./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label55.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/Problem11_label55.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 3ed93fbea5c4ce7662a30833852408f6a41bed2c847c0002d827dceaca299880 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-20 23:42:49,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 23:42:49,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 23:42:49,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 23:42:49,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 23:42:49,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 23:42:49,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 23:42:49,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 23:42:49,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 23:42:49,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 23:42:49,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 23:42:49,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 23:42:49,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 23:42:49,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 23:42:49,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 23:42:49,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 23:42:49,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 23:42:49,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 23:42:49,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 23:42:49,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 23:42:49,385 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 23:42:49,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 23:42:49,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 23:42:49,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 23:42:49,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 23:42:49,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 23:42:49,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 23:42:49,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 23:42:49,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 23:42:49,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 23:42:49,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 23:42:49,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 23:42:49,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 23:42:49,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 23:42:49,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 23:42:49,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 23:42:49,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 23:42:49,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 23:42:49,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 23:42:49,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 23:42:49,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 23:42:49,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 23:42:49,413 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-20 23:42:49,446 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 23:42:49,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 23:42:49,447 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 23:42:49,447 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 23:42:49,448 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 23:42:49,448 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 23:42:49,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 23:42:49,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 23:42:49,449 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 23:42:49,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 23:42:49,450 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 23:42:49,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 23:42:49,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 23:42:49,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 23:42:49,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 23:42:49,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 23:42:49,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 23:42:49,451 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 23:42:49,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 23:42:49,452 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 23:42:49,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 23:42:49,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 23:42:49,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 23:42:49,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 23:42:49,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 23:42:49,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 23:42:49,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 23:42:49,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 23:42:49,453 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 23:42:49,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 23:42:49,454 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 23:42:49,454 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 23:42:49,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 23:42:49,454 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ed93fbea5c4ce7662a30833852408f6a41bed2c847c0002d827dceaca299880 [2022-07-20 23:42:49,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 23:42:49,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 23:42:49,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 23:42:49,744 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 23:42:49,744 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 23:42:49,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label55.c [2022-07-20 23:42:49,803 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d44f5d416/82712df4f1e84712a11f2a83598e7e23/FLAGe0f7bd1ab [2022-07-20 23:42:50,389 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 23:42:50,389 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label55.c [2022-07-20 23:42:50,408 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d44f5d416/82712df4f1e84712a11f2a83598e7e23/FLAGe0f7bd1ab [2022-07-20 23:42:50,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d44f5d416/82712df4f1e84712a11f2a83598e7e23 [2022-07-20 23:42:50,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 23:42:50,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 23:42:50,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 23:42:50,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 23:42:50,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 23:42:50,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:42:50" (1/1) ... [2022-07-20 23:42:50,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aeadeb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:50, skipping insertion in model container [2022-07-20 23:42:50,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:42:50" (1/1) ... [2022-07-20 23:42:50,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 23:42:50,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 23:42:51,035 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/Problem11_label55.c[6546,6559] [2022-07-20 23:42:51,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 23:42:51,218 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 23:42:51,248 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/Problem11_label55.c[6546,6559] [2022-07-20 23:42:51,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 23:42:51,344 INFO L208 MainTranslator]: Completed translation [2022-07-20 23:42:51,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:51 WrapperNode [2022-07-20 23:42:51,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 23:42:51,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 23:42:51,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 23:42:51,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 23:42:51,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:51" (1/1) ... [2022-07-20 23:42:51,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:51" (1/1) ... [2022-07-20 23:42:51,476 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-07-20 23:42:51,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 23:42:51,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 23:42:51,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 23:42:51,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 23:42:51,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:51" (1/1) ... [2022-07-20 23:42:51,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:51" (1/1) ... [2022-07-20 23:42:51,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:51" (1/1) ... [2022-07-20 23:42:51,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:51" (1/1) ... [2022-07-20 23:42:51,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:51" (1/1) ... [2022-07-20 23:42:51,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:51" (1/1) ... [2022-07-20 23:42:51,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:51" (1/1) ... [2022-07-20 23:42:51,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 23:42:51,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 23:42:51,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 23:42:51,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 23:42:51,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:51" (1/1) ... [2022-07-20 23:42:51,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 23:42:51,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:42:51,641 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) [2022-07-20 23:42:51,665 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 [2022-07-20 23:42:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 23:42:51,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 23:42:51,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 23:42:51,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 23:42:51,746 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 23:42:51,748 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 23:42:53,109 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 23:42:53,123 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 23:42:53,124 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 23:42:53,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:42:53 BoogieIcfgContainer [2022-07-20 23:42:53,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 23:42:53,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 23:42:53,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 23:42:53,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 23:42:53,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:42:50" (1/3) ... [2022-07-20 23:42:53,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a498e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:42:53, skipping insertion in model container [2022-07-20 23:42:53,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:51" (2/3) ... [2022-07-20 23:42:53,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a498e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:42:53, skipping insertion in model container [2022-07-20 23:42:53,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:42:53" (3/3) ... [2022-07-20 23:42:53,134 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label55.c [2022-07-20 23:42:53,146 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 23:42:53,146 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 23:42:53,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 23:42:53,220 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@632d2e9a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2c8763b9 [2022-07-20 23:42:53,221 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 23:42:53,232 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:53,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-20 23:42:53,240 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:53,241 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] [2022-07-20 23:42:53,241 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:53,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:53,247 INFO L85 PathProgramCache]: Analyzing trace with hash -2068820151, now seen corresponding path program 1 times [2022-07-20 23:42:53,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:53,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616571945] [2022-07-20 23:42:53,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:53,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:53,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:42:53,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:53,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616571945] [2022-07-20 23:42:53,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616571945] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:53,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:53,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:42:53,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953931365] [2022-07-20 23:42:53,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:53,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:53,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:53,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:53,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:53,572 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 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 15.0) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:54,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:54,664 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2022-07-20 23:42:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:54,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-07-20 23:42:54,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:54,677 INFO L225 Difference]: With dead ends: 776 [2022-07-20 23:42:54,677 INFO L226 Difference]: Without dead ends: 413 [2022-07-20 23:42:54,681 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 [2022-07-20 23:42:54,683 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 182 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:54,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-20 23:42:54,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-07-20 23:42:54,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2022-07-20 23:42:54,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:54,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2022-07-20 23:42:54,736 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 45 [2022-07-20 23:42:54,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:54,736 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2022-07-20 23:42:54,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:54,737 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2022-07-20 23:42:54,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-20 23:42:54,740 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:54,740 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:54,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 23:42:54,741 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:54,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:54,742 INFO L85 PathProgramCache]: Analyzing trace with hash -954308976, now seen corresponding path program 1 times [2022-07-20 23:42:54,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:54,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912219375] [2022-07-20 23:42:54,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:54,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:54,850 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:42:54,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:54,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912219375] [2022-07-20 23:42:54,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912219375] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:54,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:54,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:42:54,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060282166] [2022-07-20 23:42:54,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:54,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:54,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:54,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:54,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:54,855 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:55,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:55,570 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2022-07-20 23:42:55,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:55,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-07-20 23:42:55,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:55,574 INFO L225 Difference]: With dead ends: 1209 [2022-07-20 23:42:55,574 INFO L226 Difference]: Without dead ends: 800 [2022-07-20 23:42:55,576 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 [2022-07-20 23:42:55,577 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:55,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 23:42:55,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-07-20 23:42:55,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2022-07-20 23:42:55,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3854961832061068) internal successors, (1089), 786 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:55,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2022-07-20 23:42:55,607 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 113 [2022-07-20 23:42:55,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:55,607 INFO L495 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2022-07-20 23:42:55,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:55,608 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2022-07-20 23:42:55,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-20 23:42:55,611 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:55,611 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:55,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 23:42:55,612 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:55,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:55,612 INFO L85 PathProgramCache]: Analyzing trace with hash 975979568, now seen corresponding path program 1 times [2022-07-20 23:42:55,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:55,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710883006] [2022-07-20 23:42:55,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:55,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:55,726 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:42:55,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:55,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710883006] [2022-07-20 23:42:55,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710883006] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:55,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:55,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:42:55,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944442208] [2022-07-20 23:42:55,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:55,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:55,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:55,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:55,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:55,734 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:56,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:56,399 INFO L93 Difference]: Finished difference Result 1942 states and 2631 transitions. [2022-07-20 23:42:56,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:56,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-07-20 23:42:56,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:56,404 INFO L225 Difference]: With dead ends: 1942 [2022-07-20 23:42:56,404 INFO L226 Difference]: Without dead ends: 1157 [2022-07-20 23:42:56,405 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 [2022-07-20 23:42:56,407 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:56,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:42:56,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2022-07-20 23:42:56,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2022-07-20 23:42:56,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277922077922078) internal successors, (1476), 1155 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:56,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions. [2022-07-20 23:42:56,432 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 114 [2022-07-20 23:42:56,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:56,433 INFO L495 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions. [2022-07-20 23:42:56,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:56,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions. [2022-07-20 23:42:56,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-07-20 23:42:56,436 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:56,436 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:56,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 23:42:56,437 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:56,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:56,437 INFO L85 PathProgramCache]: Analyzing trace with hash -103496756, now seen corresponding path program 1 times [2022-07-20 23:42:56,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:56,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064637926] [2022-07-20 23:42:56,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:56,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:56,570 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-07-20 23:42:56,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:56,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064637926] [2022-07-20 23:42:56,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064637926] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:56,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:56,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:42:56,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935464657] [2022-07-20 23:42:56,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:56,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:56,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:56,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:56,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:56,574 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:57,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:57,262 INFO L93 Difference]: Finished difference Result 2502 states and 3339 transitions. [2022-07-20 23:42:57,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:57,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 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 157 [2022-07-20 23:42:57,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:57,273 INFO L225 Difference]: With dead ends: 2502 [2022-07-20 23:42:57,273 INFO L226 Difference]: Without dead ends: 1532 [2022-07-20 23:42:57,274 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 [2022-07-20 23:42:57,275 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 108 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:57,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 156 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 23:42:57,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2022-07-20 23:42:57,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2022-07-20 23:42:57,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.2619203135205748) internal successors, (1932), 1531 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:57,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1932 transitions. [2022-07-20 23:42:57,301 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1932 transitions. Word has length 157 [2022-07-20 23:42:57,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:57,302 INFO L495 AbstractCegarLoop]: Abstraction has 1532 states and 1932 transitions. [2022-07-20 23:42:57,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:57,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1932 transitions. [2022-07-20 23:42:57,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-20 23:42:57,304 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:57,304 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:57,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 23:42:57,305 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:57,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:57,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1015853899, now seen corresponding path program 1 times [2022-07-20 23:42:57,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:57,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750814656] [2022-07-20 23:42:57,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:57,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:57,412 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:42:57,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:57,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750814656] [2022-07-20 23:42:57,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750814656] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:57,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:57,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:42:57,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605510075] [2022-07-20 23:42:57,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:57,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:57,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:57,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:57,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:57,418 INFO L87 Difference]: Start difference. First operand 1532 states and 1932 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:58,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:58,099 INFO L93 Difference]: Finished difference Result 3644 states and 4738 transitions. [2022-07-20 23:42:58,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:58,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-07-20 23:42:58,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:58,107 INFO L225 Difference]: With dead ends: 3644 [2022-07-20 23:42:58,107 INFO L226 Difference]: Without dead ends: 2298 [2022-07-20 23:42:58,109 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 [2022-07-20 23:42:58,110 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 190 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:58,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:42:58,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2022-07-20 23:42:58,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 2295. [2022-07-20 23:42:58,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2295 states, 2294 states have (on average 1.2654751525719268) internal successors, (2903), 2294 states have internal predecessors, (2903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:58,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 2903 transitions. [2022-07-20 23:42:58,150 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 2903 transitions. Word has length 172 [2022-07-20 23:42:58,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:58,151 INFO L495 AbstractCegarLoop]: Abstraction has 2295 states and 2903 transitions. [2022-07-20 23:42:58,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:58,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2903 transitions. [2022-07-20 23:42:58,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-20 23:42:58,154 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:58,154 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, 2, 2, 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] [2022-07-20 23:42:58,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 23:42:58,155 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:58,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:58,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1543850387, now seen corresponding path program 1 times [2022-07-20 23:42:58,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:58,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819068156] [2022-07-20 23:42:58,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:58,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:58,265 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:42:58,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:58,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819068156] [2022-07-20 23:42:58,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819068156] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:58,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:58,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:42:58,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741097525] [2022-07-20 23:42:58,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:58,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:58,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:58,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:58,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:58,268 INFO L87 Difference]: Start difference. First operand 2295 states and 2903 transitions. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:59,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:59,000 INFO L93 Difference]: Finished difference Result 5528 states and 7095 transitions. [2022-07-20 23:42:59,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:59,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 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 225 [2022-07-20 23:42:59,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:59,012 INFO L225 Difference]: With dead ends: 5528 [2022-07-20 23:42:59,013 INFO L226 Difference]: Without dead ends: 3419 [2022-07-20 23:42:59,016 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 [2022-07-20 23:42:59,017 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 136 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:59,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 340 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 23:42:59,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3419 states. [2022-07-20 23:42:59,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3419 to 3218. [2022-07-20 23:42:59,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3218 states, 3217 states have (on average 1.2377991917935964) internal successors, (3982), 3217 states have internal predecessors, (3982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:59,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 3218 states and 3982 transitions. [2022-07-20 23:42:59,072 INFO L78 Accepts]: Start accepts. Automaton has 3218 states and 3982 transitions. Word has length 225 [2022-07-20 23:42:59,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:59,072 INFO L495 AbstractCegarLoop]: Abstraction has 3218 states and 3982 transitions. [2022-07-20 23:42:59,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:59,073 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 3982 transitions. [2022-07-20 23:42:59,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-07-20 23:42:59,075 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:59,076 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, 2, 2, 2, 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] [2022-07-20 23:42:59,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 23:42:59,076 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:59,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:59,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1109508493, now seen corresponding path program 1 times [2022-07-20 23:42:59,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:59,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813272260] [2022-07-20 23:42:59,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:59,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:59,194 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-20 23:42:59,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:59,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813272260] [2022-07-20 23:42:59,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813272260] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:59,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:59,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:42:59,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099005552] [2022-07-20 23:42:59,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:59,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:59,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:59,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:59,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:59,197 INFO L87 Difference]: Start difference. First operand 3218 states and 3982 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:59,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:59,846 INFO L93 Difference]: Finished difference Result 7371 states and 9143 transitions. [2022-07-20 23:42:59,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:59,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 226 [2022-07-20 23:42:59,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:59,859 INFO L225 Difference]: With dead ends: 7371 [2022-07-20 23:42:59,859 INFO L226 Difference]: Without dead ends: 4155 [2022-07-20 23:42:59,864 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 [2022-07-20 23:42:59,865 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 157 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:59,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 345 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:42:59,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4155 states. [2022-07-20 23:42:59,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4155 to 4138. [2022-07-20 23:42:59,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4138 states, 4137 states have (on average 1.2211747643219724) internal successors, (5052), 4137 states have internal predecessors, (5052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:59,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 4138 states and 5052 transitions. [2022-07-20 23:42:59,927 INFO L78 Accepts]: Start accepts. Automaton has 4138 states and 5052 transitions. Word has length 226 [2022-07-20 23:42:59,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:59,928 INFO L495 AbstractCegarLoop]: Abstraction has 4138 states and 5052 transitions. [2022-07-20 23:42:59,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:59,929 INFO L276 IsEmpty]: Start isEmpty. Operand 4138 states and 5052 transitions. [2022-07-20 23:42:59,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-07-20 23:42:59,931 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:59,931 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, 2, 2, 2, 2, 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] [2022-07-20 23:42:59,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 23:42:59,932 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:59,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:59,932 INFO L85 PathProgramCache]: Analyzing trace with hash 616043864, now seen corresponding path program 1 times [2022-07-20 23:42:59,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:59,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325362136] [2022-07-20 23:42:59,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:59,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:00,052 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-20 23:43:00,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:00,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325362136] [2022-07-20 23:43:00,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325362136] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:00,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:43:00,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:43:00,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753574195] [2022-07-20 23:43:00,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:00,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:43:00,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:00,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:43:00,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:43:00,055 INFO L87 Difference]: Start difference. First operand 4138 states and 5052 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:00,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:00,766 INFO L93 Difference]: Finished difference Result 9207 states and 11353 transitions. [2022-07-20 23:43:00,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:43:00,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 227 [2022-07-20 23:43:00,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:00,782 INFO L225 Difference]: With dead ends: 9207 [2022-07-20 23:43:00,783 INFO L226 Difference]: Without dead ends: 5071 [2022-07-20 23:43:00,788 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 [2022-07-20 23:43:00,789 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 152 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:00,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 379 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 23:43:00,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5071 states. [2022-07-20 23:43:00,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5071 to 4874. [2022-07-20 23:43:00,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4874 states, 4873 states have (on average 1.2087010055407346) internal successors, (5890), 4873 states have internal predecessors, (5890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4874 states to 4874 states and 5890 transitions. [2022-07-20 23:43:00,902 INFO L78 Accepts]: Start accepts. Automaton has 4874 states and 5890 transitions. Word has length 227 [2022-07-20 23:43:00,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:00,902 INFO L495 AbstractCegarLoop]: Abstraction has 4874 states and 5890 transitions. [2022-07-20 23:43:00,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:00,903 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states and 5890 transitions. [2022-07-20 23:43:00,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-07-20 23:43:00,906 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:00,906 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 23:43:00,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 23:43:00,909 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:00,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:00,910 INFO L85 PathProgramCache]: Analyzing trace with hash 213296906, now seen corresponding path program 1 times [2022-07-20 23:43:00,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:00,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830392514] [2022-07-20 23:43:00,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:00,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:01,057 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:43:01,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:01,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830392514] [2022-07-20 23:43:01,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830392514] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:01,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:43:01,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 23:43:01,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390543439] [2022-07-20 23:43:01,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:01,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:43:01,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:01,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:43:01,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:43:01,060 INFO L87 Difference]: Start difference. First operand 4874 states and 5890 transitions. Second operand has 4 states, 4 states have (on average 61.75) internal successors, (247), 4 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:02,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:02,373 INFO L93 Difference]: Finished difference Result 15870 states and 19335 transitions. [2022-07-20 23:43:02,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:43:02,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.75) internal successors, (247), 4 states have internal predecessors, (247), 0 states have call successors, (0), 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 247 [2022-07-20 23:43:02,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:02,424 INFO L225 Difference]: With dead ends: 15870 [2022-07-20 23:43:02,424 INFO L226 Difference]: Without dead ends: 10998 [2022-07-20 23:43:02,433 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 [2022-07-20 23:43:02,435 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 287 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1232 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:02,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 207 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1232 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-20 23:43:02,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10998 states. [2022-07-20 23:43:02,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10998 to 8953. [2022-07-20 23:43:02,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8953 states, 8952 states have (on average 1.1907953529937445) internal successors, (10660), 8952 states have internal predecessors, (10660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:02,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8953 states to 8953 states and 10660 transitions. [2022-07-20 23:43:02,645 INFO L78 Accepts]: Start accepts. Automaton has 8953 states and 10660 transitions. Word has length 247 [2022-07-20 23:43:02,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:02,645 INFO L495 AbstractCegarLoop]: Abstraction has 8953 states and 10660 transitions. [2022-07-20 23:43:02,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.75) internal successors, (247), 4 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:02,646 INFO L276 IsEmpty]: Start isEmpty. Operand 8953 states and 10660 transitions. [2022-07-20 23:43:02,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-07-20 23:43:02,659 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:02,659 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 23:43:02,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 23:43:02,660 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:02,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:02,664 INFO L85 PathProgramCache]: Analyzing trace with hash 389049443, now seen corresponding path program 1 times [2022-07-20 23:43:02,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:02,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712147791] [2022-07-20 23:43:02,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:02,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:02,812 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:43:02,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:02,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712147791] [2022-07-20 23:43:02,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712147791] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:02,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:43:02,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 23:43:02,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208636329] [2022-07-20 23:43:02,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:02,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:43:02,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:02,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:43:02,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:43:02,818 INFO L87 Difference]: Start difference. First operand 8953 states and 10660 transitions. Second operand has 4 states, 4 states have (on average 64.25) internal successors, (257), 4 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:04,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:04,044 INFO L93 Difference]: Finished difference Result 22713 states and 27383 transitions. [2022-07-20 23:43:04,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:43:04,045 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 64.25) internal successors, (257), 4 states have internal predecessors, (257), 0 states have call successors, (0), 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 257 [2022-07-20 23:43:04,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:04,071 INFO L225 Difference]: With dead ends: 22713 [2022-07-20 23:43:04,072 INFO L226 Difference]: Without dead ends: 13762 [2022-07-20 23:43:04,083 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 [2022-07-20 23:43:04,084 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 300 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1114 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 1114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:04,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 120 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 1114 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-20 23:43:04,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13762 states. [2022-07-20 23:43:04,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13762 to 13378. [2022-07-20 23:43:04,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13378 states, 13377 states have (on average 1.1920460491889064) internal successors, (15946), 13377 states have internal predecessors, (15946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:04,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13378 states to 13378 states and 15946 transitions. [2022-07-20 23:43:04,289 INFO L78 Accepts]: Start accepts. Automaton has 13378 states and 15946 transitions. Word has length 257 [2022-07-20 23:43:04,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:04,290 INFO L495 AbstractCegarLoop]: Abstraction has 13378 states and 15946 transitions. [2022-07-20 23:43:04,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 64.25) internal successors, (257), 4 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:04,290 INFO L276 IsEmpty]: Start isEmpty. Operand 13378 states and 15946 transitions. [2022-07-20 23:43:04,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-20 23:43:04,295 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:04,296 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 23:43:04,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 23:43:04,296 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:04,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:04,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1785532527, now seen corresponding path program 1 times [2022-07-20 23:43:04,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:04,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785701178] [2022-07-20 23:43:04,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:04,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:04,467 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 23 proven. 62 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-07-20 23:43:04,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:04,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785701178] [2022-07-20 23:43:04,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785701178] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 23:43:04,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433397808] [2022-07-20 23:43:04,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:04,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:43:04,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:43:04,470 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) [2022-07-20 23:43:04,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 23:43:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:04,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 23:43:04,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 23:43:04,785 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-07-20 23:43:04,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 23:43:04,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433397808] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:04,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 23:43:04,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-20 23:43:04,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620520813] [2022-07-20 23:43:04,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:04,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:43:04,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:04,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:43:04,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 23:43:04,787 INFO L87 Difference]: Start difference. First operand 13378 states and 15946 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:05,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:05,795 INFO L93 Difference]: Finished difference Result 32089 states and 38433 transitions. [2022-07-20 23:43:05,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:43:05,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 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 259 [2022-07-20 23:43:05,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:05,828 INFO L225 Difference]: With dead ends: 32089 [2022-07-20 23:43:05,829 INFO L226 Difference]: Without dead ends: 18713 [2022-07-20 23:43:05,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 23:43:05,847 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 155 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:05,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 375 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-20 23:43:05,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18713 states. [2022-07-20 23:43:06,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18713 to 17789. [2022-07-20 23:43:06,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17789 states, 17788 states have (on average 1.1721385203507984) internal successors, (20850), 17788 states have internal predecessors, (20850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:06,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17789 states to 17789 states and 20850 transitions. [2022-07-20 23:43:06,103 INFO L78 Accepts]: Start accepts. Automaton has 17789 states and 20850 transitions. Word has length 259 [2022-07-20 23:43:06,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:06,104 INFO L495 AbstractCegarLoop]: Abstraction has 17789 states and 20850 transitions. [2022-07-20 23:43:06,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:06,104 INFO L276 IsEmpty]: Start isEmpty. Operand 17789 states and 20850 transitions. [2022-07-20 23:43:06,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-20 23:43:06,109 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:06,109 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 23:43:06,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 23:43:06,323 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,SelfDestructingSolverStorable10 [2022-07-20 23:43:06,324 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:06,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:06,324 INFO L85 PathProgramCache]: Analyzing trace with hash -909161094, now seen corresponding path program 1 times [2022-07-20 23:43:06,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:06,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421708215] [2022-07-20 23:43:06,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:06,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:06,497 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-07-20 23:43:06,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:06,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421708215] [2022-07-20 23:43:06,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421708215] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:06,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:43:06,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:43:06,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474503689] [2022-07-20 23:43:06,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:06,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:43:06,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:06,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:43:06,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:43:06,500 INFO L87 Difference]: Start difference. First operand 17789 states and 20850 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:07,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:07,319 INFO L93 Difference]: Finished difference Result 35586 states and 41718 transitions. [2022-07-20 23:43:07,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:43:07,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 264 [2022-07-20 23:43:07,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:07,341 INFO L225 Difference]: With dead ends: 35586 [2022-07-20 23:43:07,342 INFO L226 Difference]: Without dead ends: 17799 [2022-07-20 23:43:07,356 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 [2022-07-20 23:43:07,356 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 155 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:07,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 377 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 23:43:07,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17799 states. [2022-07-20 23:43:07,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17799 to 17788. [2022-07-20 23:43:07,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17788 states, 17787 states have (on average 1.1440377804014168) internal successors, (20349), 17787 states have internal predecessors, (20349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:07,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17788 states to 17788 states and 20349 transitions. [2022-07-20 23:43:07,646 INFO L78 Accepts]: Start accepts. Automaton has 17788 states and 20349 transitions. Word has length 264 [2022-07-20 23:43:07,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:07,647 INFO L495 AbstractCegarLoop]: Abstraction has 17788 states and 20349 transitions. [2022-07-20 23:43:07,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:07,647 INFO L276 IsEmpty]: Start isEmpty. Operand 17788 states and 20349 transitions. [2022-07-20 23:43:07,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-20 23:43:07,653 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:07,653 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 23:43:07,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 23:43:07,654 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:07,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:07,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1936772335, now seen corresponding path program 1 times [2022-07-20 23:43:07,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:07,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190479482] [2022-07-20 23:43:07,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:07,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:07,854 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 141 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:43:07,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:07,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190479482] [2022-07-20 23:43:07,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190479482] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 23:43:07,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465103174] [2022-07-20 23:43:07,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:07,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:43:07,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:43:07,860 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) [2022-07-20 23:43:07,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 23:43:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:07,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 23:43:07,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 23:43:08,527 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:43:08,527 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 23:43:08,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465103174] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:08,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 23:43:08,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-20 23:43:08,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513581934] [2022-07-20 23:43:08,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:08,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:43:08,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:08,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:43:08,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-20 23:43:08,529 INFO L87 Difference]: Start difference. First operand 17788 states and 20349 transitions. Second operand has 4 states, 4 states have (on average 69.5) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:09,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:09,374 INFO L93 Difference]: Finished difference Result 35578 states and 40702 transitions. [2022-07-20 23:43:09,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:43:09,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.5) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 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 278 [2022-07-20 23:43:09,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:09,404 INFO L225 Difference]: With dead ends: 35578 [2022-07-20 23:43:09,404 INFO L226 Difference]: Without dead ends: 17792 [2022-07-20 23:43:09,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-20 23:43:09,419 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 181 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:09,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 161 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 23:43:09,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17792 states. [2022-07-20 23:43:09,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17792 to 17788. [2022-07-20 23:43:09,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17788 states, 17787 states have (on average 1.1430258053634677) internal successors, (20331), 17787 states have internal predecessors, (20331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:09,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17788 states to 17788 states and 20331 transitions. [2022-07-20 23:43:09,665 INFO L78 Accepts]: Start accepts. Automaton has 17788 states and 20331 transitions. Word has length 278 [2022-07-20 23:43:09,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:09,665 INFO L495 AbstractCegarLoop]: Abstraction has 17788 states and 20331 transitions. [2022-07-20 23:43:09,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.5) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:09,665 INFO L276 IsEmpty]: Start isEmpty. Operand 17788 states and 20331 transitions. [2022-07-20 23:43:09,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-07-20 23:43:09,673 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:09,673 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, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:43:09,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 23:43:09,887 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,SelfDestructingSolverStorable12 [2022-07-20 23:43:09,888 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:09,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:09,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1415119139, now seen corresponding path program 1 times [2022-07-20 23:43:09,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:09,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416805912] [2022-07-20 23:43:09,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:09,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:10,004 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-07-20 23:43:10,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:10,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416805912] [2022-07-20 23:43:10,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416805912] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:10,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:43:10,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:43:10,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847998533] [2022-07-20 23:43:10,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:10,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:43:10,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:10,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:43:10,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:43:10,008 INFO L87 Difference]: Start difference. First operand 17788 states and 20331 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 2 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:10,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:10,691 INFO L93 Difference]: Finished difference Result 33137 states and 37923 transitions. [2022-07-20 23:43:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:43:10,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 2 states have internal predecessors, (160), 0 states have call successors, (0), 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 304 [2022-07-20 23:43:10,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:10,712 INFO L225 Difference]: With dead ends: 33137 [2022-07-20 23:43:10,712 INFO L226 Difference]: Without dead ends: 15351 [2022-07-20 23:43:10,724 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 [2022-07-20 23:43:10,725 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 124 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:10,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 149 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:43:10,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15351 states. [2022-07-20 23:43:10,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15351 to 10741. [2022-07-20 23:43:10,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10741 states, 10740 states have (on average 1.116294227188082) internal successors, (11989), 10740 states have internal predecessors, (11989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:10,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10741 states to 10741 states and 11989 transitions. [2022-07-20 23:43:10,857 INFO L78 Accepts]: Start accepts. Automaton has 10741 states and 11989 transitions. Word has length 304 [2022-07-20 23:43:10,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:10,857 INFO L495 AbstractCegarLoop]: Abstraction has 10741 states and 11989 transitions. [2022-07-20 23:43:10,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 2 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:10,857 INFO L276 IsEmpty]: Start isEmpty. Operand 10741 states and 11989 transitions. [2022-07-20 23:43:10,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-07-20 23:43:10,864 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:10,864 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, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:43:10,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 23:43:10,864 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:10,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:10,865 INFO L85 PathProgramCache]: Analyzing trace with hash 63979177, now seen corresponding path program 1 times [2022-07-20 23:43:10,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:10,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919697742] [2022-07-20 23:43:10,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:10,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:11,089 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-07-20 23:43:11,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:11,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919697742] [2022-07-20 23:43:11,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919697742] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:11,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:43:11,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:43:11,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906453691] [2022-07-20 23:43:11,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:11,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:43:11,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:11,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:43:11,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:43:11,092 INFO L87 Difference]: Start difference. First operand 10741 states and 11989 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:11,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:11,692 INFO L93 Difference]: Finished difference Result 23503 states and 26240 transitions. [2022-07-20 23:43:11,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:43:11,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 312 [2022-07-20 23:43:11,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:11,713 INFO L225 Difference]: With dead ends: 23503 [2022-07-20 23:43:11,713 INFO L226 Difference]: Without dead ends: 12764 [2022-07-20 23:43:11,722 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 [2022-07-20 23:43:11,723 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 176 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:11,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 144 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:43:11,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12764 states. [2022-07-20 23:43:11,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12764 to 10924. [2022-07-20 23:43:11,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10924 states, 10923 states have (on average 1.1170008239494644) internal successors, (12201), 10923 states have internal predecessors, (12201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:11,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10924 states to 10924 states and 12201 transitions. [2022-07-20 23:43:11,877 INFO L78 Accepts]: Start accepts. Automaton has 10924 states and 12201 transitions. Word has length 312 [2022-07-20 23:43:11,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:11,877 INFO L495 AbstractCegarLoop]: Abstraction has 10924 states and 12201 transitions. [2022-07-20 23:43:11,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:11,878 INFO L276 IsEmpty]: Start isEmpty. Operand 10924 states and 12201 transitions. [2022-07-20 23:43:11,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-07-20 23:43:11,885 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:11,885 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, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:43:11,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-20 23:43:11,886 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:11,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:11,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1564114315, now seen corresponding path program 1 times [2022-07-20 23:43:11,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:11,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512392716] [2022-07-20 23:43:11,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:11,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:12,045 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-20 23:43:12,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:12,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512392716] [2022-07-20 23:43:12,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512392716] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:12,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:43:12,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 23:43:12,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506819892] [2022-07-20 23:43:12,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:12,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:43:12,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:12,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:43:12,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:43:12,048 INFO L87 Difference]: Start difference. First operand 10924 states and 12201 transitions. Second operand has 4 states, 4 states have (on average 62.25) internal successors, (249), 4 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) [2022-07-20 23:43:13,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:13,116 INFO L93 Difference]: Finished difference Result 27404 states and 30590 transitions. [2022-07-20 23:43:13,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:43:13,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 4 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 316 [2022-07-20 23:43:13,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:13,136 INFO L225 Difference]: With dead ends: 27404 [2022-07-20 23:43:13,137 INFO L226 Difference]: Without dead ends: 15741 [2022-07-20 23:43:13,147 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 [2022-07-20 23:43:13,148 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 295 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:13,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 399 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-20 23:43:13,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15741 states. [2022-07-20 23:43:13,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15741 to 12413. [2022-07-20 23:43:13,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12413 states, 12412 states have (on average 1.117386400257815) internal successors, (13869), 12412 states have internal predecessors, (13869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12413 states to 12413 states and 13869 transitions. [2022-07-20 23:43:13,307 INFO L78 Accepts]: Start accepts. Automaton has 12413 states and 13869 transitions. Word has length 316 [2022-07-20 23:43:13,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:13,308 INFO L495 AbstractCegarLoop]: Abstraction has 12413 states and 13869 transitions. [2022-07-20 23:43:13,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 4 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) [2022-07-20 23:43:13,308 INFO L276 IsEmpty]: Start isEmpty. Operand 12413 states and 13869 transitions. [2022-07-20 23:43:13,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-07-20 23:43:13,315 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:13,315 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:43:13,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-20 23:43:13,315 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:13,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:13,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1085023565, now seen corresponding path program 1 times [2022-07-20 23:43:13,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:13,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973348547] [2022-07-20 23:43:13,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:13,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:13,529 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 174 proven. 128 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-20 23:43:13,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:13,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973348547] [2022-07-20 23:43:13,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973348547] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 23:43:13,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714920823] [2022-07-20 23:43:13,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:13,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:43:13,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:43:13,540 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) [2022-07-20 23:43:13,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-20 23:43:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:13,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 23:43:13,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 23:43:14,143 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 302 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-20 23:43:14,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 23:43:14,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714920823] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:14,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 23:43:14,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-07-20 23:43:14,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214238321] [2022-07-20 23:43:14,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:14,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:43:14,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:14,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:43:14,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-20 23:43:14,146 INFO L87 Difference]: Start difference. First operand 12413 states and 13869 transitions. Second operand has 4 states, 4 states have (on average 62.25) 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) [2022-07-20 23:43:14,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:14,889 INFO L93 Difference]: Finished difference Result 25010 states and 27928 transitions. [2022-07-20 23:43:14,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:43:14,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.25) 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 332 [2022-07-20 23:43:14,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:14,900 INFO L225 Difference]: With dead ends: 25010 [2022-07-20 23:43:14,900 INFO L226 Difference]: Without dead ends: 12599 [2022-07-20 23:43:14,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-20 23:43:14,909 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 280 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:14,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 150 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 23:43:14,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12599 states. [2022-07-20 23:43:15,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12599 to 12413. [2022-07-20 23:43:15,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12413 states, 12412 states have (on average 1.116419593941347) internal successors, (13857), 12412 states have internal predecessors, (13857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:15,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12413 states to 12413 states and 13857 transitions. [2022-07-20 23:43:15,056 INFO L78 Accepts]: Start accepts. Automaton has 12413 states and 13857 transitions. Word has length 332 [2022-07-20 23:43:15,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:15,057 INFO L495 AbstractCegarLoop]: Abstraction has 12413 states and 13857 transitions. [2022-07-20 23:43:15,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.25) 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) [2022-07-20 23:43:15,057 INFO L276 IsEmpty]: Start isEmpty. Operand 12413 states and 13857 transitions. [2022-07-20 23:43:15,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-07-20 23:43:15,068 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:15,069 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:43:15,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-20 23:43:15,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:43:15,284 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:15,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:15,284 INFO L85 PathProgramCache]: Analyzing trace with hash 474538808, now seen corresponding path program 1 times [2022-07-20 23:43:15,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:15,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939166335] [2022-07-20 23:43:15,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:15,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:15,447 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-07-20 23:43:15,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:15,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939166335] [2022-07-20 23:43:15,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939166335] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:15,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:43:15,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 23:43:15,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663911484] [2022-07-20 23:43:15,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:15,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:43:15,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:15,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:43:15,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:43:15,450 INFO L87 Difference]: Start difference. First operand 12413 states and 13857 transitions. Second operand has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:16,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:16,560 INFO L93 Difference]: Finished difference Result 29071 states and 32393 transitions. [2022-07-20 23:43:16,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:43:16,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 0 states have call successors, (0), 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 354 [2022-07-20 23:43:16,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:16,576 INFO L225 Difference]: With dead ends: 29071 [2022-07-20 23:43:16,577 INFO L226 Difference]: Without dead ends: 16103 [2022-07-20 23:43:16,587 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 [2022-07-20 23:43:16,588 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 289 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 1506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:16,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 368 Invalid, 1506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-20 23:43:16,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16103 states. [2022-07-20 23:43:16,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16103 to 10550. [2022-07-20 23:43:16,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10550 states, 10549 states have (on average 1.1117641482604985) internal successors, (11728), 10549 states have internal predecessors, (11728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:16,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10550 states to 10550 states and 11728 transitions. [2022-07-20 23:43:16,728 INFO L78 Accepts]: Start accepts. Automaton has 10550 states and 11728 transitions. Word has length 354 [2022-07-20 23:43:16,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:16,728 INFO L495 AbstractCegarLoop]: Abstraction has 10550 states and 11728 transitions. [2022-07-20 23:43:16,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:16,729 INFO L276 IsEmpty]: Start isEmpty. Operand 10550 states and 11728 transitions. [2022-07-20 23:43:16,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-20 23:43:16,737 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:16,737 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:43:16,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-20 23:43:16,738 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:16,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:16,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1672122884, now seen corresponding path program 1 times [2022-07-20 23:43:16,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:16,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100765516] [2022-07-20 23:43:16,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:16,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:16,900 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-07-20 23:43:16,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:16,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100765516] [2022-07-20 23:43:16,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100765516] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:16,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:43:16,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 23:43:16,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056932277] [2022-07-20 23:43:16,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:16,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:43:16,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:16,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:43:16,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:43:16,904 INFO L87 Difference]: Start difference. First operand 10550 states and 11728 transitions. Second operand has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:17,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:17,697 INFO L93 Difference]: Finished difference Result 23312 states and 25815 transitions. [2022-07-20 23:43:17,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:43:17,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 0 states have call successors, (0), 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 367 [2022-07-20 23:43:17,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:17,709 INFO L225 Difference]: With dead ends: 23312 [2022-07-20 23:43:17,709 INFO L226 Difference]: Without dead ends: 12764 [2022-07-20 23:43:17,715 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 [2022-07-20 23:43:17,715 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 312 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:17,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 57 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 23:43:17,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12764 states. [2022-07-20 23:43:17,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12764 to 10177. [2022-07-20 23:43:17,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10177 states, 10176 states have (on average 1.1077044025157232) internal successors, (11272), 10176 states have internal predecessors, (11272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:17,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10177 states to 10177 states and 11272 transitions. [2022-07-20 23:43:17,809 INFO L78 Accepts]: Start accepts. Automaton has 10177 states and 11272 transitions. Word has length 367 [2022-07-20 23:43:17,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:17,810 INFO L495 AbstractCegarLoop]: Abstraction has 10177 states and 11272 transitions. [2022-07-20 23:43:17,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:17,810 INFO L276 IsEmpty]: Start isEmpty. Operand 10177 states and 11272 transitions. [2022-07-20 23:43:17,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-07-20 23:43:17,819 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:17,819 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:43:17,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-20 23:43:17,820 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:17,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:17,820 INFO L85 PathProgramCache]: Analyzing trace with hash 555394427, now seen corresponding path program 1 times [2022-07-20 23:43:17,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:17,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305976969] [2022-07-20 23:43:17,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:17,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:17,958 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-20 23:43:17,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:17,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305976969] [2022-07-20 23:43:17,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305976969] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:17,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:43:17,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:43:17,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378414933] [2022-07-20 23:43:17,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:17,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:43:17,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:17,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:43:17,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:43:17,961 INFO L87 Difference]: Start difference. First operand 10177 states and 11272 transitions. Second operand has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:18,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:18,835 INFO L93 Difference]: Finished difference Result 27179 states and 30081 transitions. [2022-07-20 23:43:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:43:18,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 402 [2022-07-20 23:43:18,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:18,851 INFO L225 Difference]: With dead ends: 27179 [2022-07-20 23:43:18,851 INFO L226 Difference]: Without dead ends: 17004 [2022-07-20 23:43:18,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:43:18,860 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 202 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:18,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 71 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 23:43:18,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17004 states. [2022-07-20 23:43:18,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17004 to 15891. [2022-07-20 23:43:18,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15891 states, 15890 states have (on average 1.1056639395846444) internal successors, (17569), 15890 states have internal predecessors, (17569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:19,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15891 states to 15891 states and 17569 transitions. [2022-07-20 23:43:19,079 INFO L78 Accepts]: Start accepts. Automaton has 15891 states and 17569 transitions. Word has length 402 [2022-07-20 23:43:19,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:19,079 INFO L495 AbstractCegarLoop]: Abstraction has 15891 states and 17569 transitions. [2022-07-20 23:43:19,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:19,080 INFO L276 IsEmpty]: Start isEmpty. Operand 15891 states and 17569 transitions. [2022-07-20 23:43:19,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2022-07-20 23:43:19,103 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:19,103 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:43:19,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-20 23:43:19,104 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:19,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:19,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1873288126, now seen corresponding path program 1 times [2022-07-20 23:43:19,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:19,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693635803] [2022-07-20 23:43:19,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:19,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:19,308 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 675 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-07-20 23:43:19,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:19,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693635803] [2022-07-20 23:43:19,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693635803] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:19,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:43:19,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:43:19,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511018405] [2022-07-20 23:43:19,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:19,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:43:19,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:19,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:43:19,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:43:19,311 INFO L87 Difference]: Start difference. First operand 15891 states and 17569 transitions. Second operand has 4 states, 4 states have (on average 94.5) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:20,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:20,277 INFO L93 Difference]: Finished difference Result 30497 states and 33716 transitions. [2022-07-20 23:43:20,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:43:20,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 94.5) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 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 547 [2022-07-20 23:43:20,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:20,293 INFO L225 Difference]: With dead ends: 30497 [2022-07-20 23:43:20,294 INFO L226 Difference]: Without dead ends: 17004 [2022-07-20 23:43:20,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:43:20,304 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 175 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:20,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 71 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1076 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-20 23:43:20,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17004 states. [2022-07-20 23:43:20,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17004 to 15707. [2022-07-20 23:43:20,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15707 states, 15706 states have (on average 1.1050553928434994) internal successors, (17356), 15706 states have internal predecessors, (17356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:20,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15707 states to 15707 states and 17356 transitions. [2022-07-20 23:43:20,478 INFO L78 Accepts]: Start accepts. Automaton has 15707 states and 17356 transitions. Word has length 547 [2022-07-20 23:43:20,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:20,479 INFO L495 AbstractCegarLoop]: Abstraction has 15707 states and 17356 transitions. [2022-07-20 23:43:20,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 94.5) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:20,479 INFO L276 IsEmpty]: Start isEmpty. Operand 15707 states and 17356 transitions. [2022-07-20 23:43:20,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2022-07-20 23:43:20,496 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:20,496 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2022-07-20 23:43:20,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-20 23:43:20,497 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:20,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:20,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1519719464, now seen corresponding path program 1 times [2022-07-20 23:43:20,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:20,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042807015] [2022-07-20 23:43:20,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:20,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:20,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 708 proven. 288 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-07-20 23:43:20,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:20,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042807015] [2022-07-20 23:43:20,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042807015] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 23:43:20,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433441788] [2022-07-20 23:43:20,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:20,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:43:20,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:43:20,824 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) [2022-07-20 23:43:20,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-20 23:43:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:20,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 23:43:20,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 23:43:21,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2022-07-20 23:43:21,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 23:43:21,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433441788] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:21,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 23:43:21,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-07-20 23:43:21,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768615972] [2022-07-20 23:43:21,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:21,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:43:21,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:21,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:43:21,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-20 23:43:21,113 INFO L87 Difference]: Start difference. First operand 15707 states and 17356 transitions. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:21,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:21,706 INFO L93 Difference]: Finished difference Result 32511 states and 35885 transitions. [2022-07-20 23:43:21,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:43:21,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 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 561 [2022-07-20 23:43:21,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:21,709 INFO L225 Difference]: With dead ends: 32511 [2022-07-20 23:43:21,709 INFO L226 Difference]: Without dead ends: 0 [2022-07-20 23:43:21,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 561 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-20 23:43:21,722 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 106 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:21,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 129 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:43:21,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-20 23:43:21,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-20 23:43:21,723 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) [2022-07-20 23:43:21,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-20 23:43:21,723 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 561 [2022-07-20 23:43:21,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:21,724 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-20 23:43:21,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:21,724 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-20 23:43:21,724 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-20 23:43:21,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 23:43:21,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-20 23:43:21,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:43:21,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-20 23:43:32,553 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-07-20 23:43:32,555 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,555 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-07-20 23:43:32,555 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,555 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,555 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,556 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,556 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,556 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,556 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-07-20 23:43:32,556 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-07-20 23:43:32,556 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-07-20 23:43:32,556 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,557 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,557 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,557 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,557 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,557 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,557 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,557 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,558 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,558 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,558 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-07-20 23:43:32,558 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-07-20 23:43:32,558 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-07-20 23:43:32,558 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,558 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-07-20 23:43:32,558 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-07-20 23:43:32,559 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,559 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,559 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,559 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,559 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,559 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,559 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-07-20 23:43:32,560 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-07-20 23:43:32,560 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-07-20 23:43:32,560 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,560 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,560 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,560 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse2 (<= ~a29~0 130)) (.cse1 (<= ~a25~0 10)) (.cse4 (= ~a25~0 12)) (.cse10 (<= ~a23~0 137)) (.cse8 (= ~a25~0 13)) (.cse3 (<= (+ ~a23~0 43) 0)) (.cse6 (<= ~a29~0 599999)) (.cse11 (= ~a25~0 9)) (.cse7 (= ~a4~0 1)) (.cse9 (<= ~a29~0 275)) (.cse0 (= ~a4~0 0)) (.cse5 (= ~a25~0 11)) (.cse12 (<= ~a23~0 262))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 (<= ~a29~0 220)) (and .cse5 .cse6 .cse7) (and .cse3 .cse5 .cse2) (and .cse8 .cse6 .cse7) (and .cse1 .cse6 .cse7 (not (<= ~a23~0 306))) (and .cse9 .cse4 .cse0) (and .cse8 .cse0 (<= (+ 35913 ~a29~0) 0) .cse10) (and .cse6 (or (and .cse3 (<= (+ ~a29~0 275824) 0) .cse11) (and .cse3 .cse1 .cse7))) (and .cse9 .cse1 .cse7) (and (<= ~a29~0 140) .cse0 .cse1 .cse12) (and .cse3 .cse0 .cse6 .cse11) (and .cse3 .cse0 .cse5 .cse6) (and .cse4 .cse6 .cse7) (and .cse5 .cse7 .cse10) (and .cse4 .cse0 .cse6 .cse10) (and .cse8 .cse3 .cse9 .cse0) (and .cse6 .cse11 .cse7) (and .cse9 .cse0 .cse5 .cse12))) [2022-07-20 23:43:32,561 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,561 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-07-20 23:43:32,561 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-07-20 23:43:32,561 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,561 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,561 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,561 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,562 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,562 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,562 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-07-20 23:43:32,562 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-07-20 23:43:32,562 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-07-20 23:43:32,562 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-07-20 23:43:32,562 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,562 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,563 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,563 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,563 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,563 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,563 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,563 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-07-20 23:43:32,563 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-07-20 23:43:32,564 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-07-20 23:43:32,564 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,564 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,564 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,564 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,564 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,564 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,564 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,565 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,565 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,565 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-07-20 23:43:32,565 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-07-20 23:43:32,565 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-07-20 23:43:32,565 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,566 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse2 (<= ~a29~0 130)) (.cse1 (<= ~a25~0 10)) (.cse4 (= ~a25~0 12)) (.cse10 (<= ~a23~0 137)) (.cse8 (= ~a25~0 13)) (.cse3 (<= (+ ~a23~0 43) 0)) (.cse6 (<= ~a29~0 599999)) (.cse11 (= ~a25~0 9)) (.cse7 (= ~a4~0 1)) (.cse9 (<= ~a29~0 275)) (.cse0 (= ~a4~0 0)) (.cse5 (= ~a25~0 11)) (.cse12 (<= ~a23~0 262))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 (<= ~a29~0 220)) (and .cse5 .cse6 .cse7) (and .cse3 .cse5 .cse2) (and .cse8 .cse6 .cse7) (and .cse1 .cse6 .cse7 (not (<= ~a23~0 306))) (and .cse9 .cse4 .cse0) (and .cse8 .cse0 (<= (+ 35913 ~a29~0) 0) .cse10) (and .cse6 (or (and .cse3 (<= (+ ~a29~0 275824) 0) .cse11) (and .cse3 .cse1 .cse7))) (and .cse9 .cse1 .cse7) (and (<= ~a29~0 140) .cse0 .cse1 .cse12) (and .cse3 .cse0 .cse6 .cse11) (and .cse3 .cse0 .cse5 .cse6) (and .cse4 .cse6 .cse7) (and .cse5 .cse7 .cse10) (and .cse4 .cse0 .cse6 .cse10) (and .cse8 .cse3 .cse9 .cse0) (and .cse6 .cse11 .cse7) (and .cse9 .cse0 .cse5 .cse12))) [2022-07-20 23:43:32,566 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,566 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,566 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,566 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,566 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,566 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,566 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,567 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,567 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-07-20 23:43:32,567 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-07-20 23:43:32,567 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-07-20 23:43:32,567 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-07-20 23:43:32,567 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-07-20 23:43:32,567 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-07-20 23:43:32,568 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-07-20 23:43:32,568 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,568 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,568 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,568 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,568 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,568 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,568 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,569 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,569 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,569 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,569 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-20 23:43:32,569 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-07-20 23:43:32,569 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-07-20 23:43:32,569 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-07-20 23:43:32,570 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-07-20 23:43:32,570 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,570 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,570 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,570 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,570 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,570 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-07-20 23:43:32,570 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-07-20 23:43:32,571 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-07-20 23:43:32,571 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,571 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,571 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,571 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,571 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-07-20 23:43:32,571 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-07-20 23:43:32,572 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,572 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,572 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,572 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,572 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,572 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,572 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-07-20 23:43:32,572 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-07-20 23:43:32,573 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,573 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,573 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-07-20 23:43:32,573 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-07-20 23:43:32,573 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-07-20 23:43:32,573 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-20 23:43:32,573 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2022-07-20 23:43:32,574 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,574 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,574 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,574 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,574 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,574 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,574 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,574 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-07-20 23:43:32,575 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-07-20 23:43:32,575 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-07-20 23:43:32,575 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-07-20 23:43:32,575 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-07-20 23:43:32,575 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-07-20 23:43:32,575 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-07-20 23:43:32,575 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,575 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,576 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-07-20 23:43:32,576 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-07-20 23:43:32,576 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,576 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,576 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,576 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,576 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,577 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-07-20 23:43:32,577 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-07-20 23:43:32,577 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-07-20 23:43:32,577 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,577 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,577 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,577 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,577 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,578 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,578 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-07-20 23:43:32,578 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-07-20 23:43:32,578 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-07-20 23:43:32,578 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,578 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,578 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,578 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,579 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,579 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,579 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,579 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,579 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-07-20 23:43:32,579 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-07-20 23:43:32,579 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-07-20 23:43:32,579 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,580 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,580 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,580 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,580 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,580 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,580 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,580 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,580 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,581 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,581 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,581 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-07-20 23:43:32,581 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-07-20 23:43:32,581 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-20 23:43:32,581 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-07-20 23:43:32,581 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-07-20 23:43:32,581 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,582 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,582 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,582 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,582 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,582 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,582 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,582 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-07-20 23:43:32,582 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-07-20 23:43:32,583 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-07-20 23:43:32,583 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,583 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,583 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,583 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-07-20 23:43:32,583 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-07-20 23:43:32,583 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,584 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,584 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,584 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,584 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,584 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-07-20 23:43:32,584 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-07-20 23:43:32,584 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,584 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,585 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-07-20 23:43:32,585 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-07-20 23:43:32,585 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,585 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-20 23:43:32,585 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,585 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,585 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,585 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,586 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,586 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-07-20 23:43:32,586 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-07-20 23:43:32,586 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-07-20 23:43:32,586 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-07-20 23:43:32,586 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,586 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,586 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,586 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,586 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,586 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,586 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,586 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,586 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-07-20 23:43:32,587 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-07-20 23:43:32,587 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-07-20 23:43:32,587 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-07-20 23:43:32,587 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-07-20 23:43:32,587 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-07-20 23:43:32,587 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,587 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,588 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,588 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,588 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,588 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,588 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,588 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-07-20 23:43:32,588 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-07-20 23:43:32,588 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-20 23:43:32,589 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,589 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,589 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,589 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,589 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,589 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,589 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-07-20 23:43:32,589 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-07-20 23:43:32,590 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,590 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,590 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,590 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,590 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,590 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,590 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,590 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-07-20 23:43:32,591 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:32,591 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,591 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,591 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-07-20 23:43:32,591 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-07-20 23:43:32,591 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-07-20 23:43:32,591 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-07-20 23:43:32,594 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] [2022-07-20 23:43:32,596 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-20 23:43:32,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:43:32 BoogieIcfgContainer [2022-07-20 23:43:32,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-20 23:43:32,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-20 23:43:32,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-20 23:43:32,616 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-20 23:43:32,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:42:53" (3/4) ... [2022-07-20 23:43:32,618 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-20 23:43:32,638 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-20 23:43:32,640 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-20 23:43:32,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-20 23:43:32,642 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-20 23:43:32,742 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-20 23:43:32,743 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-20 23:43:32,743 INFO L158 Benchmark]: Toolchain (without parser) took 42051.82ms. Allocated memory was 54.5MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 29.3MB in the beginning and 1.0GB in the end (delta: -999.5MB). Peak memory consumption was 498.7MB. Max. memory is 16.1GB. [2022-07-20 23:43:32,744 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 35.8MB in the beginning and 35.8MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 23:43:32,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 652.78ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.1MB in the beginning and 32.1MB in the end (delta: -3.0MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2022-07-20 23:43:32,744 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.16ms. Allocated memory is still 67.1MB. Free memory was 31.9MB in the beginning and 29.9MB in the end (delta: 2.0MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2022-07-20 23:43:32,745 INFO L158 Benchmark]: Boogie Preprocessor took 125.41ms. Allocated memory is still 67.1MB. Free memory was 29.9MB in the beginning and 30.4MB in the end (delta: -532.8kB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2022-07-20 23:43:32,745 INFO L158 Benchmark]: RCFGBuilder took 1521.69ms. Allocated memory was 67.1MB in the beginning and 125.8MB in the end (delta: 58.7MB). Free memory was 30.4MB in the beginning and 87.6MB in the end (delta: -57.1MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2022-07-20 23:43:32,746 INFO L158 Benchmark]: TraceAbstraction took 39486.24ms. Allocated memory was 125.8MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 87.6MB in the beginning and 1.0GB in the end (delta: -955.9MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-07-20 23:43:32,747 INFO L158 Benchmark]: Witness Printer took 127.42ms. Allocated memory is still 1.6GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-20 23:43:32,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 35.8MB in the beginning and 35.8MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 652.78ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.1MB in the beginning and 32.1MB in the end (delta: -3.0MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.16ms. Allocated memory is still 67.1MB. Free memory was 31.9MB in the beginning and 29.9MB in the end (delta: 2.0MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.41ms. Allocated memory is still 67.1MB. Free memory was 29.9MB in the beginning and 30.4MB in the end (delta: -532.8kB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1521.69ms. Allocated memory was 67.1MB in the beginning and 125.8MB in the end (delta: 58.7MB). Free memory was 30.4MB in the beginning and 87.6MB in the end (delta: -57.1MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * TraceAbstraction took 39486.24ms. Allocated memory was 125.8MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 87.6MB in the beginning and 1.0GB in the end (delta: -955.9MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 127.42ms. Allocated memory is still 1.6GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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: 151]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 39.4s, OverallIterations: 22, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 19.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4226 SdHoareTripleChecker+Valid, 16.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4226 mSDsluCounter, 4826 SdHoareTripleChecker+Invalid, 13.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 656 mSDsCounter, 2140 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16693 IncrementalHoareTripleChecker+Invalid, 18833 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2140 mSolverCounterUnsat, 4170 mSDtfsCounter, 16693 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1500 GetRequests, 1454 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17789occurred in iteration=11, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 22 MinimizatonAttempts, 24316 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 205 NumberOfFragments, 499 HoareAnnotationTreeSize, 3 FomulaSimplifications, 38142 FormulaSimplificationTreeSizeReduction, 7.9s HoareSimplificationTime, 3 FomulaSimplificationsInter, 68660 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 7509 NumberOfCodeBlocks, 7509 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 7483 ConstructedInterpolants, 0 QuantifiedInterpolants, 30631 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2026 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 26 InterpolantComputations, 22 PerfectInterpolantSequences, 7413/7924 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: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((a4 == 0 && a25 <= 10) && a29 <= 130) || ((a23 + 43 <= 0 && a25 == 12) && a29 <= 220)) || ((a25 == 11 && a29 <= 599999) && a4 == 1)) || ((a23 + 43 <= 0 && a25 == 11) && a29 <= 130)) || ((a25 == 13 && a29 <= 599999) && a4 == 1)) || (((a25 <= 10 && a29 <= 599999) && a4 == 1) && !(a23 <= 306))) || ((a29 <= 275 && a25 == 12) && a4 == 0)) || (((a25 == 13 && a4 == 0) && 35913 + a29 <= 0) && a23 <= 137)) || (a29 <= 599999 && (((a23 + 43 <= 0 && a29 + 275824 <= 0) && a25 == 9) || ((a23 + 43 <= 0 && a25 <= 10) && a4 == 1)))) || ((a29 <= 275 && a25 <= 10) && a4 == 1)) || (((a29 <= 140 && a4 == 0) && a25 <= 10) && a23 <= 262)) || (((a23 + 43 <= 0 && a4 == 0) && a29 <= 599999) && a25 == 9)) || (((a23 + 43 <= 0 && a4 == 0) && a25 == 11) && a29 <= 599999)) || ((a25 == 12 && a29 <= 599999) && a4 == 1)) || ((a25 == 11 && a4 == 1) && a23 <= 137)) || (((a25 == 12 && a4 == 0) && a29 <= 599999) && a23 <= 137)) || (((a25 == 13 && a23 + 43 <= 0) && a29 <= 275) && a4 == 0)) || ((a29 <= 599999 && a25 == 9) && a4 == 1)) || (((a29 <= 275 && a4 == 0) && a25 == 11) && a23 <= 262) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((a4 == 0 && a25 <= 10) && a29 <= 130) || ((a23 + 43 <= 0 && a25 == 12) && a29 <= 220)) || ((a25 == 11 && a29 <= 599999) && a4 == 1)) || ((a23 + 43 <= 0 && a25 == 11) && a29 <= 130)) || ((a25 == 13 && a29 <= 599999) && a4 == 1)) || (((a25 <= 10 && a29 <= 599999) && a4 == 1) && !(a23 <= 306))) || ((a29 <= 275 && a25 == 12) && a4 == 0)) || (((a25 == 13 && a4 == 0) && 35913 + a29 <= 0) && a23 <= 137)) || (a29 <= 599999 && (((a23 + 43 <= 0 && a29 + 275824 <= 0) && a25 == 9) || ((a23 + 43 <= 0 && a25 <= 10) && a4 == 1)))) || ((a29 <= 275 && a25 <= 10) && a4 == 1)) || (((a29 <= 140 && a4 == 0) && a25 <= 10) && a23 <= 262)) || (((a23 + 43 <= 0 && a4 == 0) && a29 <= 599999) && a25 == 9)) || (((a23 + 43 <= 0 && a4 == 0) && a25 == 11) && a29 <= 599999)) || ((a25 == 12 && a29 <= 599999) && a4 == 1)) || ((a25 == 11 && a4 == 1) && a23 <= 137)) || (((a25 == 12 && a4 == 0) && a29 <= 599999) && a23 <= 137)) || (((a25 == 13 && a23 + 43 <= 0) && a29 <= 275) && a4 == 0)) || ((a29 <= 599999 && a25 == 9) && a4 == 1)) || (((a29 <= 275 && a4 == 0) && a25 == 11) && a23 <= 262) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-20 23:43:32,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE