./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label19.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 8aa577dc4c04bf53d7d29751ed362e9afcf94d1db611db106e7ed08797634e47 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 12:04:54,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 12:04:54,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 12:04:54,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 12:04:54,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 12:04:54,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 12:04:54,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 12:04:54,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 12:04:54,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 12:04:54,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 12:04:54,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 12:04:54,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 12:04:54,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 12:04:54,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 12:04:54,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 12:04:54,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 12:04:54,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 12:04:54,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 12:04:54,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 12:04:54,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 12:04:54,659 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 12:04:54,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 12:04:54,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 12:04:54,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 12:04:54,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 12:04:54,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 12:04:54,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 12:04:54,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 12:04:54,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 12:04:54,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 12:04:54,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 12:04:54,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 12:04:54,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 12:04:54,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 12:04:54,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 12:04:54,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 12:04:54,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 12:04:54,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 12:04:54,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 12:04:54,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 12:04:54,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 12:04:54,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 12:04:54,705 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 12:04:54,741 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 12:04:54,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 12:04:54,741 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 12:04:54,742 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 12:04:54,742 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 12:04:54,743 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 12:04:54,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 12:04:54,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 12:04:54,744 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 12:04:54,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 12:04:54,744 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 12:04:54,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 12:04:54,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 12:04:54,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 12:04:54,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 12:04:54,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 12:04:54,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 12:04:54,746 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 12:04:54,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 12:04:54,746 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 12:04:54,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 12:04:54,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 12:04:54,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 12:04:54,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 12:04:54,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 12:04:54,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 12:04:54,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 12:04:54,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 12:04:54,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 12:04:54,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 12:04:54,760 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 12:04:54,760 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 12:04:54,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 12:04:54,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8aa577dc4c04bf53d7d29751ed362e9afcf94d1db611db106e7ed08797634e47 [2022-07-19 12:04:55,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 12:04:55,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 12:04:55,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 12:04:55,165 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 12:04:55,166 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 12:04:55,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label19.c [2022-07-19 12:04:55,298 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea1903b2e/8dad9ebaec8a4655b072ff21ca7a58db/FLAGfc036d342 [2022-07-19 12:04:56,179 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 12:04:56,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label19.c [2022-07-19 12:04:56,191 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea1903b2e/8dad9ebaec8a4655b072ff21ca7a58db/FLAGfc036d342 [2022-07-19 12:04:56,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea1903b2e/8dad9ebaec8a4655b072ff21ca7a58db [2022-07-19 12:04:56,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 12:04:56,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 12:04:56,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 12:04:56,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 12:04:56,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 12:04:56,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 12:04:56" (1/1) ... [2022-07-19 12:04:56,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71065dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:56, skipping insertion in model container [2022-07-19 12:04:56,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 12:04:56" (1/1) ... [2022-07-19 12:04:56,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 12:04:56,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 12:04:56,781 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_label19.c[8142,8155] [2022-07-19 12:04:56,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 12:04:56,982 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 12:04:57,002 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_label19.c[8142,8155] [2022-07-19 12:04:57,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 12:04:57,155 INFO L208 MainTranslator]: Completed translation [2022-07-19 12:04:57,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:57 WrapperNode [2022-07-19 12:04:57,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 12:04:57,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 12:04:57,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 12:04:57,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 12:04:57,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:57" (1/1) ... [2022-07-19 12:04:57,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:57" (1/1) ... [2022-07-19 12:04:57,380 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-07-19 12:04:57,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 12:04:57,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 12:04:57,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 12:04:57,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 12:04:57,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:57" (1/1) ... [2022-07-19 12:04:57,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:57" (1/1) ... [2022-07-19 12:04:57,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:57" (1/1) ... [2022-07-19 12:04:57,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:57" (1/1) ... [2022-07-19 12:04:57,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:57" (1/1) ... [2022-07-19 12:04:57,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:57" (1/1) ... [2022-07-19 12:04:57,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:57" (1/1) ... [2022-07-19 12:04:57,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 12:04:57,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 12:04:57,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 12:04:57,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 12:04:57,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:57" (1/1) ... [2022-07-19 12:04:57,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 12:04:57,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:04:57,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 12:04:57,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 12:04:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 12:04:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 12:04:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 12:04:57,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 12:04:57,788 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 12:04:57,790 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 12:04:59,501 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 12:04:59,515 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 12:04:59,515 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-19 12:04:59,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 12:04:59 BoogieIcfgContainer [2022-07-19 12:04:59,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 12:04:59,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 12:04:59,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 12:04:59,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 12:04:59,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 12:04:56" (1/3) ... [2022-07-19 12:04:59,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4840307b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 12:04:59, skipping insertion in model container [2022-07-19 12:04:59,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:57" (2/3) ... [2022-07-19 12:04:59,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4840307b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 12:04:59, skipping insertion in model container [2022-07-19 12:04:59,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 12:04:59" (3/3) ... [2022-07-19 12:04:59,533 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label19.c [2022-07-19 12:04:59,546 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 12:04:59,546 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 12:04:59,634 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 12:04:59,656 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@254aa906, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@70e6863f [2022-07-19 12:04:59,656 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 12:04:59,664 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) [2022-07-19 12:04:59,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-19 12:04:59,679 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:59,680 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:59,686 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:59,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:59,699 INFO L85 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times [2022-07-19 12:04:59,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:59,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616910156] [2022-07-19 12:04:59,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:59,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:00,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:05:00,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:00,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616910156] [2022-07-19 12:05:00,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616910156] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:00,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:00,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:05:00,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942265490] [2022-07-19 12:05:00,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:00,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:05:00,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:00,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:05:00,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:00,160 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 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:01,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:01,217 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2022-07-19 12:05:01,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:05:01,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2022-07-19 12:05:01,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:01,233 INFO L225 Difference]: With dead ends: 761 [2022-07-19 12:05:01,233 INFO L226 Difference]: Without dead ends: 413 [2022-07-19 12:05:01,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:01,239 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 172 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:01,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-19 12:05:01,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-07-19 12:05:01,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2022-07-19 12:05:01,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:01,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2022-07-19 12:05:01,341 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 56 [2022-07-19 12:05:01,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:01,342 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2022-07-19 12:05:01,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:01,344 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2022-07-19 12:05:01,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-19 12:05:01,348 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:01,348 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-19 12:05:01,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 12:05:01,349 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:01,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:01,350 INFO L85 PathProgramCache]: Analyzing trace with hash 145975082, now seen corresponding path program 1 times [2022-07-19 12:05:01,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:01,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132020204] [2022-07-19 12:05:01,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:01,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:01,512 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:05:01,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:01,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132020204] [2022-07-19 12:05:01,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132020204] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:01,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:01,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:05:01,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431812889] [2022-07-19 12:05:01,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:01,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:05:01,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:01,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:05:01,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:01,517 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:02,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:02,457 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2022-07-19 12:05:02,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:05:02,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-07-19 12:05:02,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:02,467 INFO L225 Difference]: With dead ends: 1211 [2022-07-19 12:05:02,467 INFO L226 Difference]: Without dead ends: 800 [2022-07-19 12:05:02,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:02,470 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:02,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 118 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 12:05:02,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-07-19 12:05:02,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2022-07-19 12:05:02,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3756345177664975) internal successors, (1084), 788 states have internal predecessors, (1084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:02,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1084 transitions. [2022-07-19 12:05:02,526 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1084 transitions. Word has length 124 [2022-07-19 12:05:02,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:02,527 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1084 transitions. [2022-07-19 12:05:02,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:02,528 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1084 transitions. [2022-07-19 12:05:02,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-19 12:05:02,536 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:02,537 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-19 12:05:02,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 12:05:02,537 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:02,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:02,538 INFO L85 PathProgramCache]: Analyzing trace with hash -87355732, now seen corresponding path program 1 times [2022-07-19 12:05:02,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:02,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282872257] [2022-07-19 12:05:02,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:02,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:02,711 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:05:02,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:02,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282872257] [2022-07-19 12:05:02,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282872257] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:02,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:02,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:05:02,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486637565] [2022-07-19 12:05:02,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:02,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:05:02,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:02,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:05:02,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:02,715 INFO L87 Difference]: Start difference. First operand 789 states and 1084 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:03,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:03,413 INFO L93 Difference]: Finished difference Result 1945 states and 2614 transitions. [2022-07-19 12:05:03,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:05:03,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-07-19 12:05:03,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:03,418 INFO L225 Difference]: With dead ends: 1945 [2022-07-19 12:05:03,418 INFO L226 Difference]: Without dead ends: 1158 [2022-07-19 12:05:03,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:03,421 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, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:03,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:05:03,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-07-19 12:05:03,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2022-07-19 12:05:03,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2716262975778547) internal successors, (1470), 1156 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:03,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1470 transitions. [2022-07-19 12:05:03,450 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1470 transitions. Word has length 125 [2022-07-19 12:05:03,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:03,451 INFO L495 AbstractCegarLoop]: Abstraction has 1157 states and 1470 transitions. [2022-07-19 12:05:03,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:03,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1470 transitions. [2022-07-19 12:05:03,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-07-19 12:05:03,454 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:03,454 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-19 12:05:03,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 12:05:03,455 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:03,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:03,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1822006727, now seen corresponding path program 1 times [2022-07-19 12:05:03,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:03,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888988882] [2022-07-19 12:05:03,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:03,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:03,602 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:05:03,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:03,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888988882] [2022-07-19 12:05:03,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888988882] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:03,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:03,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:05:03,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012630346] [2022-07-19 12:05:03,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:03,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:05:03,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:03,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:05:03,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:03,608 INFO L87 Difference]: Start difference. First operand 1157 states and 1470 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:04,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:04,321 INFO L93 Difference]: Finished difference Result 2519 states and 3352 transitions. [2022-07-19 12:05:04,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:05:04,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 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 183 [2022-07-19 12:05:04,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:04,329 INFO L225 Difference]: With dead ends: 2519 [2022-07-19 12:05:04,329 INFO L226 Difference]: Without dead ends: 1548 [2022-07-19 12:05:04,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:04,335 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 179 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 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, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:04,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:05:04,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2022-07-19 12:05:04,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2022-07-19 12:05:04,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.294041450777202) internal successors, (1998), 1544 states have internal predecessors, (1998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:04,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1998 transitions. [2022-07-19 12:05:04,373 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1998 transitions. Word has length 183 [2022-07-19 12:05:04,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:04,375 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 1998 transitions. [2022-07-19 12:05:04,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:04,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1998 transitions. [2022-07-19 12:05:04,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-19 12:05:04,381 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:04,382 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:04,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 12:05:04,382 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:04,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:04,383 INFO L85 PathProgramCache]: Analyzing trace with hash -293129306, now seen corresponding path program 1 times [2022-07-19 12:05:04,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:04,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137644552] [2022-07-19 12:05:04,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:04,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:04,529 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:05:04,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:04,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137644552] [2022-07-19 12:05:04,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137644552] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:04,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:04,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:05:04,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678205373] [2022-07-19 12:05:04,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:04,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:05:04,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:04,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:05:04,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:04,532 INFO L87 Difference]: Start difference. First operand 1545 states and 1998 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:05,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:05,239 INFO L93 Difference]: Finished difference Result 3656 states and 4826 transitions. [2022-07-19 12:05:05,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:05:05,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 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 236 [2022-07-19 12:05:05,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:05,248 INFO L225 Difference]: With dead ends: 3656 [2022-07-19 12:05:05,249 INFO L226 Difference]: Without dead ends: 2297 [2022-07-19 12:05:05,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:05,267 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 136 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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 [2022-07-19 12:05:05,268 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] [2022-07-19 12:05:05,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2022-07-19 12:05:05,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 2100. [2022-07-19 12:05:05,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 1.2706050500238208) internal successors, (2667), 2099 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:05,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2667 transitions. [2022-07-19 12:05:05,312 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2667 transitions. Word has length 236 [2022-07-19 12:05:05,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:05,312 INFO L495 AbstractCegarLoop]: Abstraction has 2100 states and 2667 transitions. [2022-07-19 12:05:05,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:05,317 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2667 transitions. [2022-07-19 12:05:05,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-07-19 12:05:05,320 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:05,321 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:05,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 12:05:05,322 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:05,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:05,322 INFO L85 PathProgramCache]: Analyzing trace with hash -814689872, now seen corresponding path program 1 times [2022-07-19 12:05:05,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:05,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730493530] [2022-07-19 12:05:05,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:05,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:05,516 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:05:05,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:05,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730493530] [2022-07-19 12:05:05,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730493530] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:05,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:05,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 12:05:05,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860625274] [2022-07-19 12:05:05,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:05,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:05:05,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:05,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:05:05,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:05:05,519 INFO L87 Difference]: Start difference. First operand 2100 states and 2667 transitions. Second operand has 4 states, 4 states have (on average 59.25) internal successors, (237), 4 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:07,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:07,077 INFO L93 Difference]: Finished difference Result 6988 states and 9014 transitions. [2022-07-19 12:05:07,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:05:07,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 59.25) internal successors, (237), 4 states have internal predecessors, (237), 0 states have call successors, (0), 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 237 [2022-07-19 12:05:07,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:07,098 INFO L225 Difference]: With dead ends: 6988 [2022-07-19 12:05:07,098 INFO L226 Difference]: Without dead ends: 4890 [2022-07-19 12:05:07,104 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 [2022-07-19 12:05:07,108 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 323 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 1392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:07,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 71 Invalid, 1392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 12:05:07,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4890 states. [2022-07-19 12:05:07,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4890 to 4690. [2022-07-19 12:05:07,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4690 states, 4689 states have (on average 1.2518660695244188) internal successors, (5870), 4689 states have internal predecessors, (5870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:07,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4690 states to 4690 states and 5870 transitions. [2022-07-19 12:05:07,237 INFO L78 Accepts]: Start accepts. Automaton has 4690 states and 5870 transitions. Word has length 237 [2022-07-19 12:05:07,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:07,238 INFO L495 AbstractCegarLoop]: Abstraction has 4690 states and 5870 transitions. [2022-07-19 12:05:07,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.25) internal successors, (237), 4 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:07,239 INFO L276 IsEmpty]: Start isEmpty. Operand 4690 states and 5870 transitions. [2022-07-19 12:05:07,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-19 12:05:07,243 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:07,243 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:07,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 12:05:07,244 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:07,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:07,244 INFO L85 PathProgramCache]: Analyzing trace with hash 298488641, now seen corresponding path program 1 times [2022-07-19 12:05:07,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:07,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603731140] [2022-07-19 12:05:07,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:07,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:07,411 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-19 12:05:07,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:07,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603731140] [2022-07-19 12:05:07,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603731140] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:07,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:07,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:05:07,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037655379] [2022-07-19 12:05:07,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:07,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:05:07,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:07,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:05:07,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:07,414 INFO L87 Difference]: Start difference. First operand 4690 states and 5870 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:08,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:08,166 INFO L93 Difference]: Finished difference Result 10496 states and 13349 transitions. [2022-07-19 12:05:08,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:05:08,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 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 238 [2022-07-19 12:05:08,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:08,190 INFO L225 Difference]: With dead ends: 10496 [2022-07-19 12:05:08,191 INFO L226 Difference]: Without dead ends: 6176 [2022-07-19 12:05:08,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:08,205 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 141 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:08,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 371 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:05:08,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6176 states. [2022-07-19 12:05:08,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6176 to 5978. [2022-07-19 12:05:08,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5978 states, 5977 states have (on average 1.2297139032959679) internal successors, (7350), 5977 states have internal predecessors, (7350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:08,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5978 states to 5978 states and 7350 transitions. [2022-07-19 12:05:08,377 INFO L78 Accepts]: Start accepts. Automaton has 5978 states and 7350 transitions. Word has length 238 [2022-07-19 12:05:08,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:08,378 INFO L495 AbstractCegarLoop]: Abstraction has 5978 states and 7350 transitions. [2022-07-19 12:05:08,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:08,379 INFO L276 IsEmpty]: Start isEmpty. Operand 5978 states and 7350 transitions. [2022-07-19 12:05:08,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-07-19 12:05:08,391 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:08,392 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-19 12:05:08,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 12:05:08,392 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:08,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:08,393 INFO L85 PathProgramCache]: Analyzing trace with hash -70460415, now seen corresponding path program 1 times [2022-07-19 12:05:08,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:08,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195532104] [2022-07-19 12:05:08,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:08,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:08,544 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-07-19 12:05:08,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:08,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195532104] [2022-07-19 12:05:08,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195532104] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:08,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:08,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:05:08,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032031138] [2022-07-19 12:05:08,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:08,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:05:08,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:08,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:05:08,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:08,547 INFO L87 Difference]: Start difference. First operand 5978 states and 7350 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:09,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:09,334 INFO L93 Difference]: Finished difference Result 14181 states and 17519 transitions. [2022-07-19 12:05:09,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:05:09,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 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 248 [2022-07-19 12:05:09,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:09,381 INFO L225 Difference]: With dead ends: 14181 [2022-07-19 12:05:09,382 INFO L226 Difference]: Without dead ends: 8573 [2022-07-19 12:05:09,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:09,393 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 163 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:09,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 330 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:05:09,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8573 states. [2022-07-19 12:05:09,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8573 to 8017. [2022-07-19 12:05:09,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8017 states, 8016 states have (on average 1.2169411177644711) internal successors, (9755), 8016 states have internal predecessors, (9755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:09,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8017 states to 8017 states and 9755 transitions. [2022-07-19 12:05:09,618 INFO L78 Accepts]: Start accepts. Automaton has 8017 states and 9755 transitions. Word has length 248 [2022-07-19 12:05:09,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:09,618 INFO L495 AbstractCegarLoop]: Abstraction has 8017 states and 9755 transitions. [2022-07-19 12:05:09,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:09,619 INFO L276 IsEmpty]: Start isEmpty. Operand 8017 states and 9755 transitions. [2022-07-19 12:05:09,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-07-19 12:05:09,624 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:09,624 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:09,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 12:05:09,626 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:09,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:09,627 INFO L85 PathProgramCache]: Analyzing trace with hash 2090947407, now seen corresponding path program 1 times [2022-07-19 12:05:09,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:09,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183986521] [2022-07-19 12:05:09,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:09,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:09,744 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-07-19 12:05:09,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:09,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183986521] [2022-07-19 12:05:09,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183986521] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:09,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:09,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:05:09,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291083844] [2022-07-19 12:05:09,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:09,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:05:09,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:09,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:05:09,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:09,747 INFO L87 Difference]: Start difference. First operand 8017 states and 9755 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:10,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:10,530 INFO L93 Difference]: Finished difference Result 17345 states and 21233 transitions. [2022-07-19 12:05:10,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:05:10,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 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 258 [2022-07-19 12:05:10,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:10,570 INFO L225 Difference]: With dead ends: 17345 [2022-07-19 12:05:10,570 INFO L226 Difference]: Without dead ends: 9698 [2022-07-19 12:05:10,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:10,584 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 146 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:10,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 199 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:05:10,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9698 states. [2022-07-19 12:05:10,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9698 to 9304. [2022-07-19 12:05:10,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9304 states, 9303 states have (on average 1.2159518434913468) internal successors, (11312), 9303 states have internal predecessors, (11312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:10,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9304 states to 9304 states and 11312 transitions. [2022-07-19 12:05:10,777 INFO L78 Accepts]: Start accepts. Automaton has 9304 states and 11312 transitions. Word has length 258 [2022-07-19 12:05:10,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:10,777 INFO L495 AbstractCegarLoop]: Abstraction has 9304 states and 11312 transitions. [2022-07-19 12:05:10,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:10,778 INFO L276 IsEmpty]: Start isEmpty. Operand 9304 states and 11312 transitions. [2022-07-19 12:05:10,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-19 12:05:10,784 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:10,784 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:10,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 12:05:10,785 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:10,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:10,789 INFO L85 PathProgramCache]: Analyzing trace with hash 973039469, now seen corresponding path program 1 times [2022-07-19 12:05:10,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:10,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124859078] [2022-07-19 12:05:10,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:10,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:10,886 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-19 12:05:10,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:10,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124859078] [2022-07-19 12:05:10,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124859078] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:10,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:10,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:05:10,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097898344] [2022-07-19 12:05:10,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:10,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:05:10,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:10,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:05:10,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:10,892 INFO L87 Difference]: Start difference. First operand 9304 states and 11312 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:11,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:11,962 INFO L93 Difference]: Finished difference Result 18205 states and 22188 transitions. [2022-07-19 12:05:11,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:05:11,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 259 [2022-07-19 12:05:11,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:11,981 INFO L225 Difference]: With dead ends: 18205 [2022-07-19 12:05:11,982 INFO L226 Difference]: Without dead ends: 9271 [2022-07-19 12:05:11,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:11,997 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 114 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:11,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 150 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-19 12:05:12,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9271 states. [2022-07-19 12:05:12,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9271 to 9086. [2022-07-19 12:05:12,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9086 states, 9085 states have (on average 1.1512383048981838) internal successors, (10459), 9085 states have internal predecessors, (10459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:12,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9086 states to 9086 states and 10459 transitions. [2022-07-19 12:05:12,155 INFO L78 Accepts]: Start accepts. Automaton has 9086 states and 10459 transitions. Word has length 259 [2022-07-19 12:05:12,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:12,156 INFO L495 AbstractCegarLoop]: Abstraction has 9086 states and 10459 transitions. [2022-07-19 12:05:12,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:12,157 INFO L276 IsEmpty]: Start isEmpty. Operand 9086 states and 10459 transitions. [2022-07-19 12:05:12,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-07-19 12:05:12,163 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:12,179 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:12,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-19 12:05:12,180 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:12,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:12,181 INFO L85 PathProgramCache]: Analyzing trace with hash 585798969, now seen corresponding path program 1 times [2022-07-19 12:05:12,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:12,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791488856] [2022-07-19 12:05:12,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:12,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-19 12:05:12,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:12,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791488856] [2022-07-19 12:05:12,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791488856] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:12,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:12,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:05:12,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378160967] [2022-07-19 12:05:12,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:12,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:05:12,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:12,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:05:12,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:12,376 INFO L87 Difference]: Start difference. First operand 9086 states and 10459 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:13,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:13,331 INFO L93 Difference]: Finished difference Result 18358 states and 21126 transitions. [2022-07-19 12:05:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:05:13,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 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 289 [2022-07-19 12:05:13,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:13,351 INFO L225 Difference]: With dead ends: 18358 [2022-07-19 12:05:13,351 INFO L226 Difference]: Without dead ends: 9458 [2022-07-19 12:05:13,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:13,363 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 145 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:13,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 374 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 12:05:13,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9458 states. [2022-07-19 12:05:13,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9458 to 9453. [2022-07-19 12:05:13,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9453 states, 9452 states have (on average 1.1241007194244603) internal successors, (10625), 9452 states have internal predecessors, (10625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:13,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9453 states to 9453 states and 10625 transitions. [2022-07-19 12:05:13,500 INFO L78 Accepts]: Start accepts. Automaton has 9453 states and 10625 transitions. Word has length 289 [2022-07-19 12:05:13,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:13,500 INFO L495 AbstractCegarLoop]: Abstraction has 9453 states and 10625 transitions. [2022-07-19 12:05:13,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:13,501 INFO L276 IsEmpty]: Start isEmpty. Operand 9453 states and 10625 transitions. [2022-07-19 12:05:13,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-07-19 12:05:13,511 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:13,511 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-19 12:05:13,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-19 12:05:13,512 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:13,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:13,512 INFO L85 PathProgramCache]: Analyzing trace with hash 844810203, now seen corresponding path program 1 times [2022-07-19 12:05:13,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:13,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181486742] [2022-07-19 12:05:13,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:13,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:13,695 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-19 12:05:13,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:13,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181486742] [2022-07-19 12:05:13,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181486742] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:13,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:13,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:05:13,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777374298] [2022-07-19 12:05:13,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:13,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:05:13,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:13,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:05:13,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:13,698 INFO L87 Difference]: Start difference. First operand 9453 states and 10625 transitions. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:14,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:14,609 INFO L93 Difference]: Finished difference Result 21307 states and 24061 transitions. [2022-07-19 12:05:14,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:05:14,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 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 319 [2022-07-19 12:05:14,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:14,634 INFO L225 Difference]: With dead ends: 21307 [2022-07-19 12:05:14,634 INFO L226 Difference]: Without dead ends: 12224 [2022-07-19 12:05:14,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:14,646 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 141 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:14,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 124 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 12:05:14,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12224 states. [2022-07-19 12:05:14,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12224 to 12222. [2022-07-19 12:05:14,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12222 states, 12221 states have (on average 1.116111611161116) internal successors, (13640), 12221 states have internal predecessors, (13640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:14,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12222 states to 12222 states and 13640 transitions. [2022-07-19 12:05:14,815 INFO L78 Accepts]: Start accepts. Automaton has 12222 states and 13640 transitions. Word has length 319 [2022-07-19 12:05:14,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:14,816 INFO L495 AbstractCegarLoop]: Abstraction has 12222 states and 13640 transitions. [2022-07-19 12:05:14,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:14,817 INFO L276 IsEmpty]: Start isEmpty. Operand 12222 states and 13640 transitions. [2022-07-19 12:05:14,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-07-19 12:05:14,829 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:14,829 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:14,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-19 12:05:14,830 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:14,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:14,830 INFO L85 PathProgramCache]: Analyzing trace with hash -235094284, now seen corresponding path program 1 times [2022-07-19 12:05:14,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:14,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942311568] [2022-07-19 12:05:14,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:14,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:15,101 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 242 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:05:15,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:15,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942311568] [2022-07-19 12:05:15,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942311568] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:05:15,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190962115] [2022-07-19 12:05:15,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:15,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:05:15,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:05:15,105 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:05:15,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 12:05:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:15,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 12:05:15,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:05:15,738 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-07-19 12:05:15,751 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:05:15,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190962115] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:15,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:05:15,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-07-19 12:05:15,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111364445] [2022-07-19 12:05:15,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:15,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:05:15,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:15,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:05:15,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:05:15,754 INFO L87 Difference]: Start difference. First operand 12222 states and 13640 transitions. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:16,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:16,638 INFO L93 Difference]: Finished difference Result 25383 states and 28427 transitions. [2022-07-19 12:05:16,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:05:16,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 329 [2022-07-19 12:05:16,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:16,673 INFO L225 Difference]: With dead ends: 25383 [2022-07-19 12:05:16,673 INFO L226 Difference]: Without dead ends: 13531 [2022-07-19 12:05:16,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:05:16,691 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 137 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:16,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 342 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 12:05:16,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13531 states. [2022-07-19 12:05:17,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13531 to 13522. [2022-07-19 12:05:17,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13522 states, 13521 states have (on average 1.1178167295318393) internal successors, (15114), 13521 states have internal predecessors, (15114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:17,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13522 states to 13522 states and 15114 transitions. [2022-07-19 12:05:17,078 INFO L78 Accepts]: Start accepts. Automaton has 13522 states and 15114 transitions. Word has length 329 [2022-07-19 12:05:17,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:17,079 INFO L495 AbstractCegarLoop]: Abstraction has 13522 states and 15114 transitions. [2022-07-19 12:05:17,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:17,079 INFO L276 IsEmpty]: Start isEmpty. Operand 13522 states and 15114 transitions. [2022-07-19 12:05:17,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-19 12:05:17,106 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:17,107 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:17,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 12:05:17,327 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,SelfDestructingSolverStorable12 [2022-07-19 12:05:17,328 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:17,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:17,329 INFO L85 PathProgramCache]: Analyzing trace with hash -2086914279, now seen corresponding path program 1 times [2022-07-19 12:05:17,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:17,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668050480] [2022-07-19 12:05:17,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:17,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:17,542 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-07-19 12:05:17,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:17,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668050480] [2022-07-19 12:05:17,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668050480] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:17,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:17,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:05:17,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595652923] [2022-07-19 12:05:17,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:17,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:05:17,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:17,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:05:17,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:17,546 INFO L87 Difference]: Start difference. First operand 13522 states and 15114 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:18,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:18,085 INFO L93 Difference]: Finished difference Result 26663 states and 29835 transitions. [2022-07-19 12:05:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:05:18,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 338 [2022-07-19 12:05:18,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:18,154 INFO L225 Difference]: With dead ends: 26663 [2022-07-19 12:05:18,155 INFO L226 Difference]: Without dead ends: 13511 [2022-07-19 12:05:18,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:18,183 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 188 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:18,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 39 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 12:05:18,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13511 states. [2022-07-19 12:05:18,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13511 to 13506. [2022-07-19 12:05:18,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13506 states, 13505 states have (on average 1.117067752684191) internal successors, (15086), 13505 states have internal predecessors, (15086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13506 states to 13506 states and 15086 transitions. [2022-07-19 12:05:18,494 INFO L78 Accepts]: Start accepts. Automaton has 13506 states and 15086 transitions. Word has length 338 [2022-07-19 12:05:18,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:18,494 INFO L495 AbstractCegarLoop]: Abstraction has 13506 states and 15086 transitions. [2022-07-19 12:05:18,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:18,495 INFO L276 IsEmpty]: Start isEmpty. Operand 13506 states and 15086 transitions. [2022-07-19 12:05:18,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2022-07-19 12:05:18,521 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:18,521 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:18,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-19 12:05:18,522 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:18,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:18,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1537666383, now seen corresponding path program 1 times [2022-07-19 12:05:18,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:18,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526352880] [2022-07-19 12:05:18,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:18,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:18,834 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-19 12:05:18,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:18,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526352880] [2022-07-19 12:05:18,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526352880] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:18,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:18,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:05:18,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154688874] [2022-07-19 12:05:18,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:18,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:05:18,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:18,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:05:18,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:05:18,839 INFO L87 Difference]: Start difference. First operand 13506 states and 15086 transitions. Second operand has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:20,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:20,194 INFO L93 Difference]: Finished difference Result 28862 states and 32245 transitions. [2022-07-19 12:05:20,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:05:20,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 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 350 [2022-07-19 12:05:20,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:20,280 INFO L225 Difference]: With dead ends: 28862 [2022-07-19 12:05:20,281 INFO L226 Difference]: Without dead ends: 15726 [2022-07-19 12:05:20,307 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 [2022-07-19 12:05:20,308 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 216 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:20,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 138 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 12:05:20,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15726 states. [2022-07-19 12:05:20,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15726 to 15718. [2022-07-19 12:05:20,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15718 states, 15717 states have (on average 1.1105172742889864) internal successors, (17454), 15717 states have internal predecessors, (17454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:20,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15718 states to 15718 states and 17454 transitions. [2022-07-19 12:05:20,711 INFO L78 Accepts]: Start accepts. Automaton has 15718 states and 17454 transitions. Word has length 350 [2022-07-19 12:05:20,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:20,712 INFO L495 AbstractCegarLoop]: Abstraction has 15718 states and 17454 transitions. [2022-07-19 12:05:20,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:20,712 INFO L276 IsEmpty]: Start isEmpty. Operand 15718 states and 17454 transitions. [2022-07-19 12:05:20,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-07-19 12:05:20,735 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:20,736 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:20,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-19 12:05:20,736 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:20,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:20,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1164252215, now seen corresponding path program 1 times [2022-07-19 12:05:20,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:20,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706219534] [2022-07-19 12:05:20,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:20,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:20,954 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-07-19 12:05:20,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:20,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706219534] [2022-07-19 12:05:20,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706219534] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:20,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:20,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 12:05:20,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641269926] [2022-07-19 12:05:20,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:20,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:05:20,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:20,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:05:20,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:05:20,957 INFO L87 Difference]: Start difference. First operand 15718 states and 17454 transitions. Second operand has 4 states, 4 states have (on average 63.25) internal successors, (253), 4 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:22,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:22,487 INFO L93 Difference]: Finished difference Result 32359 states and 35959 transitions. [2022-07-19 12:05:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:05:22,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.25) internal successors, (253), 4 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 363 [2022-07-19 12:05:22,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:22,513 INFO L225 Difference]: With dead ends: 32359 [2022-07-19 12:05:22,513 INFO L226 Difference]: Without dead ends: 17011 [2022-07-19 12:05:22,519 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 [2022-07-19 12:05:22,519 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 308 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 1266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:22,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 136 Invalid, 1266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-19 12:05:22,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17011 states. [2022-07-19 12:05:22,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17011 to 16270. [2022-07-19 12:05:22,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16270 states, 16269 states have (on average 1.108980269223677) internal successors, (18042), 16269 states have internal predecessors, (18042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:22,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16270 states to 16270 states and 18042 transitions. [2022-07-19 12:05:22,724 INFO L78 Accepts]: Start accepts. Automaton has 16270 states and 18042 transitions. Word has length 363 [2022-07-19 12:05:22,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:22,725 INFO L495 AbstractCegarLoop]: Abstraction has 16270 states and 18042 transitions. [2022-07-19 12:05:22,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.25) internal successors, (253), 4 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:22,725 INFO L276 IsEmpty]: Start isEmpty. Operand 16270 states and 18042 transitions. [2022-07-19 12:05:22,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-07-19 12:05:22,738 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:22,738 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-19 12:05:22,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-19 12:05:22,739 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:22,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:22,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1462969262, now seen corresponding path program 1 times [2022-07-19 12:05:22,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:22,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905886455] [2022-07-19 12:05:22,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:22,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:22,974 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-07-19 12:05:22,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:22,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905886455] [2022-07-19 12:05:22,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905886455] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:22,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:22,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:05:22,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857272893] [2022-07-19 12:05:22,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:22,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:05:22,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:22,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:05:22,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:05:22,977 INFO L87 Difference]: Start difference. First operand 16270 states and 18042 transitions. Second operand has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:24,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:24,740 INFO L93 Difference]: Finished difference Result 43057 states and 47697 transitions. [2022-07-19 12:05:24,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:05:24,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 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 377 [2022-07-19 12:05:24,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:24,795 INFO L225 Difference]: With dead ends: 43057 [2022-07-19 12:05:24,796 INFO L226 Difference]: Without dead ends: 26233 [2022-07-19 12:05:24,816 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 [2022-07-19 12:05:24,831 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 225 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:24,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 69 Invalid, 1273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 12:05:24,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26233 states. [2022-07-19 12:05:25,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26233 to 24940. [2022-07-19 12:05:25,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24940 states, 24939 states have (on average 1.1017282168491118) internal successors, (27476), 24939 states have internal predecessors, (27476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:25,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24940 states to 24940 states and 27476 transitions. [2022-07-19 12:05:25,684 INFO L78 Accepts]: Start accepts. Automaton has 24940 states and 27476 transitions. Word has length 377 [2022-07-19 12:05:25,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:25,685 INFO L495 AbstractCegarLoop]: Abstraction has 24940 states and 27476 transitions. [2022-07-19 12:05:25,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:25,685 INFO L276 IsEmpty]: Start isEmpty. Operand 24940 states and 27476 transitions. [2022-07-19 12:05:25,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-07-19 12:05:25,700 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:25,704 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:25,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-19 12:05:25,704 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:25,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:25,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1797707710, now seen corresponding path program 1 times [2022-07-19 12:05:25,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:25,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976833779] [2022-07-19 12:05:25,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:25,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:25,867 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-07-19 12:05:25,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:25,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976833779] [2022-07-19 12:05:25,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976833779] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:25,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:25,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:05:25,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529474222] [2022-07-19 12:05:25,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:25,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:05:25,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:25,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:05:25,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:25,870 INFO L87 Difference]: Start difference. First operand 24940 states and 27476 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:26,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:26,647 INFO L93 Difference]: Finished difference Result 28806 states and 31708 transitions. [2022-07-19 12:05:26,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:05:26,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 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 408 [2022-07-19 12:05:26,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:26,689 INFO L225 Difference]: With dead ends: 28806 [2022-07-19 12:05:26,689 INFO L226 Difference]: Without dead ends: 28804 [2022-07-19 12:05:26,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:26,710 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 166 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:26,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 132 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 12:05:26,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28804 states. [2022-07-19 12:05:27,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28804 to 25308. [2022-07-19 12:05:27,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25308 states, 25307 states have (on average 1.1021851661595605) internal successors, (27893), 25307 states have internal predecessors, (27893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:27,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25308 states to 25308 states and 27893 transitions. [2022-07-19 12:05:27,215 INFO L78 Accepts]: Start accepts. Automaton has 25308 states and 27893 transitions. Word has length 408 [2022-07-19 12:05:27,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:27,215 INFO L495 AbstractCegarLoop]: Abstraction has 25308 states and 27893 transitions. [2022-07-19 12:05:27,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:27,215 INFO L276 IsEmpty]: Start isEmpty. Operand 25308 states and 27893 transitions. [2022-07-19 12:05:27,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2022-07-19 12:05:27,234 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:27,235 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:27,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-19 12:05:27,236 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:27,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:27,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1512001580, now seen corresponding path program 1 times [2022-07-19 12:05:27,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:27,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14320998] [2022-07-19 12:05:27,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:27,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:27,493 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 458 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-19 12:05:27,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:27,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14320998] [2022-07-19 12:05:27,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14320998] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:27,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:27,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:05:27,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253404138] [2022-07-19 12:05:27,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:27,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:05:27,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:27,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:05:27,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:27,497 INFO L87 Difference]: Start difference. First operand 25308 states and 27893 transitions. Second operand has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:28,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:28,545 INFO L93 Difference]: Finished difference Result 54667 states and 60218 transitions. [2022-07-19 12:05:28,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:05:28,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 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 419 [2022-07-19 12:05:28,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:28,591 INFO L225 Difference]: With dead ends: 54667 [2022-07-19 12:05:28,592 INFO L226 Difference]: Without dead ends: 29913 [2022-07-19 12:05:28,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:28,614 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 111 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:28,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 68 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:05:28,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29913 states. [2022-07-19 12:05:29,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29913 to 29724. [2022-07-19 12:05:29,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29724 states, 29723 states have (on average 1.0919489957272146) internal successors, (32456), 29723 states have internal predecessors, (32456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:29,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29724 states to 29724 states and 32456 transitions. [2022-07-19 12:05:29,210 INFO L78 Accepts]: Start accepts. Automaton has 29724 states and 32456 transitions. Word has length 419 [2022-07-19 12:05:29,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:29,210 INFO L495 AbstractCegarLoop]: Abstraction has 29724 states and 32456 transitions. [2022-07-19 12:05:29,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:29,211 INFO L276 IsEmpty]: Start isEmpty. Operand 29724 states and 32456 transitions. [2022-07-19 12:05:29,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2022-07-19 12:05:29,226 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:29,227 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2022-07-19 12:05:29,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-19 12:05:29,227 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:29,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:29,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1594395410, now seen corresponding path program 1 times [2022-07-19 12:05:29,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:29,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196298989] [2022-07-19 12:05:29,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:29,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:29,679 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-19 12:05:29,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:29,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196298989] [2022-07-19 12:05:29,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196298989] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:29,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:29,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 12:05:29,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415964384] [2022-07-19 12:05:29,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:29,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:05:29,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:29,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:05:29,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:05:29,682 INFO L87 Difference]: Start difference. First operand 29724 states and 32456 transitions. Second operand has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:31,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:31,431 INFO L93 Difference]: Finished difference Result 63687 states and 69564 transitions. [2022-07-19 12:05:31,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:05:31,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 0 states have call successors, (0), 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 427 [2022-07-19 12:05:31,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:31,472 INFO L225 Difference]: With dead ends: 63687 [2022-07-19 12:05:31,472 INFO L226 Difference]: Without dead ends: 34701 [2022-07-19 12:05:31,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:05:31,494 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 266 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:31,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 85 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 12:05:31,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34701 states. [2022-07-19 12:05:31,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34701 to 30831. [2022-07-19 12:05:31,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30831 states, 30830 states have (on average 1.0880960103795005) internal successors, (33546), 30830 states have internal predecessors, (33546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:31,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30831 states to 30831 states and 33546 transitions. [2022-07-19 12:05:31,921 INFO L78 Accepts]: Start accepts. Automaton has 30831 states and 33546 transitions. Word has length 427 [2022-07-19 12:05:31,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:31,921 INFO L495 AbstractCegarLoop]: Abstraction has 30831 states and 33546 transitions. [2022-07-19 12:05:31,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:31,922 INFO L276 IsEmpty]: Start isEmpty. Operand 30831 states and 33546 transitions. [2022-07-19 12:05:31,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-07-19 12:05:31,932 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:31,932 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:31,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-19 12:05:31,933 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:31,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:31,933 INFO L85 PathProgramCache]: Analyzing trace with hash 974136964, now seen corresponding path program 1 times [2022-07-19 12:05:31,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:31,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940913348] [2022-07-19 12:05:31,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:31,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:32,113 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 249 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:05:32,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:32,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940913348] [2022-07-19 12:05:32,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940913348] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:05:32,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395517096] [2022-07-19 12:05:32,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:32,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:05:32,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:05:32,116 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:05:32,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 12:05:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:32,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-19 12:05:32,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:05:33,487 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 230 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:05:33,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 12:05:35,104 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 303 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:05:35,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395517096] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 12:05:35,105 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 12:05:35,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2022-07-19 12:05:35,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10223926] [2022-07-19 12:05:35,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 12:05:35,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 12:05:35,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:35,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 12:05:35,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-19 12:05:35,110 INFO L87 Difference]: Start difference. First operand 30831 states and 33546 transitions. Second operand has 12 states, 12 states have (on average 102.83333333333333) internal successors, (1234), 11 states have internal predecessors, (1234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:42,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:42,494 INFO L93 Difference]: Finished difference Result 76957 states and 83699 transitions. [2022-07-19 12:05:42,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-07-19 12:05:42,495 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 102.83333333333333) internal successors, (1234), 11 states have internal predecessors, (1234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 430 [2022-07-19 12:05:42,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:42,552 INFO L225 Difference]: With dead ends: 76957 [2022-07-19 12:05:42,552 INFO L226 Difference]: Without dead ends: 46312 [2022-07-19 12:05:42,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 881 GetRequests, 853 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=252, Invalid=618, Unknown=0, NotChecked=0, Total=870 [2022-07-19 12:05:42,581 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 3001 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 6428 mSolverCounterSat, 1721 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3001 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 8149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1721 IncrementalHoareTripleChecker+Valid, 6428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:42,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3001 Valid, 240 Invalid, 8149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1721 Valid, 6428 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-07-19 12:05:42,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46312 states. [2022-07-19 12:05:43,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46312 to 29359. [2022-07-19 12:05:43,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29359 states, 29358 states have (on average 1.077287281149942) internal successors, (31627), 29358 states have internal predecessors, (31627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:43,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29359 states to 29359 states and 31627 transitions. [2022-07-19 12:05:43,241 INFO L78 Accepts]: Start accepts. Automaton has 29359 states and 31627 transitions. Word has length 430 [2022-07-19 12:05:43,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:43,242 INFO L495 AbstractCegarLoop]: Abstraction has 29359 states and 31627 transitions. [2022-07-19 12:05:43,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 102.83333333333333) internal successors, (1234), 11 states have internal predecessors, (1234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:43,242 INFO L276 IsEmpty]: Start isEmpty. Operand 29359 states and 31627 transitions. [2022-07-19 12:05:43,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2022-07-19 12:05:43,271 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:43,272 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:43,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 12:05:43,489 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,SelfDestructingSolverStorable20 [2022-07-19 12:05:43,490 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:43,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:43,491 INFO L85 PathProgramCache]: Analyzing trace with hash -742651351, now seen corresponding path program 1 times [2022-07-19 12:05:43,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:43,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641406210] [2022-07-19 12:05:43,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:43,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:43,938 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2022-07-19 12:05:43,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:43,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641406210] [2022-07-19 12:05:43,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641406210] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:43,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:43,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:05:43,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600451885] [2022-07-19 12:05:43,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:43,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:05:43,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:43,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:05:43,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:43,957 INFO L87 Difference]: Start difference. First operand 29359 states and 31627 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:44,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:44,934 INFO L93 Difference]: Finished difference Result 34145 states and 36690 transitions. [2022-07-19 12:05:44,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:05:44,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 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 444 [2022-07-19 12:05:44,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:45,019 INFO L225 Difference]: With dead ends: 34145 [2022-07-19 12:05:45,033 INFO L226 Difference]: Without dead ends: 34143 [2022-07-19 12:05:45,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:45,061 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 168 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:45,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 131 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:05:45,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34143 states. [2022-07-19 12:05:45,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34143 to 28991. [2022-07-19 12:05:45,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28991 states, 28990 states have (on average 1.0777854432562952) internal successors, (31245), 28990 states have internal predecessors, (31245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:45,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28991 states to 28991 states and 31245 transitions. [2022-07-19 12:05:45,777 INFO L78 Accepts]: Start accepts. Automaton has 28991 states and 31245 transitions. Word has length 444 [2022-07-19 12:05:45,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:45,778 INFO L495 AbstractCegarLoop]: Abstraction has 28991 states and 31245 transitions. [2022-07-19 12:05:45,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:45,779 INFO L276 IsEmpty]: Start isEmpty. Operand 28991 states and 31245 transitions. [2022-07-19 12:05:45,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2022-07-19 12:05:45,802 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:45,802 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:45,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-19 12:05:45,803 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:45,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:45,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1644491105, now seen corresponding path program 1 times [2022-07-19 12:05:45,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:45,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441398922] [2022-07-19 12:05:45,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:45,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:46,227 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 464 proven. 222 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-19 12:05:46,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:46,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441398922] [2022-07-19 12:05:46,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441398922] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:05:46,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120859570] [2022-07-19 12:05:46,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:46,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:05:46,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:05:46,243 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) [2022-07-19 12:05:46,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-19 12:05:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:46,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-19 12:05:46,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:05:47,580 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 464 proven. 222 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-19 12:05:47,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 12:05:49,334 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 464 proven. 222 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-19 12:05:49,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120859570] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 12:05:49,336 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 12:05:49,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-07-19 12:05:49,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458214268] [2022-07-19 12:05:49,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 12:05:49,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 12:05:49,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:49,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 12:05:49,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-07-19 12:05:49,339 INFO L87 Difference]: Start difference. First operand 28991 states and 31245 transitions. Second operand has 11 states, 11 states have (on average 64.27272727272727) internal successors, (707), 10 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:53,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:53,433 INFO L93 Difference]: Finished difference Result 61015 states and 65618 transitions. [2022-07-19 12:05:53,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-19 12:05:53,434 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 64.27272727272727) internal successors, (707), 10 states have internal predecessors, (707), 0 states have call successors, (0), 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 505 [2022-07-19 12:05:53,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:53,480 INFO L225 Difference]: With dead ends: 61015 [2022-07-19 12:05:53,480 INFO L226 Difference]: Without dead ends: 32394 [2022-07-19 12:05:53,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1032 GetRequests, 1002 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=536, Unknown=0, NotChecked=0, Total=812 [2022-07-19 12:05:53,501 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 3010 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 3946 mSolverCounterSat, 1685 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3010 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 5631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1685 IncrementalHoareTripleChecker+Valid, 3946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:53,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3010 Valid, 105 Invalid, 5631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1685 Valid, 3946 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-19 12:05:53,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32394 states. [2022-07-19 12:05:53,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32394 to 18833. [2022-07-19 12:05:53,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18833 states, 18832 states have (on average 1.0752973661852168) internal successors, (20250), 18832 states have internal predecessors, (20250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:53,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18833 states to 18833 states and 20250 transitions. [2022-07-19 12:05:53,807 INFO L78 Accepts]: Start accepts. Automaton has 18833 states and 20250 transitions. Word has length 505 [2022-07-19 12:05:53,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:53,807 INFO L495 AbstractCegarLoop]: Abstraction has 18833 states and 20250 transitions. [2022-07-19 12:05:53,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 64.27272727272727) internal successors, (707), 10 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:53,808 INFO L276 IsEmpty]: Start isEmpty. Operand 18833 states and 20250 transitions. [2022-07-19 12:05:53,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2022-07-19 12:05:53,817 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:53,818 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-19 12:05:53,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-19 12:05:54,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:05:54,042 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:54,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:54,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1592139152, now seen corresponding path program 1 times [2022-07-19 12:05:54,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:54,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629886418] [2022-07-19 12:05:54,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:54,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:54,263 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 410 proven. 206 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-07-19 12:05:54,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:54,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629886418] [2022-07-19 12:05:54,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629886418] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:05:54,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118761959] [2022-07-19 12:05:54,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:54,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:05:54,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:05:54,266 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) [2022-07-19 12:05:54,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-19 12:05:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:54,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-19 12:05:54,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:05:56,885 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 356 proven. 260 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-07-19 12:05:56,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 12:05:58,333 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 547 proven. 69 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-07-19 12:05:58,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118761959] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 12:05:58,334 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 12:05:58,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-07-19 12:05:58,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029944097] [2022-07-19 12:05:58,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 12:05:58,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 12:05:58,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:58,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 12:05:58,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2022-07-19 12:05:58,336 INFO L87 Difference]: Start difference. First operand 18833 states and 20250 transitions. Second operand has 10 states, 10 states have (on average 85.3) internal successors, (853), 10 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:06:01,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:06:01,754 INFO L93 Difference]: Finished difference Result 47624 states and 51281 transitions. [2022-07-19 12:06:01,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 12:06:01,755 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 85.3) internal successors, (853), 10 states have internal predecessors, (853), 0 states have call successors, (0), 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 541 [2022-07-19 12:06:01,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:06:01,756 INFO L225 Difference]: With dead ends: 47624 [2022-07-19 12:06:01,756 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 12:06:01,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1085 GetRequests, 1076 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2022-07-19 12:06:01,773 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 1037 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 4425 mSolverCounterSat, 547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1037 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 4972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 547 IncrementalHoareTripleChecker+Valid, 4425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-19 12:06:01,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1037 Valid, 167 Invalid, 4972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [547 Valid, 4425 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-19 12:06:01,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 12:06:01,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 12:06:01,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:06:01,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 12:06:01,774 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 541 [2022-07-19 12:06:01,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:06:01,775 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 12:06:01,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 85.3) internal successors, (853), 10 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:06:01,775 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 12:06:01,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 12:06:01,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 12:06:01,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-19 12:06:01,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:06:01,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 12:06:10,528 WARN L233 SmtUtils]: Spent 8.54s on a formula simplification. DAG size of input: 935 DAG size of output: 888 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-19 12:06:18,511 WARN L233 SmtUtils]: Spent 7.98s on a formula simplification. DAG size of input: 932 DAG size of output: 888 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-19 12:06:24,278 WARN L233 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 884 DAG size of output: 173 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-07-19 12:06:29,945 WARN L233 SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 884 DAG size of output: 173 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-07-19 12:06:29,949 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-07-19 12:06:29,949 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,949 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-07-19 12:06:29,949 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,949 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,949 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,950 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,950 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,950 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,950 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-07-19 12:06:29,950 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-07-19 12:06:29,950 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-07-19 12:06:29,950 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,950 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,950 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,950 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,951 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,951 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,951 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,951 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,951 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,951 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,951 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-07-19 12:06:29,952 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-07-19 12:06:29,952 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-07-19 12:06:29,952 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,952 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-07-19 12:06:29,952 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-07-19 12:06:29,952 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,952 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,952 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,953 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,953 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,953 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,953 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-07-19 12:06:29,953 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-07-19 12:06:29,953 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-07-19 12:06:29,953 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,953 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,954 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,954 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse32 (div (+ (* ~a29~0 3) (- 554771)) 5))) (let ((.cse18 (<= ~a25~0 10)) (.cse4 (= ~a4~0 1)) (.cse6 (= ~a8~0 15)) (.cse0 (= ~a25~0 12)) (.cse25 (= ~a25~0 13)) (.cse31 (div (+ 25350 .cse32) 5)) (.cse23 (< 0 (+ ~a23~0 43))) (.cse2 (<= 141 ~a29~0))) (let ((.cse5 (<= 312 ~a23~0)) (.cse20 (< (+ ~a29~0 21) 0)) (.cse19 (<= ~a29~0 220)) (.cse8 (or .cse23 .cse2 (not (= |ULTIMATE.start_calculate_output_~input#1| 4)))) (.cse9 (or (< 0 (+ 110739 .cse31)) (not (= (mod .cse32 5) 0)))) (.cse10 (< 0 (+ .cse31 110740))) (.cse11 (= ~a4~0 0)) (.cse26 (< ~a29~0 599999)) (.cse28 (<= ~a29~0 277)) (.cse27 (not .cse25)) (.cse30 (not .cse0)) (.cse29 (or (and .cse18 .cse4 (<= 115637 ~a29~0) .cse6) (and .cse4 .cse6 (<= 115953 ~a29~0)))) (.cse15 (<= 260 ~a29~0)) (.cse14 (<= 173 ~a23~0)) (.cse12 (<= ~a23~0 312)) (.cse17 (<= 141 ~a23~0)) (.cse16 (<= ~a29~0 275)) (.cse22 (<= 245 ~a29~0)) (.cse21 (<= (+ 119992 ~a23~0) 0)) (.cse7 (= ~a25~0 10)) (.cse13 (= ~a25~0 11)) (.cse1 (<= ~a29~0 274)) (.cse3 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse9 .cse10 .cse11 .cse3 .cse12 .cse6) (and .cse9 .cse10 .cse11 .cse13 .cse3 .cse12 .cse6) (and .cse13 .cse14 .cse3 .cse4 (<= 0 (+ ~a29~0 554195)) .cse12 .cse6) (and .cse15 .cse16 .cse0 .cse11 .cse3 .cse6) (and .cse15 .cse13 .cse3 .cse4 .cse12 .cse6 .cse17) (and .cse9 .cse10 .cse11 .cse18 .cse3 .cse19 .cse12 .cse6) (and .cse9 .cse10 .cse11 .cse3 .cse12 .cse6 .cse7) (and .cse15 .cse11 .cse18 .cse3 .cse12 .cse6) (and .cse9 .cse10 (or (and .cse18 .cse14 .cse4 .cse12) (and .cse4 .cse7)) .cse3 .cse6) (and .cse0 .cse9 .cse10 .cse3 .cse4 .cse6 .cse20) (and .cse13 .cse21 .cse4 .cse6 .cse22) (and .cse9 .cse10 .cse11 .cse3 .cse19 .cse6 .cse7) (and .cse0 .cse9 .cse10 .cse11 (<= (+ ~a29~0 580291) 0) .cse23 .cse3 .cse6 (let ((.cse24 (mod ~a29~0 15))) (or (< 4 .cse24) (= .cse24 0)))) (and .cse0 .cse11 .cse1 .cse2 .cse3 .cse6) (and .cse25 .cse14 .cse26 .cse3 .cse4 .cse6) (and .cse25 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse3 .cse6 (or (and .cse0 .cse4 .cse12 .cse20) (and .cse18 .cse4 .cse12 .cse20 .cse17))) (and .cse18 .cse2 .cse3 .cse4 .cse6) (and (or .cse27 .cse28) (or (and .cse29 .cse21) (and .cse25 .cse19 .cse21 .cse4 .cse6 (<= 130 ~a29~0)) (and .cse15 .cse18 .cse21 .cse4 .cse6)) .cse30) (and .cse25 .cse3 .cse19 (<= 0 (+ 7792 ~a29~0)) .cse4 .cse6 .cse17) (and .cse8 .cse25 .cse9 .cse10 .cse11 .cse3 .cse12 .cse6) (and .cse27 .cse26 .cse30 .cse29 .cse3) (and .cse15 .cse0 .cse28 .cse14 .cse3 .cse4 .cse6) (and .cse27 (<= 300138 ~a29~0) .cse30 .cse3 (<= ~a29~0 600297) .cse4 .cse6) (and .cse3 (or (and .cse27 .cse30 .cse29 .cse12) (and .cse15 .cse13 .cse4 .cse12 .cse6 (<= 103953 ~a29~0)))) (and .cse15 .cse13 .cse14 .cse3 .cse4 .cse6) (and .cse0 .cse3 .cse4 .cse12 .cse6 .cse17) (and .cse16 .cse13 .cse3 .cse4 .cse6 .cse22) (and .cse21 .cse4 .cse6 .cse7) (and .cse13 .cse1 .cse2 .cse3 .cse4 .cse6))))) [2022-07-19 12:06:29,954 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,954 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-07-19 12:06:29,954 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-07-19 12:06:29,955 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,955 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,955 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,955 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,955 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,955 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,955 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-07-19 12:06:29,955 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-07-19 12:06:29,956 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-07-19 12:06:29,956 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-07-19 12:06:29,956 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,956 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,956 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,956 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,956 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,957 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,957 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,957 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-07-19 12:06:29,957 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-07-19 12:06:29,957 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-07-19 12:06:29,957 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,957 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,957 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,958 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,958 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,958 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,958 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,958 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,958 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,958 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-07-19 12:06:29,958 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-07-19 12:06:29,959 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-07-19 12:06:29,959 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,959 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse32 (div (+ (* ~a29~0 3) (- 554771)) 5))) (let ((.cse18 (<= ~a25~0 10)) (.cse4 (= ~a4~0 1)) (.cse6 (= ~a8~0 15)) (.cse0 (= ~a25~0 12)) (.cse25 (= ~a25~0 13)) (.cse31 (div (+ 25350 .cse32) 5)) (.cse23 (< 0 (+ ~a23~0 43))) (.cse2 (<= 141 ~a29~0))) (let ((.cse5 (<= 312 ~a23~0)) (.cse20 (< (+ ~a29~0 21) 0)) (.cse19 (<= ~a29~0 220)) (.cse8 (or .cse23 .cse2 (not (= |ULTIMATE.start_calculate_output_~input#1| 4)))) (.cse9 (or (< 0 (+ 110739 .cse31)) (not (= (mod .cse32 5) 0)))) (.cse10 (< 0 (+ .cse31 110740))) (.cse11 (= ~a4~0 0)) (.cse26 (< ~a29~0 599999)) (.cse28 (<= ~a29~0 277)) (.cse27 (not .cse25)) (.cse30 (not .cse0)) (.cse29 (or (and .cse18 .cse4 (<= 115637 ~a29~0) .cse6) (and .cse4 .cse6 (<= 115953 ~a29~0)))) (.cse15 (<= 260 ~a29~0)) (.cse14 (<= 173 ~a23~0)) (.cse12 (<= ~a23~0 312)) (.cse17 (<= 141 ~a23~0)) (.cse16 (<= ~a29~0 275)) (.cse22 (<= 245 ~a29~0)) (.cse21 (<= (+ 119992 ~a23~0) 0)) (.cse7 (= ~a25~0 10)) (.cse13 (= ~a25~0 11)) (.cse1 (<= ~a29~0 274)) (.cse3 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse9 .cse10 .cse11 .cse3 .cse12 .cse6) (and .cse9 .cse10 .cse11 .cse13 .cse3 .cse12 .cse6) (and .cse13 .cse14 .cse3 .cse4 (<= 0 (+ ~a29~0 554195)) .cse12 .cse6) (and .cse15 .cse16 .cse0 .cse11 .cse3 .cse6) (and .cse15 .cse13 .cse3 .cse4 .cse12 .cse6 .cse17) (and .cse9 .cse10 .cse11 .cse18 .cse3 .cse19 .cse12 .cse6) (and .cse9 .cse10 .cse11 .cse3 .cse12 .cse6 .cse7) (and .cse15 .cse11 .cse18 .cse3 .cse12 .cse6) (and .cse9 .cse10 (or (and .cse18 .cse14 .cse4 .cse12) (and .cse4 .cse7)) .cse3 .cse6) (and .cse0 .cse9 .cse10 .cse3 .cse4 .cse6 .cse20) (and .cse13 .cse21 .cse4 .cse6 .cse22) (and .cse9 .cse10 .cse11 .cse3 .cse19 .cse6 .cse7) (and .cse0 .cse9 .cse10 .cse11 (<= (+ ~a29~0 580291) 0) .cse23 .cse3 .cse6 (let ((.cse24 (mod ~a29~0 15))) (or (< 4 .cse24) (= .cse24 0)))) (and .cse0 .cse11 .cse1 .cse2 .cse3 .cse6) (and .cse25 .cse14 .cse26 .cse3 .cse4 .cse6) (and .cse25 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse3 .cse6 (or (and .cse0 .cse4 .cse12 .cse20) (and .cse18 .cse4 .cse12 .cse20 .cse17))) (and .cse18 .cse2 .cse3 .cse4 .cse6) (and (or .cse27 .cse28) (or (and .cse29 .cse21) (and .cse25 .cse19 .cse21 .cse4 .cse6 (<= 130 ~a29~0)) (and .cse15 .cse18 .cse21 .cse4 .cse6)) .cse30) (and .cse25 .cse3 .cse19 (<= 0 (+ 7792 ~a29~0)) .cse4 .cse6 .cse17) (and .cse8 .cse25 .cse9 .cse10 .cse11 .cse3 .cse12 .cse6) (and .cse27 .cse26 .cse30 .cse29 .cse3) (and .cse15 .cse0 .cse28 .cse14 .cse3 .cse4 .cse6) (and .cse27 (<= 300138 ~a29~0) .cse30 .cse3 (<= ~a29~0 600297) .cse4 .cse6) (and .cse3 (or (and .cse27 .cse30 .cse29 .cse12) (and .cse15 .cse13 .cse4 .cse12 .cse6 (<= 103953 ~a29~0)))) (and .cse15 .cse13 .cse14 .cse3 .cse4 .cse6) (and .cse0 .cse3 .cse4 .cse12 .cse6 .cse17) (and .cse16 .cse13 .cse3 .cse4 .cse6 .cse22) (and .cse21 .cse4 .cse6 .cse7) (and .cse13 .cse1 .cse2 .cse3 .cse4 .cse6))))) [2022-07-19 12:06:29,959 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,959 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,959 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,960 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,960 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,960 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,960 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,960 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,960 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-07-19 12:06:29,960 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-07-19 12:06:29,960 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-07-19 12:06:29,961 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-07-19 12:06:29,961 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-07-19 12:06:29,961 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-07-19 12:06:29,961 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-07-19 12:06:29,961 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,961 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,961 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,961 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,962 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,962 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,962 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,962 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,962 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,962 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,962 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 12:06:29,962 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-07-19 12:06:29,963 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-07-19 12:06:29,963 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-07-19 12:06:29,963 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-07-19 12:06:29,963 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,963 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,963 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,963 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,964 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,964 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-07-19 12:06:29,964 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-07-19 12:06:29,964 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-07-19 12:06:29,964 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,964 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,964 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,964 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,965 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-07-19 12:06:29,965 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-07-19 12:06:29,965 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,965 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,965 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,965 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,965 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,965 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,966 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-07-19 12:06:29,966 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-07-19 12:06:29,966 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,966 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,966 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-07-19 12:06:29,966 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-07-19 12:06:29,966 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-07-19 12:06:29,966 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 12:06:29,966 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 184) no Hoare annotation was computed. [2022-07-19 12:06:29,966 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,967 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,967 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,967 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,967 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,967 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,967 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,967 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-07-19 12:06:29,967 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-07-19 12:06:29,967 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-07-19 12:06:29,967 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-07-19 12:06:29,967 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-07-19 12:06:29,967 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-07-19 12:06:29,967 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-07-19 12:06:29,967 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,967 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,967 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-07-19 12:06:29,967 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-07-19 12:06:29,967 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,968 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,968 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,968 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,968 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,968 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-07-19 12:06:29,968 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-07-19 12:06:29,968 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-07-19 12:06:29,968 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,968 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,968 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,968 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,968 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,968 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,968 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-07-19 12:06:29,968 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-07-19 12:06:29,968 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-07-19 12:06:29,968 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,968 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,968 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,969 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,969 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,969 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,969 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,969 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,969 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-07-19 12:06:29,969 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-07-19 12:06:29,969 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-07-19 12:06:29,969 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,969 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,969 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,969 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,969 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,969 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,969 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,969 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,969 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,969 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,969 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,970 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-07-19 12:06:29,970 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-07-19 12:06:29,970 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-19 12:06:29,970 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-07-19 12:06:29,970 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-07-19 12:06:29,970 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,970 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,970 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,970 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,970 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,970 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,970 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,970 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-07-19 12:06:29,970 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-07-19 12:06:29,970 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-07-19 12:06:29,970 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,970 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,970 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,970 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-07-19 12:06:29,971 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-07-19 12:06:29,971 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,971 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,971 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,971 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,971 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,971 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-07-19 12:06:29,971 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-07-19 12:06:29,971 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,971 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,971 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-07-19 12:06:29,971 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-07-19 12:06:29,972 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 12:06:29,972 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,972 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,972 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,972 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,972 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,972 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-07-19 12:06:29,972 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-07-19 12:06:29,972 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-07-19 12:06:29,972 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-07-19 12:06:29,972 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,972 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,972 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,972 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,972 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,972 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,972 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,973 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,973 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-07-19 12:06:29,973 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-07-19 12:06:29,973 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-07-19 12:06:29,973 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-07-19 12:06:29,973 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-07-19 12:06:29,973 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-07-19 12:06:29,973 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,973 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,974 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,974 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,974 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,974 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,974 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,974 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-07-19 12:06:29,974 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-07-19 12:06:29,975 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 12:06:29,975 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,975 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,975 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,975 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,975 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,975 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,975 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-07-19 12:06:29,975 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-07-19 12:06:29,975 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,976 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,976 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,976 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,976 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,976 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,976 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,976 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-07-19 12:06:29,976 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:06:29,976 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,976 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,977 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-07-19 12:06:29,977 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-07-19 12:06:29,977 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-07-19 12:06:29,977 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-07-19 12:06:29,980 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:06:29,981 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 12:06:30,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 12:06:30 BoogieIcfgContainer [2022-07-19 12:06:30,014 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 12:06:30,014 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 12:06:30,014 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 12:06:30,015 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 12:06:30,015 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 12:04:59" (3/4) ... [2022-07-19 12:06:30,018 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 12:06:30,037 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-19 12:06:30,039 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 12:06:30,040 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 12:06:30,041 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 12:06:30,152 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 12:06:30,152 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 12:06:30,153 INFO L158 Benchmark]: Toolchain (without parser) took 93755.30ms. Allocated memory was 115.3MB in the beginning and 4.4GB in the end (delta: 4.3GB). Free memory was 83.5MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-07-19 12:06:30,153 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 115.3MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 12:06:30,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 758.22ms. Allocated memory was 115.3MB in the beginning and 172.0MB in the end (delta: 56.6MB). Free memory was 83.5MB in the beginning and 141.1MB in the end (delta: -57.6MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2022-07-19 12:06:30,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 233.10ms. Allocated memory is still 172.0MB. Free memory was 141.0MB in the beginning and 125.1MB in the end (delta: 15.9MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2022-07-19 12:06:30,155 INFO L158 Benchmark]: Boogie Preprocessor took 156.00ms. Allocated memory is still 172.0MB. Free memory was 125.1MB in the beginning and 115.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 12:06:30,155 INFO L158 Benchmark]: RCFGBuilder took 1970.12ms. Allocated memory is still 172.0MB. Free memory was 115.7MB in the beginning and 112.1MB in the end (delta: 3.6MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2022-07-19 12:06:30,157 INFO L158 Benchmark]: TraceAbstraction took 90491.55ms. Allocated memory was 172.0MB in the beginning and 4.4GB in the end (delta: 4.3GB). Free memory was 111.1MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. [2022-07-19 12:06:30,157 INFO L158 Benchmark]: Witness Printer took 137.91ms. Allocated memory is still 4.4GB. Free memory was 3.1GB in the beginning and 3.1GB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-19 12:06:30,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 115.3MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 758.22ms. Allocated memory was 115.3MB in the beginning and 172.0MB in the end (delta: 56.6MB). Free memory was 83.5MB in the beginning and 141.1MB in the end (delta: -57.6MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 233.10ms. Allocated memory is still 172.0MB. Free memory was 141.0MB in the beginning and 125.1MB in the end (delta: 15.9MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 156.00ms. Allocated memory is still 172.0MB. Free memory was 125.1MB in the beginning and 115.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1970.12ms. Allocated memory is still 172.0MB. Free memory was 115.7MB in the beginning and 112.1MB in the end (delta: 3.6MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * TraceAbstraction took 90491.55ms. Allocated memory was 172.0MB in the beginning and 4.4GB in the end (delta: 4.3GB). Free memory was 111.1MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. * Witness Printer took 137.91ms. Allocated memory is still 4.4GB. Free memory was 3.1GB in the beginning and 3.1GB in the end (delta: 15.5MB). 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: 184]: 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: 90.4s, OverallIterations: 24, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 37.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 28.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10757 SdHoareTripleChecker+Valid, 31.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10757 mSDsluCounter, 4463 SdHoareTripleChecker+Invalid, 26.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 886 mSDsCounter, 6376 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28657 IncrementalHoareTripleChecker+Invalid, 35033 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6376 mSolverCounterUnsat, 3577 mSDtfsCounter, 28657 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3389 GetRequests, 3292 SyntacticMatches, 4 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30831occurred in iteration=20, InterpolantAutomatonStates: 126, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.7s AutomataMinimizationTime, 24 MinimizatonAttempts, 47029 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 341 NumberOfFragments, 2381 HoareAnnotationTreeSize, 3 FomulaSimplifications, 94442 FormulaSimplificationTreeSizeReduction, 16.5s HoareSimplificationTime, 3 FomulaSimplificationsInter, 120618 FormulaSimplificationTreeSizeReductionInter, 11.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 13.0s InterpolantComputationTime, 9308 NumberOfCodeBlocks, 9308 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 10753 ConstructedInterpolants, 0 QuantifiedInterpolants, 48588 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2447 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 31 InterpolantComputations, 21 PerfectInterpolantSequences, 10167/12043 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: ((((((((((((((((((((((((((((((((((((a25 == 12 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) || ((((a3 == 1 && a4 == 1) && 312 <= a23) && a8 == 15) && a25 == 10)) || (((((((((0 < a23 + 43 || 141 <= a29) || !(input == 4)) && a25 == 12) && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 312) && a8 == 15)) || ((((((a25 == 11 && 173 <= a23) && a3 == 1) && a4 == 1) && 0 <= a29 + 554195) && a23 <= 312) && a8 == 15)) || (((((260 <= a29 && a29 <= 275) && a25 == 12) && a4 == 0) && a3 == 1) && a8 == 15)) || ((((((260 <= a29 && a25 == 11) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 141 <= a23)) || ((((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || (((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a23 <= 312) && a8 == 15) && a25 == 10)) || (((((260 <= a29 && a4 == 0) && a25 <= 10) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && ((((a25 <= 10 && 173 <= a23) && a4 == 1) && a23 <= 312) || (a4 == 1 && a25 == 10))) && a3 == 1) && a8 == 15)) || ((((((a25 == 12 && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a3 == 1) && a4 == 1) && a8 == 15) && a29 + 21 < 0)) || ((((a25 == 11 && 119992 + a23 <= 0) && a4 == 1) && a8 == 15) && 245 <= a29)) || (((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a29 <= 220) && a8 == 15) && a25 == 10)) || ((((((((a25 == 12 && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a29 + 580291 <= 0) && 0 < a23 + 43) && a3 == 1) && a8 == 15) && (4 < a29 % 15 || a29 % 15 == 0))) || (((((a25 == 12 && a4 == 0) && a29 <= 274) && 141 <= a29) && a3 == 1) && a8 == 15)) || (((((a25 == 13 && 173 <= a23) && a29 < 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 13 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && a8 == 15)) || ((a3 == 1 && a8 == 15) && ((((a25 == 12 && a4 == 1) && a23 <= 312) && a29 + 21 < 0) || ((((a25 <= 10 && a4 == 1) && a23 <= 312) && a29 + 21 < 0) && 141 <= a23)))) || ((((a25 <= 10 && 141 <= a29) && a3 == 1) && a4 == 1) && a8 == 15)) || (((!(a25 == 13) || a29 <= 277) && (((((((a25 <= 10 && a4 == 1) && 115637 <= a29) && a8 == 15) || ((a4 == 1 && a8 == 15) && 115953 <= a29)) && 119992 + a23 <= 0) || (((((a25 == 13 && a29 <= 220) && 119992 + a23 <= 0) && a4 == 1) && a8 == 15) && 130 <= a29)) || ((((260 <= a29 && a25 <= 10) && 119992 + a23 <= 0) && a4 == 1) && a8 == 15))) && !(a25 == 12))) || ((((((a25 == 13 && a3 == 1) && a29 <= 220) && 0 <= 7792 + a29) && a4 == 1) && a8 == 15) && 141 <= a23)) || (((((((((0 < a23 + 43 || 141 <= a29) || !(input == 4)) && a25 == 13) && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a23 <= 312) && a8 == 15)) || ((((!(a25 == 13) && a29 < 599999) && !(a25 == 12)) && ((((a25 <= 10 && a4 == 1) && 115637 <= a29) && a8 == 15) || ((a4 == 1 && a8 == 15) && 115953 <= a29))) && a3 == 1)) || ((((((260 <= a29 && a25 == 12) && a29 <= 277) && 173 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((!(a25 == 13) && 300138 <= a29) && !(a25 == 12)) && a3 == 1) && a29 <= 600297) && a4 == 1) && a8 == 15)) || (a3 == 1 && ((((!(a25 == 13) && !(a25 == 12)) && ((((a25 <= 10 && a4 == 1) && 115637 <= a29) && a8 == 15) || ((a4 == 1 && a8 == 15) && 115953 <= a29))) && a23 <= 312) || (((((260 <= a29 && a25 == 11) && a4 == 1) && a23 <= 312) && a8 == 15) && 103953 <= a29)))) || (((((260 <= a29 && a25 == 11) && 173 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 12 && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 141 <= a23)) || (((((a29 <= 275 && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) && 245 <= a29)) || (((119992 + a23 <= 0 && a4 == 1) && a8 == 15) && a25 == 10)) || (((((a25 == 11 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((a25 == 12 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) || ((((a3 == 1 && a4 == 1) && 312 <= a23) && a8 == 15) && a25 == 10)) || (((((((((0 < a23 + 43 || 141 <= a29) || !(input == 4)) && a25 == 12) && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 312) && a8 == 15)) || ((((((a25 == 11 && 173 <= a23) && a3 == 1) && a4 == 1) && 0 <= a29 + 554195) && a23 <= 312) && a8 == 15)) || (((((260 <= a29 && a29 <= 275) && a25 == 12) && a4 == 0) && a3 == 1) && a8 == 15)) || ((((((260 <= a29 && a25 == 11) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 141 <= a23)) || ((((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || (((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a23 <= 312) && a8 == 15) && a25 == 10)) || (((((260 <= a29 && a4 == 0) && a25 <= 10) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && ((((a25 <= 10 && 173 <= a23) && a4 == 1) && a23 <= 312) || (a4 == 1 && a25 == 10))) && a3 == 1) && a8 == 15)) || ((((((a25 == 12 && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a3 == 1) && a4 == 1) && a8 == 15) && a29 + 21 < 0)) || ((((a25 == 11 && 119992 + a23 <= 0) && a4 == 1) && a8 == 15) && 245 <= a29)) || (((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a29 <= 220) && a8 == 15) && a25 == 10)) || ((((((((a25 == 12 && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a29 + 580291 <= 0) && 0 < a23 + 43) && a3 == 1) && a8 == 15) && (4 < a29 % 15 || a29 % 15 == 0))) || (((((a25 == 12 && a4 == 0) && a29 <= 274) && 141 <= a29) && a3 == 1) && a8 == 15)) || (((((a25 == 13 && 173 <= a23) && a29 < 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 13 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && a8 == 15)) || ((a3 == 1 && a8 == 15) && ((((a25 == 12 && a4 == 1) && a23 <= 312) && a29 + 21 < 0) || ((((a25 <= 10 && a4 == 1) && a23 <= 312) && a29 + 21 < 0) && 141 <= a23)))) || ((((a25 <= 10 && 141 <= a29) && a3 == 1) && a4 == 1) && a8 == 15)) || (((!(a25 == 13) || a29 <= 277) && (((((((a25 <= 10 && a4 == 1) && 115637 <= a29) && a8 == 15) || ((a4 == 1 && a8 == 15) && 115953 <= a29)) && 119992 + a23 <= 0) || (((((a25 == 13 && a29 <= 220) && 119992 + a23 <= 0) && a4 == 1) && a8 == 15) && 130 <= a29)) || ((((260 <= a29 && a25 <= 10) && 119992 + a23 <= 0) && a4 == 1) && a8 == 15))) && !(a25 == 12))) || ((((((a25 == 13 && a3 == 1) && a29 <= 220) && 0 <= 7792 + a29) && a4 == 1) && a8 == 15) && 141 <= a23)) || (((((((((0 < a23 + 43 || 141 <= a29) || !(input == 4)) && a25 == 13) && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a23 <= 312) && a8 == 15)) || ((((!(a25 == 13) && a29 < 599999) && !(a25 == 12)) && ((((a25 <= 10 && a4 == 1) && 115637 <= a29) && a8 == 15) || ((a4 == 1 && a8 == 15) && 115953 <= a29))) && a3 == 1)) || ((((((260 <= a29 && a25 == 12) && a29 <= 277) && 173 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((!(a25 == 13) && 300138 <= a29) && !(a25 == 12)) && a3 == 1) && a29 <= 600297) && a4 == 1) && a8 == 15)) || (a3 == 1 && ((((!(a25 == 13) && !(a25 == 12)) && ((((a25 <= 10 && a4 == 1) && 115637 <= a29) && a8 == 15) || ((a4 == 1 && a8 == 15) && 115953 <= a29))) && a23 <= 312) || (((((260 <= a29 && a25 == 11) && a4 == 1) && a23 <= 312) && a8 == 15) && 103953 <= a29)))) || (((((260 <= a29 && a25 == 11) && 173 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 12 && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 141 <= a23)) || (((((a29 <= 275 && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) && 245 <= a29)) || (((119992 + a23 <= 0 && a4 == 1) && a8 == 15) && a25 == 10)) || (((((a25 == 11 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-19 12:06:30,197 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