 00:03:09,599 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2022-07-21 00:03:09,599 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,599 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,599 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,599 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,599 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2022-07-21 00:03:09,600 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2022-07-21 00:03:09,600 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,600 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-07-21 00:03:09,600 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,600 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,601 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,601 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,601 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,601 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,601 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-07-21 00:03:09,602 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,602 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,602 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,602 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,602 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,602 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2022-07-21 00:03:09,602 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2022-07-21 00:03:09,602 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,603 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-07-21 00:03:09,603 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2022-07-21 00:03:09,603 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2022-07-21 00:03:09,603 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,603 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2022-07-21 00:03:09,603 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2022-07-21 00:03:09,603 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,603 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,604 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,604 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,604 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-07-21 00:03:09,604 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2022-07-21 00:03:09,604 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,604 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,604 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,604 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2022-07-21 00:03:09,604 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2022-07-21 00:03:09,605 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,605 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-07-21 00:03:09,605 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,605 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,605 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,605 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,605 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,605 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,606 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-07-21 00:03:09,606 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,606 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,606 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2022-07-21 00:03:09,606 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,606 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,606 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,606 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,606 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-07-21 00:03:09,607 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,607 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,607 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,607 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,607 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,607 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-07-21 00:03:09,607 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,607 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,607 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,608 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,608 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2022-07-21 00:03:09,608 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,608 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,608 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 00:03:09,608 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,608 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2022-07-21 00:03:09,608 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2022-07-21 00:03:09,609 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,609 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,609 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-07-21 00:03:09,609 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,609 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,609 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,609 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,609 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,609 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-07-21 00:03:09,610 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,610 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,610 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,610 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,610 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,610 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-07-21 00:03:09,610 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,610 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,610 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2022-07-21 00:03:09,611 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,611 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-07-21 00:03:09,611 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-07-21 00:03:09,611 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,611 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,611 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,611 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,611 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,612 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2022-07-21 00:03:09,612 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2022-07-21 00:03:09,612 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,612 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-07-21 00:03:09,612 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-07-21 00:03:09,612 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,612 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,612 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,612 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,613 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,613 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2022-07-21 00:03:09,613 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2022-07-21 00:03:09,613 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2022-07-21 00:03:09,613 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2022-07-21 00:03:09,613 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,613 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,613 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,613 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-07-21 00:03:09,614 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-07-21 00:03:09,614 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,614 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2022-07-21 00:03:09,615 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,615 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,615 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,615 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,615 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2022-07-21 00:03:09,615 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2022-07-21 00:03:09,615 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-07-21 00:03:09,615 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,616 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-07-21 00:03:09,616 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,616 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,616 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,616 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,617 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,617 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,617 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,617 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,617 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-07-21 00:03:09,617 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-07-21 00:03:09,617 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2022-07-21 00:03:09,617 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2022-07-21 00:03:09,618 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,618 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,618 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,618 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,618 INFO L895 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse23 (+ ~a4~0 86)) (.cse8 (<= ~a29~0 43))) (let ((.cse16 (not .cse8)) (.cse17 (< 43 ~a29~0)) (.cse15 (<= 0 (+ 146 ~a0~0))) (.cse18 (<= (+ ~a0~0 147) 0)) (.cse20 (= ~a2~0 4)) (.cse2 (<= (+ ~a0~0 61) 0)) (.cse5 (<= (+ 104 ~a0~0) 0)) (.cse11 (<= (+ 148 ~a0~0) 0)) (.cse0 (= 2 ~a2~0)) (.cse9 (<= 0 (+ ~a29~0 192415))) (.cse10 (< 0 .cse23)) (.cse6 (<= (+ 42 ~a4~0) 0)) (.cse21 (<= 0 (+ ~a29~0 15))) (.cse14 (<= (+ 98 ~a0~0) 0)) (.cse7 (<= 5 ~a2~0)) (.cse12 (<= (div ~a29~0 5) 185853)) (.cse13 (= 3 ~a2~0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse4 (= ~a2~0 1)) (.cse19 (<= (+ ~a29~0 144) 0))) (or (and .cse0 .cse1 .cse2) (let ((.cse3 (+ ~a29~0 127))) (and (<= 0 .cse3) .cse1 .cse4 (<= 0 (+ 44 ~a0~0)) (<= .cse3 0))) (and .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse6 .cse12 .cse13) (and .cse6 .cse14 .cse15 .cse4 .cse12 .cse2) (and .cse1 .cse7 .cse12 .cse16) (and .cse1 .cse4 .cse2) (and .cse1 .cse7 .cse2) (and .cse1 .cse15 .cse12 .cse16 .cse13) (and .cse17 .cse0 .cse18) (and .cse6 .cse18 .cse13 .cse19) (and .cse1 .cse20 .cse8) (and .cse10 .cse6 .cse21 .cse18 .cse7) (and .cse21 .cse1 .cse13 .cse2) (and .cse10 .cse6 .cse0 .cse21 .cse14 (< ~a29~0 27)) (and .cse10 .cse5 .cse6 .cse21 .cse12 .cse20) (and .cse1 .cse15 .cse13 .cse2) (and .cse10 .cse11 .cse6 .cse12 .cse20) (and .cse10 .cse17 .cse6 .cse0 .cse14 .cse12) (and .cse0 .cse1 .cse12) (and .cse6 .cse15 .cse4 .cse8 .cse2) (and .cse10 .cse6 .cse0 .cse21 .cse18) (and .cse5 .cse11 .cse6 .cse7) (and .cse6 .cse18 (or .cse10 .cse21) .cse13 .cse8) (and .cse5 .cse6 .cse4 (not .cse18)) (and .cse1 .cse20 .cse2) (and .cse10 .cse6 .cse21 .cse4 .cse8) (and .cse5 .cse11 .cse6 .cse4 .cse12) (and .cse10 .cse11 .cse6 .cse0) (let ((.cse22 (<= .cse23 0))) (and (<= 0 (+ 143 ~a0~0)) (or (not (= |ULTIMATE.start_calculate_output_~input#1| 2)) .cse22 (<= (+ ~a29~0 16) 0)) (or (not (= 2 |ULTIMATE.start_calculate_output2_~input#1|)) .cse22) .cse6 .cse14 .cse12 .cse13)) (and .cse21 .cse1 .cse13 .cse8) (and .cse1 .cse7 .cse8 .cse9) (and .cse10 .cse6 .cse21 .cse14 .cse7 .cse12) (and .cse1 .cse13 .cse19) (and .cse1 .cse4 .cse19)))) [2022-07-21 00:03:09,619 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-07-21 00:03:09,619 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-07-21 00:03:09,619 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,619 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,619 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,619 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,619 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,619 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,619 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,620 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2022-07-21 00:03:09,620 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,620 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2022-07-21 00:03:09,620 INFO L902 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2022-07-21 00:03:09,620 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,620 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2022-07-21 00:03:09,620 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2022-07-21 00:03:09,620 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-07-21 00:03:09,621 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-07-21 00:03:09,621 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,621 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,621 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,621 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,621 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,621 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-21 00:03:09,621 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-07-21 00:03:09,621 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,622 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2022-07-21 00:03:09,622 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2022-07-21 00:03:09,622 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,622 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,622 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 00:03:09,622 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,622 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,622 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,622 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,623 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse23 (+ ~a4~0 86)) (.cse8 (<= ~a29~0 43))) (let ((.cse16 (not .cse8)) (.cse17 (< 43 ~a29~0)) (.cse15 (<= 0 (+ 146 ~a0~0))) (.cse18 (<= (+ ~a0~0 147) 0)) (.cse5 (<= (+ 104 ~a0~0) 0)) (.cse20 (= ~a2~0 4)) (.cse2 (<= (+ ~a0~0 61) 0)) (.cse11 (<= (+ 148 ~a0~0) 0)) (.cse0 (= 2 ~a2~0)) (.cse9 (<= 0 (+ ~a29~0 192415))) (.cse10 (< 0 .cse23)) (.cse6 (<= (+ 42 ~a4~0) 0)) (.cse21 (<= 0 (+ ~a29~0 15))) (.cse14 (<= (+ 98 ~a0~0) 0)) (.cse7 (<= 5 ~a2~0)) (.cse12 (<= (div ~a29~0 5) 185853)) (.cse13 (= 3 ~a2~0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse4 (= ~a2~0 1)) (.cse19 (<= (+ ~a29~0 144) 0))) (or (and .cse0 .cse1 .cse2) (let ((.cse3 (+ ~a29~0 127))) (and (<= 0 .cse3) .cse1 .cse4 (<= 0 (+ 44 ~a0~0)) (<= .cse3 0))) (and .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse6 .cse12 .cse13) (and .cse6 .cse14 .cse15 .cse4 .cse12 .cse2) (and .cse1 .cse7 .cse12 .cse16) (and .cse1 .cse4 .cse2) (and .cse1 .cse15 .cse12 .cse16 .cse13) (and .cse17 .cse0 .cse18) (and .cse6 .cse18 .cse13 .cse19) (and .cse1 .cse20 .cse8) (and .cse10 .cse6 .cse21 .cse18 .cse7) (and (<= 0 (+ 143 ~a0~0)) .cse14 .cse12 (or (let ((.cse22 (<= .cse23 0))) (and (or .cse22 (<= (+ ~a29~0 16) 0)) (or (not (= 2 |ULTIMATE.start_calculate_output2_~input#1|)) .cse22) .cse6 .cse15 .cse13)) (and .cse6 .cse15 (not (= |ULTIMATE.start_calculate_output_~input#1| 2)) .cse13))) (and .cse21 .cse1 .cse13 .cse2) (and .cse10 .cse6 .cse0 .cse21 .cse14 (< ~a29~0 27)) (and .cse10 .cse5 .cse6 .cse21 .cse12 .cse20) (and .cse1 .cse15 .cse13 .cse2) (and .cse10 .cse11 .cse6 .cse12 .cse20) (and .cse10 .cse17 .cse6 .cse0 .cse14 .cse12) (and .cse0 .cse1 .cse12) (and .cse6 .cse15 .cse4 .cse8 .cse2) (and .cse10 .cse6 .cse0 .cse21 .cse18) (and .cse5 .cse11 .cse6 .cse7) (and .cse6 .cse18 (or .cse10 .cse21) .cse13 .cse8) (and .cse5 .cse6 .cse4 (not .cse18)) (and .cse10 .cse6 .cse21 .cse4 .cse8) (and .cse5 .cse11 .cse6 .cse4 .cse12) (and (or (and .cse1 .cse7) (and .cse1 .cse20)) .cse2) (and .cse10 .cse11 .cse6 .cse0) (and .cse21 .cse1 .cse13 .cse8) (and .cse1 .cse7 .cse8 .cse9) (and .cse10 .cse6 .cse21 .cse14 .cse7 .cse12) (and .cse1 .cse13 .cse19) (and .cse1 .cse4 .cse19)))) [2022-07-21 00:03:09,623 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,623 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-07-21 00:03:09,623 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-07-21 00:03:09,623 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,623 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,623 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,624 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,624 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,624 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,624 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-21 00:03:09,624 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-07-21 00:03:09,624 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,624 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,624 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2022-07-21 00:03:09,624 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,625 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,625 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,625 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,625 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,625 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,625 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-07-21 00:03:09,625 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-07-21 00:03:09,625 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,625 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,626 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,626 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,626 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,626 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,626 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-07-21 00:03:09,626 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,626 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-07-21 00:03:09,626 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,626 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,627 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,627 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,627 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,627 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,627 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,627 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-07-21 00:03:09,627 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-07-21 00:03:09,627 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,628 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,628 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,628 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,628 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,628 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,628 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,628 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-07-21 00:03:09,628 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-07-21 00:03:09,628 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,629 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,629 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,629 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,629 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,629 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,629 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,629 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2022-07-21 00:03:09,629 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2022-07-21 00:03:09,629 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,630 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-07-21 00:03:09,630 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-07-21 00:03:09,630 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,630 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,630 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,630 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,630 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,630 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,631 INFO L895 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse23 (+ ~a4~0 86)) (.cse8 (<= ~a29~0 43))) (let ((.cse16 (not .cse8)) (.cse17 (< 43 ~a29~0)) (.cse15 (<= 0 (+ 146 ~a0~0))) (.cse18 (<= (+ ~a0~0 147) 0)) (.cse5 (<= (+ 104 ~a0~0) 0)) (.cse20 (= ~a2~0 4)) (.cse2 (<= (+ ~a0~0 61) 0)) (.cse11 (<= (+ 148 ~a0~0) 0)) (.cse0 (= 2 ~a2~0)) (.cse9 (<= 0 (+ ~a29~0 192415))) (.cse10 (< 0 .cse23)) (.cse6 (<= (+ 42 ~a4~0) 0)) (.cse21 (<= 0 (+ ~a29~0 15))) (.cse14 (<= (+ 98 ~a0~0) 0)) (.cse7 (<= 5 ~a2~0)) (.cse12 (<= (div ~a29~0 5) 185853)) (.cse13 (= 3 ~a2~0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse4 (= ~a2~0 1)) (.cse19 (<= (+ ~a29~0 144) 0))) (or (and .cse0 .cse1 .cse2) (let ((.cse3 (+ ~a29~0 127))) (and (<= 0 .cse3) .cse1 .cse4 (<= 0 (+ 44 ~a0~0)) (<= .cse3 0))) (and .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse6 .cse12 .cse13) (and .cse6 .cse14 .cse15 .cse4 .cse12 .cse2) (and .cse1 .cse7 .cse12 .cse16) (and .cse1 .cse4 .cse2) (and .cse1 .cse15 .cse12 .cse16 .cse13) (and .cse17 .cse0 .cse18) (and .cse6 .cse18 .cse13 .cse19) (and .cse1 .cse20 .cse8) (and .cse10 .cse6 .cse21 .cse18 .cse7) (and (<= 0 (+ 143 ~a0~0)) .cse14 .cse12 (or (let ((.cse22 (<= .cse23 0))) (and (or .cse22 (<= (+ ~a29~0 16) 0)) (or (not (= 2 |ULTIMATE.start_calculate_output2_~input#1|)) .cse22) .cse6 .cse15 .cse13)) (and .cse6 .cse15 (not (= |ULTIMATE.start_calculate_output_~input#1| 2)) .cse13))) (and .cse21 .cse1 .cse13 .cse2) (and .cse10 .cse6 .cse0 .cse21 .cse14 (< ~a29~0 27)) (and .cse10 .cse5 .cse6 .cse21 .cse12 .cse20) (and .cse1 .cse15 .cse13 .cse2) (and .cse10 .cse11 .cse6 .cse12 .cse20) (and .cse10 .cse17 .cse6 .cse0 .cse14 .cse12) (and .cse0 .cse1 .cse12) (and .cse6 .cse15 .cse4 .cse8 .cse2) (and .cse10 .cse6 .cse0 .cse21 .cse18) (and .cse5 .cse11 .cse6 .cse7) (and .cse6 .cse18 (or .cse10 .cse21) .cse13 .cse8) (and .cse5 .cse6 .cse4 (not .cse18)) (and .cse10 .cse6 .cse21 .cse4 .cse8) (and .cse5 .cse11 .cse6 .cse4 .cse12) (and (or (and .cse1 .cse7) (and .cse1 .cse20)) .cse2) (and .cse10 .cse11 .cse6 .cse0) (and .cse21 .cse1 .cse13 .cse8) (and .cse1 .cse7 .cse8 .cse9) (and .cse10 .cse6 .cse21 .cse14 .cse7 .cse12) (and .cse1 .cse13 .cse19) (and .cse1 .cse4 .cse19)))) [2022-07-21 00:03:09,631 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-21 00:03:09,631 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-07-21 00:03:09,631 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,631 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,631 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,631 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,631 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,632 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,632 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,632 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,632 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-07-21 00:03:09,632 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-07-21 00:03:09,632 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,632 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2022-07-21 00:03:09,632 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2022-07-21 00:03:09,632 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,633 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,633 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,633 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,633 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,633 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2022-07-21 00:03:09,633 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 00:03:09,633 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-07-21 00:03:09,633 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,633 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,634 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,634 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,634 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2022-07-21 00:03:09,634 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2022-07-21 00:03:09,634 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2022-07-21 00:03:09,634 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,634 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2022-07-21 00:03:09,634 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-07-21 00:03:09,634 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,635 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,637 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,637 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,637 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,637 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,637 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,637 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-07-21 00:03:09,637 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2022-07-21 00:03:09,637 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,638 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,638 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,638 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-07-21 00:03:09,638 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,638 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,638 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2022-07-21 00:03:09,638 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,638 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,638 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,639 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,639 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,639 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,639 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,639 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2022-07-21 00:03:09,639 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2022-07-21 00:03:09,639 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,639 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-07-21 00:03:09,639 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,640 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:03:09,640 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,640 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-07-21 00:03:09,640 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2022-07-21 00:03:09,644 INFO L356 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] [2022-07-21 00:03:09,645 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 00:03:09,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:03:09 BoogieIcfgContainer [2022-07-21 00:03:09,693 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 00:03:09,693 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 00:03:09,693 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 00:03:09,693 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 00:03:09,694 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:01:27" (3/4) ... [2022-07-21 00:03:09,696 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 00:03:09,725 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-21 00:03:09,727 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 00:03:09,728 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 00:03:09,730 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 00:03:09,849 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 00:03:09,849 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 00:03:09,850 INFO L158 Benchmark]: Toolchain (without parser) took 107586.64ms. Allocated memory was 56.6MB in the beginning and 1.5GB in the end (delta: 1.5GB). Free memory was 29.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-07-21 00:03:09,850 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 00:03:09,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1450.53ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 29.4MB in the beginning and 29.8MB in the end (delta: -356.8kB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2022-07-21 00:03:09,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 388.43ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 29.8MB in the beginning and 29.9MB in the end (delta: -84.5kB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-07-21 00:03:09,850 INFO L158 Benchmark]: Boogie Preprocessor took 398.63ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 29.9MB in the beginning and 110.2MB in the end (delta: -80.3MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-07-21 00:03:09,851 INFO L158 Benchmark]: RCFGBuilder took 2844.07ms. Allocated memory was 167.8MB in the beginning and 274.7MB in the end (delta: 107.0MB). Free memory was 110.2MB in the beginning and 198.1MB in the end (delta: -87.9MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. [2022-07-21 00:03:09,851 INFO L158 Benchmark]: TraceAbstraction took 102333.93ms. Allocated memory was 274.7MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 197.0MB in the beginning and 476.9MB in the end (delta: -279.9MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-07-21 00:03:09,851 INFO L158 Benchmark]: Witness Printer took 156.00ms. Allocated memory is still 1.5GB. Free memory was 476.9MB in the beginning and 1.4GB in the end (delta: -899.0MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2022-07-21 00:03:09,852 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1450.53ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 29.4MB in the beginning and 29.8MB in the end (delta: -356.8kB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 388.43ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 29.8MB in the beginning and 29.9MB in the end (delta: -84.5kB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 398.63ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 29.9MB in the beginning and 110.2MB in the end (delta: -80.3MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2844.07ms. Allocated memory was 167.8MB in the beginning and 274.7MB in the end (delta: 107.0MB). Free memory was 110.2MB in the beginning and 198.1MB in the end (delta: -87.9MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. * TraceAbstraction took 102333.93ms. Allocated memory was 274.7MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 197.0MB in the beginning and 476.9MB in the end (delta: -279.9MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 156.00ms. Allocated memory is still 1.5GB. Free memory was 476.9MB in the beginning and 1.4GB in the end (delta: -899.0MB). Peak memory consumption was 3.4MB. 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: 170]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 102.2s, OverallIterations: 26, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 52.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 23.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17380 SdHoareTripleChecker+Valid, 45.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17380 mSDsluCounter, 9777 SdHoareTripleChecker+Invalid, 38.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1207 mSDsCounter, 6363 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38566 IncrementalHoareTripleChecker+Invalid, 44929 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6363 mSolverCounterUnsat, 8570 mSDtfsCounter, 38566 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8081 GetRequests, 7959 SyntacticMatches, 1 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2075 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26107occurred in iteration=24, InterpolantAutomatonStates: 149, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.7s AutomataMinimizationTime, 26 MinimizatonAttempts, 74502 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 222 NumberOfFragments, 2260 HoareAnnotationTreeSize, 4 FomulaSimplifications, 48693 FormulaSimplificationTreeSizeReduction, 13.5s HoareSimplificationTime, 4 FomulaSimplificationsInter, 286737 FormulaSimplificationTreeSizeReductionInter, 9.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 13.4s InterpolantComputationTime, 20388 NumberOfCodeBlocks, 20388 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 23067 ConstructedInterpolants, 0 QuantifiedInterpolants, 83525 SizeOfPredicates, 10 NumberOfNonLiveVariables, 6262 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 36 InterpolantComputations, 24 PerfectInterpolantSequences, 28566/30936 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && 5 <= a2) && a29 <= 43) && 0 <= a29 + 192415)) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && a29 / 5 <= 185853) && 3 == a2)) || (((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1) && a29 / 5 <= 185853) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 5 <= a2) && a29 / 5 <= 185853) && !(a29 <= 43))) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 5 <= a2) && a0 + 61 <= 0)) || ((((89 + a4 <= 0 && 0 <= 146 + a0) && a29 / 5 <= 185853) && !(a29 <= 43)) && 3 == a2)) || ((43 < a29 && 2 == a2) && a0 + 147 <= 0)) || (((42 + a4 <= 0 && a0 + 147 <= 0) && 3 == a2) && a29 + 144 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 15) && a0 + 147 <= 0) && 5 <= a2)) || (((0 <= a29 + 15 && 89 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && 98 + a0 <= 0) && a29 < 27)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= a29 + 15) && a29 / 5 <= 185853) && a2 == 4)) || (((89 + a4 <= 0 && 0 <= 146 + a0) && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && a29 / 5 <= 185853) && a2 == 4)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a29 / 5 <= 185853)) || ((2 == a2 && 89 + a4 <= 0) && a29 / 5 <= 185853)) || ((((42 + a4 <= 0 && 0 <= 146 + a0) && a2 == 1) && a29 <= 43) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && a0 + 147 <= 0)) || (((104 + a0 <= 0 && 148 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && (0 < a4 + 86 || 0 <= a29 + 15)) && 3 == a2) && a29 <= 43)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && a2 == 1) && !(a0 + 147 <= 0))) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 15) && a2 == 1) && a29 <= 43)) || ((((104 + a0 <= 0 && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 1) && a29 / 5 <= 185853)) || (((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2)) || ((((((0 <= 143 + a0 && ((!(input == 2) || a4 + 86 <= 0) || a29 + 16 <= 0)) && (!(2 == input) || a4 + 86 <= 0)) && 42 + a4 <= 0) && 98 + a0 <= 0) && a29 / 5 <= 185853) && 3 == a2)) || (((0 <= a29 + 15 && 89 + a4 <= 0) && 3 == a2) && a29 <= 43)) || (((89 + a4 <= 0 && 5 <= a2) && a29 <= 43) && 0 <= a29 + 192415)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 15) && 98 + a0 <= 0) && 5 <= a2) && a29 / 5 <= 185853)) || ((89 + a4 <= 0 && 3 == a2) && a29 + 144 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 144 <= 0) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && 5 <= a2) && a29 <= 43) && 0 <= a29 + 192415)) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && a29 / 5 <= 185853) && 3 == a2)) || (((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1) && a29 / 5 <= 185853) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 5 <= a2) && a29 / 5 <= 185853) && !(a29 <= 43))) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || ((((89 + a4 <= 0 && 0 <= 146 + a0) && a29 / 5 <= 185853) && !(a29 <= 43)) && 3 == a2)) || ((43 < a29 && 2 == a2) && a0 + 147 <= 0)) || (((42 + a4 <= 0 && a0 + 147 <= 0) && 3 == a2) && a29 + 144 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 15) && a0 + 147 <= 0) && 5 <= a2)) || (((0 <= 143 + a0 && 98 + a0 <= 0) && a29 / 5 <= 185853) && ((((((a4 + 86 <= 0 || a29 + 16 <= 0) && (!(2 == input) || a4 + 86 <= 0)) && 42 + a4 <= 0) && 0 <= 146 + a0) && 3 == a2) || (((42 + a4 <= 0 && 0 <= 146 + a0) && !(input == 2)) && 3 == a2)))) || (((0 <= a29 + 15 && 89 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && 98 + a0 <= 0) && a29 < 27)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= a29 + 15) && a29 / 5 <= 185853) && a2 == 4)) || (((89 + a4 <= 0 && 0 <= 146 + a0) && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && a29 / 5 <= 185853) && a2 == 4)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a29 / 5 <= 185853)) || ((2 == a2 && 89 + a4 <= 0) && a29 / 5 <= 185853)) || ((((42 + a4 <= 0 && 0 <= 146 + a0) && a2 == 1) && a29 <= 43) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && a0 + 147 <= 0)) || (((104 + a0 <= 0 && 148 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && (0 < a4 + 86 || 0 <= a29 + 15)) && 3 == a2) && a29 <= 43)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && a2 == 1) && !(a0 + 147 <= 0))) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 15) && a2 == 1) && a29 <= 43)) || ((((104 + a0 <= 0 && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 1) && a29 / 5 <= 185853)) || (((89 + a4 <= 0 && 5 <= a2) || (89 + a4 <= 0 && a2 == 4)) && a0 + 61 <= 0)) || (((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2)) || (((0 <= a29 + 15 && 89 + a4 <= 0) && 3 == a2) && a29 <= 43)) || (((89 + a4 <= 0 && 5 <= a2) && a29 <= 43) && 0 <= a29 + 192415)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 15) && 98 + a0 <= 0) && 5 <= a2) && a29 / 5 <= 185853)) || ((89 + a4 <= 0 && 3 == a2) && a29 + 144 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 144 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && 5 <= a2) && a29 <= 43) && 0 <= a29 + 192415)) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && a29 / 5 <= 185853) && 3 == a2)) || (((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1) && a29 / 5 <= 185853) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 5 <= a2) && a29 / 5 <= 185853) && !(a29 <= 43))) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || ((((89 + a4 <= 0 && 0 <= 146 + a0) && a29 / 5 <= 185853) && !(a29 <= 43)) && 3 == a2)) || ((43 < a29 && 2 == a2) && a0 + 147 <= 0)) || (((42 + a4 <= 0 && a0 + 147 <= 0) && 3 == a2) && a29 + 144 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 15) && a0 + 147 <= 0) && 5 <= a2)) || (((0 <= 143 + a0 && 98 + a0 <= 0) && a29 / 5 <= 185853) && ((((((a4 + 86 <= 0 || a29 + 16 <= 0) && (!(2 == input) || a4 + 86 <= 0)) && 42 + a4 <= 0) && 0 <= 146 + a0) && 3 == a2) || (((42 + a4 <= 0 && 0 <= 146 + a0) && !(input == 2)) && 3 == a2)))) || (((0 <= a29 + 15 && 89 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && 98 + a0 <= 0) && a29 < 27)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= a29 + 15) && a29 / 5 <= 185853) && a2 == 4)) || (((89 + a4 <= 0 && 0 <= 146 + a0) && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && a29 / 5 <= 185853) && a2 == 4)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a29 / 5 <= 185853)) || ((2 == a2 && 89 + a4 <= 0) && a29 / 5 <= 185853)) || ((((42 + a4 <= 0 && 0 <= 146 + a0) && a2 == 1) && a29 <= 43) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && a0 + 147 <= 0)) || (((104 + a0 <= 0 && 148 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && (0 < a4 + 86 || 0 <= a29 + 15)) && 3 == a2) && a29 <= 43)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && a2 == 1) && !(a0 + 147 <= 0))) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 15) && a2 == 1) && a29 <= 43)) || ((((104 + a0 <= 0 && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 1) && a29 / 5 <= 185853)) || (((89 + a4 <= 0 && 5 <= a2) || (89 + a4 <= 0 && a2 == 4)) && a0 + 61 <= 0)) || (((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2)) || (((0 <= a29 + 15 && 89 + a4 <= 0) && 3 == a2) && a29 <= 43)) || (((89 + a4 <= 0 && 5 <= a2) && a29 <= 43) && 0 <= a29 + 192415)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 15) && 98 + a0 <= 0) && 5 <= a2) && a29 / 5 <= 185853)) || ((89 + a4 <= 0 && 3 == a2) && a29 + 144 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 144 <= 0) RESULT: Ultimate proved your program to be correct! [2022-07-21 00:03:09,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE