./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label59.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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/Problem16_label59.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 744695bd97e773bc45009ad8c308621dee61f75b749d2d70fc4d697e39202153 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 09:56:48,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 09:56:48,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 09:56:48,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 09:56:48,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 09:56:48,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 09:56:48,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 09:56:48,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 09:56:48,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 09:56:48,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 09:56:48,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 09:56:48,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 09:56:48,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 09:56:48,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 09:56:48,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 09:56:48,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 09:56:48,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 09:56:48,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 09:56:48,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 09:56:48,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 09:56:48,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 09:56:48,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 09:56:48,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 09:56:48,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 09:56:48,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 09:56:48,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 09:56:48,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 09:56:48,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 09:56:48,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 09:56:48,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 09:56:48,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 09:56:48,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 09:56:48,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 09:56:48,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 09:56:48,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 09:56:48,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 09:56:48,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 09:56:48,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 09:56:48,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 09:56:48,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 09:56:48,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 09:56:48,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 09:56:48,446 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 09:56:48,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 09:56:48,453 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 09:56:48,453 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 09:56:48,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 09:56:48,454 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 09:56:48,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 09:56:48,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 09:56:48,456 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 09:56:48,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 09:56:48,457 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 09:56:48,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 09:56:48,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 09:56:48,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 09:56:48,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 09:56:48,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 09:56:48,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 09:56:48,458 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 09:56:48,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 09:56:48,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 09:56:48,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 09:56:48,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 09:56:48,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 09:56:48,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 09:56:48,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:56:48,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 09:56:48,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 09:56:48,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 09:56:48,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 09:56:48,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 09:56:48,461 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 09:56:48,461 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 09:56:48,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 09:56:48,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 09:56:48,462 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 744695bd97e773bc45009ad8c308621dee61f75b749d2d70fc4d697e39202153 [2021-12-15 09:56:48,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 09:56:48,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 09:56:48,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 09:56:48,717 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 09:56:48,717 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 09:56:48,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label59.c [2021-12-15 09:56:48,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1881e1926/8eab08edf90a4fee8dc1f0c485582e20/FLAG5b0494925 [2021-12-15 09:56:49,343 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 09:56:49,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label59.c [2021-12-15 09:56:49,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1881e1926/8eab08edf90a4fee8dc1f0c485582e20/FLAG5b0494925 [2021-12-15 09:56:49,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1881e1926/8eab08edf90a4fee8dc1f0c485582e20 [2021-12-15 09:56:49,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 09:56:49,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 09:56:49,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 09:56:49,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 09:56:49,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 09:56:49,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:56:49" (1/1) ... [2021-12-15 09:56:49,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77eab217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:56:49, skipping insertion in model container [2021-12-15 09:56:49,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:56:49" (1/1) ... [2021-12-15 09:56:49,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 09:56:49,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 09:56:50,132 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/Problem16_label59.c[4713,4726] [2021-12-15 09:56:50,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:56:50,417 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 09:56:50,434 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/Problem16_label59.c[4713,4726] [2021-12-15 09:56:50,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:56:50,653 INFO L208 MainTranslator]: Completed translation [2021-12-15 09:56:50,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:56:50 WrapperNode [2021-12-15 09:56:50,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 09:56:50,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 09:56:50,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 09:56:50,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 09:56:50,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:56:50" (1/1) ... [2021-12-15 09:56:50,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:56:50" (1/1) ... [2021-12-15 09:56:50,802 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2021-12-15 09:56:50,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 09:56:50,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 09:56:50,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 09:56:50,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 09:56:50,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:56:50" (1/1) ... [2021-12-15 09:56:50,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:56:50" (1/1) ... [2021-12-15 09:56:50,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:56:50" (1/1) ... [2021-12-15 09:56:50,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:56:50" (1/1) ... [2021-12-15 09:56:50,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:56:50" (1/1) ... [2021-12-15 09:56:50,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:56:50" (1/1) ... [2021-12-15 09:56:50,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:56:50" (1/1) ... [2021-12-15 09:56:51,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 09:56:51,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 09:56:51,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 09:56:51,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 09:56:51,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:56:50" (1/1) ... [2021-12-15 09:56:51,031 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:56:51,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:56:51,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 09:56:51,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 09:56:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 09:56:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 09:56:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 09:56:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 09:56:51,154 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 09:56:51,156 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 09:56:52,786 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 09:56:52,801 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 09:56:52,802 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 09:56:52,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:56:52 BoogieIcfgContainer [2021-12-15 09:56:52,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 09:56:52,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 09:56:52,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 09:56:52,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 09:56:52,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:56:49" (1/3) ... [2021-12-15 09:56:52,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b58946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:56:52, skipping insertion in model container [2021-12-15 09:56:52,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:56:50" (2/3) ... [2021-12-15 09:56:52,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b58946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:56:52, skipping insertion in model container [2021-12-15 09:56:52,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:56:52" (3/3) ... [2021-12-15 09:56:52,812 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label59.c [2021-12-15 09:56:52,816 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 09:56:52,817 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 09:56:52,859 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 09:56:52,865 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 09:56:52,866 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 09:56:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:56:52,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-12-15 09:56:52,890 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:56:52,891 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:56:52,891 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:56:52,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:56:52,896 INFO L85 PathProgramCache]: Analyzing trace with hash 626000386, now seen corresponding path program 1 times [2021-12-15 09:56:52,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:56:52,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211055447] [2021-12-15 09:56:52,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:56:52,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:56:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:56:53,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:56:53,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:56:53,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211055447] [2021-12-15 09:56:53,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211055447] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:56:53,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:56:53,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:56:53,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706867514] [2021-12-15 09:56:53,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:56:53,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:56:53,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:56:53,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:56:53,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:56:53,137 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:56:54,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:56:54,673 INFO L93 Difference]: Finished difference Result 1137 states and 2118 transitions. [2021-12-15 09:56:54,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:56:54,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-12-15 09:56:54,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:56:54,691 INFO L225 Difference]: With dead ends: 1137 [2021-12-15 09:56:54,691 INFO L226 Difference]: Without dead ends: 662 [2021-12-15 09:56:54,696 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:56:54,699 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 342 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-15 09:56:54,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [342 Valid, 60 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 1182 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-15 09:56:54,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-12-15 09:56:54,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-12-15 09:56:54,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.7639939485627836) internal successors, (1166), 661 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:56:54,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1166 transitions. [2021-12-15 09:56:54,780 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1166 transitions. Word has length 44 [2021-12-15 09:56:54,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:56:54,781 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1166 transitions. [2021-12-15 09:56:54,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:56:54,781 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1166 transitions. [2021-12-15 09:56:54,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-12-15 09:56:54,784 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:56:54,785 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:56:54,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 09:56:54,785 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:56:54,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:56:54,786 INFO L85 PathProgramCache]: Analyzing trace with hash -228214936, now seen corresponding path program 1 times [2021-12-15 09:56:54,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:56:54,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097373537] [2021-12-15 09:56:54,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:56:54,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:56:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:56:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:56:54,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:56:54,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097373537] [2021-12-15 09:56:54,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097373537] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:56:54,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:56:54,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:56:54,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400838480] [2021-12-15 09:56:54,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:56:54,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:56:54,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:56:54,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:56:54,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:56:54,935 INFO L87 Difference]: Start difference. First operand 662 states and 1166 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:56:56,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:56:56,268 INFO L93 Difference]: Finished difference Result 1980 states and 3493 transitions. [2021-12-15 09:56:56,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:56:56,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2021-12-15 09:56:56,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:56:56,274 INFO L225 Difference]: With dead ends: 1980 [2021-12-15 09:56:56,274 INFO L226 Difference]: Without dead ends: 1320 [2021-12-15 09:56:56,277 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:56:56,278 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 344 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:56:56,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [344 Valid, 77 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-15 09:56:56,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-12-15 09:56:56,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-12-15 09:56:56,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.6656557998483699) internal successors, (2197), 1319 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:56:56,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2197 transitions. [2021-12-15 09:56:56,312 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2197 transitions. Word has length 109 [2021-12-15 09:56:56,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:56:56,312 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 2197 transitions. [2021-12-15 09:56:56,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:56:56,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2197 transitions. [2021-12-15 09:56:56,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-15 09:56:56,315 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:56:56,316 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:56:56,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 09:56:56,316 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:56:56,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:56:56,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1921470884, now seen corresponding path program 1 times [2021-12-15 09:56:56,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:56:56,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136998501] [2021-12-15 09:56:56,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:56:56,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:56:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:56:56,420 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:56:56,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:56:56,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136998501] [2021-12-15 09:56:56,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136998501] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:56:56,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:56:56,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:56:56,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434784581] [2021-12-15 09:56:56,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:56:56,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 09:56:56,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:56:56,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 09:56:56,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:56:56,423 INFO L87 Difference]: Start difference. First operand 1320 states and 2197 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:56:58,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:56:58,391 INFO L93 Difference]: Finished difference Result 3625 states and 5926 transitions. [2021-12-15 09:56:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 09:56:58,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2021-12-15 09:56:58,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:56:58,400 INFO L225 Difference]: With dead ends: 3625 [2021-12-15 09:56:58,401 INFO L226 Difference]: Without dead ends: 2307 [2021-12-15 09:56:58,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:56:58,403 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 1003 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 1496 mSolverCounterSat, 525 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1003 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 2021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 525 IncrementalHoareTripleChecker+Valid, 1496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-15 09:56:58,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1003 Valid, 41 Invalid, 2021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [525 Valid, 1496 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-15 09:56:58,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2021-12-15 09:56:58,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307. [2021-12-15 09:56:58,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2307 states, 2306 states have (on average 1.5034692107545533) internal successors, (3467), 2306 states have internal predecessors, (3467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:56:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 3467 transitions. [2021-12-15 09:56:58,452 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 3467 transitions. Word has length 112 [2021-12-15 09:56:58,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:56:58,453 INFO L470 AbstractCegarLoop]: Abstraction has 2307 states and 3467 transitions. [2021-12-15 09:56:58,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:56:58,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 3467 transitions. [2021-12-15 09:56:58,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-12-15 09:56:58,455 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:56:58,455 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 09:56:58,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-15 09:56:58,456 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:56:58,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:56:58,457 INFO L85 PathProgramCache]: Analyzing trace with hash -912563919, now seen corresponding path program 1 times [2021-12-15 09:56:58,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:56:58,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663989717] [2021-12-15 09:56:58,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:56:58,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:56:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:56:58,531 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:56:58,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:56:58,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663989717] [2021-12-15 09:56:58,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663989717] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:56:58,532 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:56:58,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:56:58,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251558267] [2021-12-15 09:56:58,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:56:58,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:56:58,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:56:58,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:56:58,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:56:58,534 INFO L87 Difference]: Start difference. First operand 2307 states and 3467 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:56:59,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:56:59,666 INFO L93 Difference]: Finished difference Result 4941 states and 7580 transitions. [2021-12-15 09:56:59,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:56:59,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2021-12-15 09:56:59,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:56:59,677 INFO L225 Difference]: With dead ends: 4941 [2021-12-15 09:56:59,677 INFO L226 Difference]: Without dead ends: 2965 [2021-12-15 09:56:59,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:56:59,681 INFO L933 BasicCegarLoop]: 534 mSDtfsCounter, 340 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-15 09:56:59,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [340 Valid, 540 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-15 09:56:59,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2021-12-15 09:56:59,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2965. [2021-12-15 09:56:59,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2965 states, 2964 states have (on average 1.4321862348178138) internal successors, (4245), 2964 states have internal predecessors, (4245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:56:59,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 4245 transitions. [2021-12-15 09:56:59,728 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 4245 transitions. Word has length 131 [2021-12-15 09:56:59,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:56:59,729 INFO L470 AbstractCegarLoop]: Abstraction has 2965 states and 4245 transitions. [2021-12-15 09:56:59,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:56:59,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 4245 transitions. [2021-12-15 09:56:59,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-12-15 09:56:59,732 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:56:59,732 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:56:59,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 09:56:59,733 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:56:59,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:56:59,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1359915327, now seen corresponding path program 1 times [2021-12-15 09:56:59,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:56:59,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404593800] [2021-12-15 09:56:59,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:56:59,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:56:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:56:59,857 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-12-15 09:56:59,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:56:59,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404593800] [2021-12-15 09:56:59,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404593800] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:56:59,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:56:59,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:56:59,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200762343] [2021-12-15 09:56:59,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:56:59,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:56:59,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:56:59,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:56:59,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:56:59,860 INFO L87 Difference]: Start difference. First operand 2965 states and 4245 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:00,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:57:00,982 INFO L93 Difference]: Finished difference Result 8231 states and 12060 transitions. [2021-12-15 09:57:00,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:57:00,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 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 232 [2021-12-15 09:57:00,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:57:01,002 INFO L225 Difference]: With dead ends: 8231 [2021-12-15 09:57:01,002 INFO L226 Difference]: Without dead ends: 5597 [2021-12-15 09:57:01,007 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:57:01,008 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 248 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 379 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 379 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-15 09:57:01,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 240 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [379 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-15 09:57:01,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2021-12-15 09:57:01,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2021-12-15 09:57:01,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.2980700500357398) internal successors, (7264), 5596 states have internal predecessors, (7264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:01,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 7264 transitions. [2021-12-15 09:57:01,118 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 7264 transitions. Word has length 232 [2021-12-15 09:57:01,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:57:01,120 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 7264 transitions. [2021-12-15 09:57:01,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:01,123 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 7264 transitions. [2021-12-15 09:57:01,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-12-15 09:57:01,128 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:57:01,129 INFO L514 BasicCegarLoop]: 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:57:01,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-15 09:57:01,130 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:57:01,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:57:01,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1131873446, now seen corresponding path program 1 times [2021-12-15 09:57:01,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:57:01,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728264749] [2021-12-15 09:57:01,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:57:01,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:57:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:57:01,275 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-12-15 09:57:01,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:57:01,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728264749] [2021-12-15 09:57:01,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728264749] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:57:01,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:57:01,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:57:01,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252616727] [2021-12-15 09:57:01,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:57:01,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:57:01,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:57:01,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:57:01,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:57:01,279 INFO L87 Difference]: Start difference. First operand 5597 states and 7264 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:02,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:57:02,479 INFO L93 Difference]: Finished difference Result 14153 states and 18444 transitions. [2021-12-15 09:57:02,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:57:02,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 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 311 [2021-12-15 09:57:02,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:57:02,504 INFO L225 Difference]: With dead ends: 14153 [2021-12-15 09:57:02,504 INFO L226 Difference]: Without dead ends: 7571 [2021-12-15 09:57:02,511 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:57:02,512 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 359 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-15 09:57:02,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [359 Valid, 155 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-15 09:57:02,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2021-12-15 09:57:02,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 6584. [2021-12-15 09:57:02,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6584 states, 6583 states have (on average 1.0748898678414096) internal successors, (7076), 6583 states have internal predecessors, (7076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:02,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6584 states to 6584 states and 7076 transitions. [2021-12-15 09:57:02,625 INFO L78 Accepts]: Start accepts. Automaton has 6584 states and 7076 transitions. Word has length 311 [2021-12-15 09:57:02,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:57:02,626 INFO L470 AbstractCegarLoop]: Abstraction has 6584 states and 7076 transitions. [2021-12-15 09:57:02,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:02,626 INFO L276 IsEmpty]: Start isEmpty. Operand 6584 states and 7076 transitions. [2021-12-15 09:57:02,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-15 09:57:02,631 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:57:02,631 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:57:02,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-15 09:57:02,632 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:57:02,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:57:02,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1558124653, now seen corresponding path program 1 times [2021-12-15 09:57:02,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:57:02,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843334095] [2021-12-15 09:57:02,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:57:02,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:57:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:57:02,830 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-12-15 09:57:02,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:57:02,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843334095] [2021-12-15 09:57:02,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843334095] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:57:02,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:57:02,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:57:02,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18995063] [2021-12-15 09:57:02,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:57:02,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:57:02,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:57:02,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:57:02,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:57:02,833 INFO L87 Difference]: Start difference. First operand 6584 states and 7076 transitions. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 2 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:03,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:57:03,733 INFO L93 Difference]: Finished difference Result 15798 states and 17048 transitions. [2021-12-15 09:57:03,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:57:03,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 2 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 375 [2021-12-15 09:57:03,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:57:03,776 INFO L225 Difference]: With dead ends: 15798 [2021-12-15 09:57:03,776 INFO L226 Difference]: Without dead ends: 9545 [2021-12-15 09:57:03,784 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:57:03,785 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 99 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 09:57:03,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 43 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-15 09:57:03,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9545 states. [2021-12-15 09:57:03,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9545 to 9545. [2021-12-15 09:57:03,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9545 states, 9544 states have (on average 1.0743922883487007) internal successors, (10254), 9544 states have internal predecessors, (10254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:03,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9545 states to 9545 states and 10254 transitions. [2021-12-15 09:57:03,975 INFO L78 Accepts]: Start accepts. Automaton has 9545 states and 10254 transitions. Word has length 375 [2021-12-15 09:57:03,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:57:03,975 INFO L470 AbstractCegarLoop]: Abstraction has 9545 states and 10254 transitions. [2021-12-15 09:57:03,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 2 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:03,976 INFO L276 IsEmpty]: Start isEmpty. Operand 9545 states and 10254 transitions. [2021-12-15 09:57:03,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-12-15 09:57:03,981 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:57:03,981 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:57:03,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-15 09:57:03,982 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:57:03,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:57:03,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1195091839, now seen corresponding path program 1 times [2021-12-15 09:57:03,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:57:03,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674355726] [2021-12-15 09:57:03,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:57:03,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:57:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:57:04,136 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-12-15 09:57:04,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:57:04,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674355726] [2021-12-15 09:57:04,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674355726] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:57:04,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:57:04,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:57:04,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935134689] [2021-12-15 09:57:04,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:57:04,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:57:04,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:57:04,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:57:04,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:57:04,140 INFO L87 Difference]: Start difference. First operand 9545 states and 10254 transitions. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:05,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:57:05,023 INFO L93 Difference]: Finished difference Result 21391 states and 23055 transitions. [2021-12-15 09:57:05,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:57:05,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 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 383 [2021-12-15 09:57:05,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:57:05,048 INFO L225 Difference]: With dead ends: 21391 [2021-12-15 09:57:05,049 INFO L226 Difference]: Without dead ends: 12506 [2021-12-15 09:57:05,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:57:05,059 INFO L933 BasicCegarLoop]: 414 mSDtfsCounter, 288 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 09:57:05,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 420 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-15 09:57:05,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12506 states. [2021-12-15 09:57:05,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12506 to 12506. [2021-12-15 09:57:05,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12506 states, 12505 states have (on average 1.0674930027988805) internal successors, (13349), 12505 states have internal predecessors, (13349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:05,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12506 states to 12506 states and 13349 transitions. [2021-12-15 09:57:05,228 INFO L78 Accepts]: Start accepts. Automaton has 12506 states and 13349 transitions. Word has length 383 [2021-12-15 09:57:05,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:57:05,231 INFO L470 AbstractCegarLoop]: Abstraction has 12506 states and 13349 transitions. [2021-12-15 09:57:05,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:05,232 INFO L276 IsEmpty]: Start isEmpty. Operand 12506 states and 13349 transitions. [2021-12-15 09:57:05,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2021-12-15 09:57:05,241 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:57:05,241 INFO L514 BasicCegarLoop]: 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:57:05,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-15 09:57:05,243 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:57:05,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:57:05,244 INFO L85 PathProgramCache]: Analyzing trace with hash -502550951, now seen corresponding path program 1 times [2021-12-15 09:57:05,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:57:05,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819960552] [2021-12-15 09:57:05,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:57:05,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:57:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:57:05,426 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-12-15 09:57:05,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:57:05,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819960552] [2021-12-15 09:57:05,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819960552] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:57:05,427 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:57:05,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:57:05,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241063667] [2021-12-15 09:57:05,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:57:05,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:57:05,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:57:05,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:57:05,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:57:05,430 INFO L87 Difference]: Start difference. First operand 12506 states and 13349 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:06,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:57:06,219 INFO L93 Difference]: Finished difference Result 24352 states and 26026 transitions. [2021-12-15 09:57:06,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:57:06,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 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 493 [2021-12-15 09:57:06,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:57:06,242 INFO L225 Difference]: With dead ends: 24352 [2021-12-15 09:57:06,242 INFO L226 Difference]: Without dead ends: 12506 [2021-12-15 09:57:06,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:57:06,255 INFO L933 BasicCegarLoop]: 413 mSDtfsCounter, 255 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:57:06,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 419 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:57:06,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12506 states. [2021-12-15 09:57:06,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12506 to 11848. [2021-12-15 09:57:06,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 11847 states have (on average 1.0658394530260826) internal successors, (12627), 11847 states have internal predecessors, (12627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:06,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12627 transitions. [2021-12-15 09:57:06,417 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12627 transitions. Word has length 493 [2021-12-15 09:57:06,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:57:06,418 INFO L470 AbstractCegarLoop]: Abstraction has 11848 states and 12627 transitions. [2021-12-15 09:57:06,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:06,418 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12627 transitions. [2021-12-15 09:57:06,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2021-12-15 09:57:06,426 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:57:06,426 INFO L514 BasicCegarLoop]: 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:57:06,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-15 09:57:06,426 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:57:06,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:57:06,427 INFO L85 PathProgramCache]: Analyzing trace with hash -196722755, now seen corresponding path program 1 times [2021-12-15 09:57:06,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:57:06,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711270865] [2021-12-15 09:57:06,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:57:06,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:57:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:57:06,624 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 663 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-12-15 09:57:06,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:57:06,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711270865] [2021-12-15 09:57:06,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711270865] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:57:06,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:57:06,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:57:06,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686661388] [2021-12-15 09:57:06,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:57:06,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:57:06,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:57:06,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:57:06,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:57:06,627 INFO L87 Difference]: Start difference. First operand 11848 states and 12627 transitions. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:07,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:57:07,396 INFO L93 Difference]: Finished difference Result 25997 states and 27667 transitions. [2021-12-15 09:57:07,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:57:07,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 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 621 [2021-12-15 09:57:07,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:57:07,422 INFO L225 Difference]: With dead ends: 25997 [2021-12-15 09:57:07,422 INFO L226 Difference]: Without dead ends: 14809 [2021-12-15 09:57:07,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:57:07,470 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 219 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:57:07,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 428 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:57:07,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2021-12-15 09:57:07,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14480. [2021-12-15 09:57:07,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0568409420540092) internal successors, (15302), 14479 states have internal predecessors, (15302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:07,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 15302 transitions. [2021-12-15 09:57:07,632 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 15302 transitions. Word has length 621 [2021-12-15 09:57:07,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:57:07,633 INFO L470 AbstractCegarLoop]: Abstraction has 14480 states and 15302 transitions. [2021-12-15 09:57:07,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:07,633 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 15302 transitions. [2021-12-15 09:57:07,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 685 [2021-12-15 09:57:07,643 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:57:07,643 INFO L514 BasicCegarLoop]: 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:57:07,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-15 09:57:07,644 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:57:07,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:57:07,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1347887967, now seen corresponding path program 1 times [2021-12-15 09:57:07,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:57:07,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551690076] [2021-12-15 09:57:07,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:57:07,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:57:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:57:07,869 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 731 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-12-15 09:57:07,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:57:07,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551690076] [2021-12-15 09:57:07,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551690076] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:57:07,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:57:07,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:57:07,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607822394] [2021-12-15 09:57:07,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:57:07,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:57:07,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:57:07,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:57:07,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:57:07,872 INFO L87 Difference]: Start difference. First operand 14480 states and 15302 transitions. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:08,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:57:08,755 INFO L93 Difference]: Finished difference Result 28629 states and 30271 transitions. [2021-12-15 09:57:08,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:57:08,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 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 684 [2021-12-15 09:57:08,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:57:08,773 INFO L225 Difference]: With dead ends: 28629 [2021-12-15 09:57:08,773 INFO L226 Difference]: Without dead ends: 14480 [2021-12-15 09:57:08,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:57:08,783 INFO L933 BasicCegarLoop]: 408 mSDtfsCounter, 175 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 09:57:08,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 414 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-15 09:57:08,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2021-12-15 09:57:08,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 13822. [2021-12-15 09:57:08,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.035670356703567) internal successors, (14314), 13821 states have internal predecessors, (14314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:08,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14314 transitions. [2021-12-15 09:57:08,981 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14314 transitions. Word has length 684 [2021-12-15 09:57:08,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:57:08,982 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14314 transitions. [2021-12-15 09:57:08,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:08,982 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14314 transitions. [2021-12-15 09:57:09,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 983 [2021-12-15 09:57:09,003 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:57:09,003 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 09:57:09,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-15 09:57:09,004 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:57:09,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:57:09,004 INFO L85 PathProgramCache]: Analyzing trace with hash -433357336, now seen corresponding path program 1 times [2021-12-15 09:57:09,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:57:09,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538911994] [2021-12-15 09:57:09,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:57:09,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:57:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:57:09,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1937 backedges. 1374 proven. 0 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2021-12-15 09:57:09,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:57:09,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538911994] [2021-12-15 09:57:09,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538911994] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:57:09,366 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:57:09,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:57:09,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712379588] [2021-12-15 09:57:09,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:57:09,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:57:09,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:57:09,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:57:09,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:57:09,369 INFO L87 Difference]: Start difference. First operand 13822 states and 14314 transitions. Second operand has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:10,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:57:10,186 INFO L93 Difference]: Finished difference Result 29945 states and 31049 transitions. [2021-12-15 09:57:10,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:57:10,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 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 982 [2021-12-15 09:57:10,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:57:10,208 INFO L225 Difference]: With dead ends: 29945 [2021-12-15 09:57:10,208 INFO L226 Difference]: Without dead ends: 16454 [2021-12-15 09:57:10,215 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:57:10,216 INFO L933 BasicCegarLoop]: 428 mSDtfsCounter, 192 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:57:10,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 434 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:57:10,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2021-12-15 09:57:10,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 16125. [2021-12-15 09:57:10,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0342346812205407) internal successors, (16676), 16124 states have internal predecessors, (16676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:10,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16676 transitions. [2021-12-15 09:57:10,398 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16676 transitions. Word has length 982 [2021-12-15 09:57:10,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:57:10,399 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 16676 transitions. [2021-12-15 09:57:10,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:10,400 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16676 transitions. [2021-12-15 09:57:10,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1008 [2021-12-15 09:57:10,418 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:57:10,419 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 09:57:10,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-15 09:57:10,419 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:57:10,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:57:10,420 INFO L85 PathProgramCache]: Analyzing trace with hash 692984440, now seen corresponding path program 1 times [2021-12-15 09:57:10,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:57:10,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201814284] [2021-12-15 09:57:10,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:57:10,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:57:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:57:10,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2062 backedges. 796 proven. 754 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2021-12-15 09:57:10,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:57:10,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201814284] [2021-12-15 09:57:10,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201814284] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:57:10,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279544409] [2021-12-15 09:57:10,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:57:10,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:57:10,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:57:10,851 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 09:57:10,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-15 09:57:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:57:11,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 1207 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:57:11,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:57:12,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2062 backedges. 1079 proven. 0 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2021-12-15 09:57:12,710 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:57:12,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279544409] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:57:12,710 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:57:12,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-15 09:57:12,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981434065] [2021-12-15 09:57:12,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:57:12,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:57:12,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:57:12,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:57:12,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:57:12,713 INFO L87 Difference]: Start difference. First operand 16125 states and 16676 transitions. Second operand has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:13,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:57:13,426 INFO L93 Difference]: Finished difference Result 31919 states and 33019 transitions. [2021-12-15 09:57:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:57:13,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 0 states have call successors, (0), 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 1007 [2021-12-15 09:57:13,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:57:13,490 INFO L225 Difference]: With dead ends: 31919 [2021-12-15 09:57:13,491 INFO L226 Difference]: Without dead ends: 16125 [2021-12-15 09:57:13,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1011 GetRequests, 1007 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:57:13,502 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 225 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:57:13,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 377 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:57:13,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2021-12-15 09:57:13,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 15467. [2021-12-15 09:57:13,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.0289021078494762) internal successors, (15913), 15466 states have internal predecessors, (15913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:13,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 15913 transitions. [2021-12-15 09:57:13,681 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 15913 transitions. Word has length 1007 [2021-12-15 09:57:13,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:57:13,682 INFO L470 AbstractCegarLoop]: Abstraction has 15467 states and 15913 transitions. [2021-12-15 09:57:13,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:13,682 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 15913 transitions. [2021-12-15 09:57:13,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1430 [2021-12-15 09:57:13,711 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:57:13,712 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:57:13,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-15 09:57:13,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-15 09:57:13,935 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:57:13,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:57:13,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1059048202, now seen corresponding path program 1 times [2021-12-15 09:57:13,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:57:13,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271186587] [2021-12-15 09:57:13,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:57:13,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:57:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:57:14,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3522 backedges. 2519 proven. 0 refuted. 0 times theorem prover too weak. 1003 trivial. 0 not checked. [2021-12-15 09:57:14,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:57:14,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271186587] [2021-12-15 09:57:14,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271186587] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:57:14,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:57:14,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 09:57:14,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971290409] [2021-12-15 09:57:14,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:57:14,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 09:57:14,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:57:14,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 09:57:14,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:57:14,427 INFO L87 Difference]: Start difference. First operand 15467 states and 15913 transitions. Second operand has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:15,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:57:15,506 INFO L93 Difference]: Finished difference Result 30631 states and 31521 transitions. [2021-12-15 09:57:15,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 09:57:15,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 0 states have call successors, (0), 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 1429 [2021-12-15 09:57:15,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:57:15,524 INFO L225 Difference]: With dead ends: 30631 [2021-12-15 09:57:15,525 INFO L226 Difference]: Without dead ends: 15495 [2021-12-15 09:57:15,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:57:15,535 INFO L933 BasicCegarLoop]: 432 mSDtfsCounter, 264 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-15 09:57:15,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 449 Invalid, 1307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-15 09:57:15,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15495 states. [2021-12-15 09:57:15,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15495 to 15467. [2021-12-15 09:57:15,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.028643476011897) internal successors, (15909), 15466 states have internal predecessors, (15909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:15,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 15909 transitions. [2021-12-15 09:57:15,699 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 15909 transitions. Word has length 1429 [2021-12-15 09:57:15,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:57:15,700 INFO L470 AbstractCegarLoop]: Abstraction has 15467 states and 15909 transitions. [2021-12-15 09:57:15,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:15,701 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 15909 transitions. [2021-12-15 09:57:15,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1608 [2021-12-15 09:57:15,733 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:57:15,734 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:57:15,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-15 09:57:15,734 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:57:15,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:57:15,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1139136543, now seen corresponding path program 1 times [2021-12-15 09:57:15,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:57:15,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748702955] [2021-12-15 09:57:15,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:57:15,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:57:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:57:16,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4981 backedges. 3806 proven. 2 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2021-12-15 09:57:16,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:57:16,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748702955] [2021-12-15 09:57:16,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748702955] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:57:16,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111468944] [2021-12-15 09:57:16,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:57:16,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:57:16,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:57:16,482 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 09:57:16,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-15 09:57:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:57:16,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 1875 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:57:16,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:57:18,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4981 backedges. 1254 proven. 0 refuted. 0 times theorem prover too weak. 3727 trivial. 0 not checked. [2021-12-15 09:57:18,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:57:18,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111468944] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:57:18,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:57:18,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-15 09:57:18,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252399645] [2021-12-15 09:57:18,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:57:18,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:57:18,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:57:18,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:57:18,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:57:18,866 INFO L87 Difference]: Start difference. First operand 15467 states and 15909 transitions. Second operand has 3 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:19,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:57:19,669 INFO L93 Difference]: Finished difference Result 30603 states and 31485 transitions. [2021-12-15 09:57:19,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:57:19,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 0 states have call successors, (0), 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 1607 [2021-12-15 09:57:19,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:57:19,688 INFO L225 Difference]: With dead ends: 30603 [2021-12-15 09:57:19,689 INFO L226 Difference]: Without dead ends: 15467 [2021-12-15 09:57:19,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1611 GetRequests, 1607 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:57:19,701 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 229 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:57:19,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [229 Valid, 26 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:57:19,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15467 states. [2021-12-15 09:57:19,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15467 to 15138. [2021-12-15 09:57:19,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15138 states, 15137 states have (on average 1.0260289357204202) internal successors, (15531), 15137 states have internal predecessors, (15531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:19,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15138 states to 15138 states and 15531 transitions. [2021-12-15 09:57:19,886 INFO L78 Accepts]: Start accepts. Automaton has 15138 states and 15531 transitions. Word has length 1607 [2021-12-15 09:57:19,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:57:19,888 INFO L470 AbstractCegarLoop]: Abstraction has 15138 states and 15531 transitions. [2021-12-15 09:57:19,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:19,888 INFO L276 IsEmpty]: Start isEmpty. Operand 15138 states and 15531 transitions. [2021-12-15 09:57:19,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1748 [2021-12-15 09:57:19,930 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:57:19,931 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2021-12-15 09:57:19,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-15 09:57:20,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-15 09:57:20,138 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:57:20,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:57:20,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1818189483, now seen corresponding path program 1 times [2021-12-15 09:57:20,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:57:20,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180622205] [2021-12-15 09:57:20,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:57:20,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:57:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:57:20,935 INFO L134 CoverageAnalysis]: Checked inductivity of 6453 backedges. 4095 proven. 0 refuted. 0 times theorem prover too weak. 2358 trivial. 0 not checked. [2021-12-15 09:57:20,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:57:20,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180622205] [2021-12-15 09:57:20,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180622205] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:57:20,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:57:20,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:57:20,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518165035] [2021-12-15 09:57:20,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:57:20,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:57:20,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:57:20,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:57:20,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:57:20,939 INFO L87 Difference]: Start difference. First operand 15138 states and 15531 transitions. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:21,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:57:21,663 INFO L93 Difference]: Finished difference Result 30603 states and 31403 transitions. [2021-12-15 09:57:21,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:57:21,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 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 1747 [2021-12-15 09:57:21,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:57:21,681 INFO L225 Difference]: With dead ends: 30603 [2021-12-15 09:57:21,681 INFO L226 Difference]: Without dead ends: 15796 [2021-12-15 09:57:21,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:57:21,693 INFO L933 BasicCegarLoop]: 432 mSDtfsCounter, 224 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:57:21,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 438 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:57:21,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2021-12-15 09:57:21,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 15796. [2021-12-15 09:57:21,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.0250079138968027) internal successors, (16190), 15795 states have internal predecessors, (16190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:21,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16190 transitions. [2021-12-15 09:57:21,864 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16190 transitions. Word has length 1747 [2021-12-15 09:57:21,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:57:21,865 INFO L470 AbstractCegarLoop]: Abstraction has 15796 states and 16190 transitions. [2021-12-15 09:57:21,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:21,866 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16190 transitions. [2021-12-15 09:57:21,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1802 [2021-12-15 09:57:21,987 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:57:21,989 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:57:21,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-15 09:57:21,989 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:57:21,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:57:21,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1290155728, now seen corresponding path program 1 times [2021-12-15 09:57:21,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:57:21,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218097064] [2021-12-15 09:57:21,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:57:21,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:57:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:57:22,600 INFO L134 CoverageAnalysis]: Checked inductivity of 6463 backedges. 2304 proven. 0 refuted. 0 times theorem prover too weak. 4159 trivial. 0 not checked. [2021-12-15 09:57:22,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:57:22,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218097064] [2021-12-15 09:57:22,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218097064] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:57:22,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:57:22,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:57:22,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035600784] [2021-12-15 09:57:22,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:57:22,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:57:22,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:57:22,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:57:22,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:57:22,605 INFO L87 Difference]: Start difference. First operand 15796 states and 16190 transitions. Second operand has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:23,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:57:23,320 INFO L93 Difference]: Finished difference Result 32904 states and 33710 transitions. [2021-12-15 09:57:23,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:57:23,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 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 1801 [2021-12-15 09:57:23,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:57:23,322 INFO L225 Difference]: With dead ends: 32904 [2021-12-15 09:57:23,322 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 09:57:23,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:57:23,334 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 178 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:57:23,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 409 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:57:23,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 09:57:23,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 09:57:23,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:23,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 09:57:23,336 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1801 [2021-12-15 09:57:23,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:57:23,336 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 09:57:23,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:57:23,336 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 09:57:23,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 09:57:23,339 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 09:57:23,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-15 09:57:23,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 09:57:25,548 INFO L858 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,548 INFO L858 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,548 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,548 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,548 INFO L858 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,549 INFO L858 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,549 INFO L858 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,549 INFO L858 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,549 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,549 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,549 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,549 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,550 INFO L858 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,550 INFO L858 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,550 INFO L858 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,550 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-15 09:57:25,550 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-15 09:57:25,550 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-15 09:57:25,550 INFO L858 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,550 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,551 INFO L858 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,551 INFO L858 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,551 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,551 INFO L858 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,551 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,551 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,551 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,552 INFO L858 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,552 INFO L858 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,552 INFO L858 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,552 INFO L858 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,552 INFO L858 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,552 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,552 INFO L858 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,552 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,553 INFO L858 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,553 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-15 09:57:25,553 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-15 09:57:25,553 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-15 09:57:25,553 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,553 INFO L858 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,553 INFO L858 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,553 INFO L858 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,554 INFO L858 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,554 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,554 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,554 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,554 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,554 INFO L858 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,554 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-15 09:57:25,555 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-15 09:57:25,555 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-15 09:57:25,555 INFO L858 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,555 INFO L858 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,555 INFO L858 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,555 INFO L858 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,555 INFO L858 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,555 INFO L858 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,556 INFO L858 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,556 INFO L858 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,556 INFO L858 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,556 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,556 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,556 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,556 INFO L858 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,556 INFO L858 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,557 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,557 INFO L858 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,557 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,557 INFO L858 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,557 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,557 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-15 09:57:25,557 INFO L858 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,558 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-15 09:57:25,558 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-15 09:57:25,558 INFO L854 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse6 (<= 7 ~a12~0)) (.cse3 (<= ~a16~0 8)) (.cse2 (= 9 ~a12~0)) (.cse7 (= ~a12~0 6)) (.cse4 (= ~a16~0 12)) (.cse1 (= ~a15~0 3)) (.cse9 (<= 0 (+ ~a18~0 87))) (.cse11 (= ~a16~0 9)) (.cse5 (<= ~a12~0 8)) (.cse0 (<= ~a16~0 11)) (.cse8 (<= 4 ~a15~0)) (.cse10 (<= ~a12~0 5))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1) (and .cse4 .cse1 .cse5 .cse6) (and .cse0 .cse1 .cse5 .cse6) (and .cse7 .cse0 .cse8) (and .cse3 .cse8 .cse9 .cse5) (and .cse4 .cse1 .cse10) (and .cse3 (<= (+ ~a18~0 156) 0) .cse8 (= ~a12~0 8)) (and .cse11 .cse8 .cse2) (and .cse3 .cse8 (= ~a12~0 7)) (and .cse0 .cse1 .cse9 .cse5) (and .cse4 .cse1 .cse6 .cse2) (and .cse7 .cse0 .cse1) (and .cse11 .cse1 .cse10) (and .cse3 .cse8 .cse2) (and .cse7 .cse4 .cse1 .cse9) (and .cse11 .cse8 .cse5) (and .cse0 .cse8 .cse10))) [2021-12-15 09:57:25,558 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,558 INFO L858 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,558 INFO L858 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,559 INFO L858 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,559 INFO L858 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,559 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,559 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,559 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,559 INFO L858 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,559 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,559 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-15 09:57:25,560 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-15 09:57:25,560 INFO L858 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,560 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-15 09:57:25,560 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,560 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,560 INFO L858 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,560 INFO L858 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,561 INFO L858 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,561 INFO L858 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,561 INFO L858 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,561 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,561 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,561 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,561 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,561 INFO L858 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,562 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,562 INFO L858 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,562 INFO L858 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,562 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,562 INFO L858 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,562 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-15 09:57:25,562 INFO L858 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,563 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-15 09:57:25,563 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-15 09:57:25,563 INFO L858 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,563 INFO L858 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,563 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,563 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,563 INFO L858 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,563 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,564 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,564 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,564 INFO L858 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,564 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,564 INFO L858 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,564 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-15 09:57:25,564 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-15 09:57:25,565 INFO L858 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,565 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-15 09:57:25,565 INFO L858 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,565 INFO L854 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse6 (<= 7 ~a12~0)) (.cse3 (<= ~a16~0 8)) (.cse2 (= 9 ~a12~0)) (.cse7 (= ~a12~0 6)) (.cse4 (= ~a16~0 12)) (.cse1 (= ~a15~0 3)) (.cse9 (<= 0 (+ ~a18~0 87))) (.cse11 (= ~a16~0 9)) (.cse5 (<= ~a12~0 8)) (.cse0 (<= ~a16~0 11)) (.cse8 (<= 4 ~a15~0)) (.cse10 (<= ~a12~0 5))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1) (and .cse4 .cse1 .cse5 .cse6) (and .cse0 .cse1 .cse5 .cse6) (and .cse7 .cse0 .cse8) (and .cse3 .cse8 .cse9 .cse5) (and .cse4 .cse1 .cse10) (and .cse3 (<= (+ ~a18~0 156) 0) .cse8 (= ~a12~0 8)) (and .cse11 .cse8 .cse2) (and .cse3 .cse8 (= ~a12~0 7)) (and .cse0 .cse1 .cse9 .cse5) (and .cse4 .cse1 .cse6 .cse2) (and .cse7 .cse0 .cse1) (and .cse11 .cse1 .cse10) (and .cse3 .cse8 .cse2) (and .cse7 .cse4 .cse1 .cse9) (and .cse11 .cse8 .cse5) (and .cse0 .cse8 .cse10))) [2021-12-15 09:57:25,565 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,565 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,565 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,566 INFO L858 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,566 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,566 INFO L858 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,566 INFO L858 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,566 INFO L858 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,566 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 09:57:25,566 INFO L858 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,566 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,567 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,567 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,567 INFO L858 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,567 INFO L858 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,567 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-15 09:57:25,567 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,567 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-15 09:57:25,568 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-15 09:57:25,568 INFO L858 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,568 INFO L861 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-12-15 09:57:25,568 INFO L858 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,568 INFO L858 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,568 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,568 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,569 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,569 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,569 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,569 INFO L858 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,569 INFO L858 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,569 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,569 INFO L858 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,569 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-15 09:57:25,570 INFO L858 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,570 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-15 09:57:25,570 INFO L858 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,570 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-15 09:57:25,570 INFO L858 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,570 INFO L858 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,570 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,571 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,571 INFO L858 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,571 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,571 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,571 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,571 INFO L858 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,571 INFO L858 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,571 INFO L858 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,572 INFO L858 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,572 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,572 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,572 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,572 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,572 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-15 09:57:25,572 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-15 09:57:25,572 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-15 09:57:25,573 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 09:57:25,573 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 149) no Hoare annotation was computed. [2021-12-15 09:57:25,573 INFO L854 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse6 (<= 7 ~a12~0)) (.cse3 (<= ~a16~0 8)) (.cse2 (= 9 ~a12~0)) (.cse7 (= ~a12~0 6)) (.cse4 (= ~a16~0 12)) (.cse1 (= ~a15~0 3)) (.cse9 (<= 0 (+ ~a18~0 87))) (.cse11 (= ~a16~0 9)) (.cse5 (<= ~a12~0 8)) (.cse0 (<= ~a16~0 11)) (.cse8 (<= 4 ~a15~0)) (.cse10 (<= ~a12~0 5))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1) (and .cse4 .cse1 .cse5 .cse6) (and .cse0 .cse1 .cse5 .cse6) (and .cse7 .cse0 .cse8) (and .cse3 .cse8 .cse9 .cse5) (and .cse4 .cse1 .cse10) (and .cse3 (<= (+ ~a18~0 156) 0) .cse8 (= ~a12~0 8)) (and .cse11 .cse8 .cse2) (and .cse3 .cse8 (= ~a12~0 7)) (and .cse0 .cse1 .cse9 .cse5) (and .cse4 .cse1 .cse6 .cse2) (and .cse7 .cse0 .cse1) (and .cse11 .cse1 .cse10) (and .cse3 .cse8 .cse2) (and .cse7 .cse4 .cse1 .cse9) (and .cse11 .cse8 .cse5) (and .cse0 .cse8 .cse10))) [2021-12-15 09:57:25,573 INFO L858 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,573 INFO L858 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,573 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,574 INFO L858 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,574 INFO L858 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,574 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,574 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,574 INFO L858 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,574 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,574 INFO L858 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,574 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,575 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,575 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,575 INFO L858 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,575 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-15 09:57:25,575 INFO L858 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,575 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-15 09:57:25,575 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-15 09:57:25,576 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,576 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,576 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,576 INFO L858 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,576 INFO L858 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,576 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,576 INFO L858 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,576 INFO L858 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,577 INFO L858 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,577 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,577 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,577 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,577 INFO L858 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-12-15 09:57:25,577 INFO L858 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,577 INFO L858 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,577 INFO L858 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,578 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,578 INFO L858 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,578 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-15 09:57:25,578 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-15 09:57:25,578 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-15 09:57:25,578 INFO L858 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,578 INFO L858 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,578 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,579 INFO L858 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,579 INFO L858 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,579 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,579 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,579 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,579 INFO L858 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,579 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,580 INFO L858 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,580 INFO L858 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,580 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,580 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-15 09:57:25,580 INFO L858 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,580 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-15 09:57:25,580 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-15 09:57:25,580 INFO L858 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,581 INFO L858 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,581 INFO L858 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,581 INFO L858 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,581 INFO L858 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,581 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,581 INFO L858 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,581 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,582 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,582 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,582 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,582 INFO L858 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,582 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,582 INFO L858 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,582 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-15 09:57:25,582 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-15 09:57:25,583 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-15 09:57:25,583 INFO L858 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,583 INFO L858 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,583 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,583 INFO L858 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,583 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,583 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,584 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,584 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,584 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,584 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,584 INFO L858 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,584 INFO L858 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,584 INFO L858 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,585 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,585 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-15 09:57:25,585 INFO L858 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,585 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-15 09:57:25,585 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-15 09:57:25,585 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,585 INFO L858 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,585 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,586 INFO L858 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,586 INFO L858 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,586 INFO L858 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,586 INFO L858 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,586 INFO L858 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,586 INFO L858 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,586 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,586 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,587 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,587 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,587 INFO L858 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,587 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-12-15 09:57:25,587 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-15 09:57:25,587 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-15 09:57:25,587 INFO L858 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,588 INFO L858 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,588 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,588 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,588 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,588 INFO L858 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,588 INFO L858 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,588 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,588 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,589 INFO L858 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,589 INFO L858 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,589 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,589 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,589 INFO L858 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,589 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 09:57:25,589 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,589 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-15 09:57:25,590 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-15 09:57:25,590 INFO L858 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,590 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,590 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,590 INFO L858 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,590 INFO L858 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,590 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,590 INFO L858 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,591 INFO L858 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,591 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,591 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,591 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,591 INFO L858 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,591 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-15 09:57:25,591 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-15 09:57:25,591 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,592 INFO L858 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,592 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,592 INFO L858 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,592 INFO L858 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,592 INFO L858 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,592 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,592 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,592 INFO L858 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,593 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,593 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,593 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,593 INFO L858 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,593 INFO L858 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,593 INFO L858 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,593 INFO L858 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,593 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-15 09:57:25,594 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-15 09:57:25,594 INFO L858 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,594 INFO L858 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,594 INFO L858 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,594 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,594 INFO L858 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,594 INFO L858 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,594 INFO L858 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,595 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,595 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,595 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 09:57:25,595 INFO L858 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,595 INFO L858 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,595 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-15 09:57:25,595 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-15 09:57:25,596 INFO L858 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,596 INFO L858 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,596 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,596 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,596 INFO L858 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,596 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,596 INFO L858 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,596 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,597 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,597 INFO L858 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,597 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,597 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,597 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,597 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,597 INFO L858 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,597 INFO L858 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,598 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,598 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-15 09:57:25,598 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-15 09:57:25,598 INFO L858 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,598 INFO L858 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,598 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,598 INFO L858 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,598 INFO L858 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,599 INFO L858 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,599 INFO L858 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-12-15 09:57:25,599 INFO L858 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,599 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,599 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,599 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-12-15 09:57:25,599 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:57:25,600 INFO L858 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,600 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,600 INFO L858 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-12-15 09:57:25,600 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-15 09:57:25,600 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-15 09:57:25,600 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-15 09:57:25,603 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:57:25,605 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 09:57:25,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:57:25 BoogieIcfgContainer [2021-12-15 09:57:25,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 09:57:25,642 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 09:57:25,642 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 09:57:25,642 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 09:57:25,643 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:56:52" (3/4) ... [2021-12-15 09:57:25,645 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 09:57:25,676 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-15 09:57:25,678 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 09:57:25,679 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 09:57:25,681 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 09:57:25,852 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 09:57:25,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 09:57:25,854 INFO L158 Benchmark]: Toolchain (without parser) took 36047.86ms. Allocated memory was 98.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 56.7MB in the beginning and 548.3MB in the end (delta: -491.6MB). Peak memory consumption was 742.1MB. Max. memory is 16.1GB. [2021-12-15 09:57:25,855 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 09:57:25,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 845.91ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 56.5MB in the beginning and 73.0MB in the end (delta: -16.5MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-12-15 09:57:25,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.55ms. Allocated memory is still 119.5MB. Free memory was 73.0MB in the beginning and 49.8MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 09:57:25,856 INFO L158 Benchmark]: Boogie Preprocessor took 217.33ms. Allocated memory is still 119.5MB. Free memory was 49.4MB in the beginning and 67.6MB in the end (delta: -18.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2021-12-15 09:57:25,856 INFO L158 Benchmark]: RCFGBuilder took 1782.63ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 67.6MB in the beginning and 113.5MB in the end (delta: -45.9MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2021-12-15 09:57:25,856 INFO L158 Benchmark]: TraceAbstraction took 32835.34ms. Allocated memory was 172.0MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 112.5MB in the beginning and 586.5MB in the end (delta: -474.0MB). Peak memory consumption was 717.2MB. Max. memory is 16.1GB. [2021-12-15 09:57:25,857 INFO L158 Benchmark]: Witness Printer took 210.95ms. Allocated memory is still 1.3GB. Free memory was 586.5MB in the beginning and 548.3MB in the end (delta: 38.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-15 09:57:25,860 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 845.91ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 56.5MB in the beginning and 73.0MB in the end (delta: -16.5MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.55ms. Allocated memory is still 119.5MB. Free memory was 73.0MB in the beginning and 49.8MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 217.33ms. Allocated memory is still 119.5MB. Free memory was 49.4MB in the beginning and 67.6MB in the end (delta: -18.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1782.63ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 67.6MB in the beginning and 113.5MB in the end (delta: -45.9MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * TraceAbstraction took 32835.34ms. Allocated memory was 172.0MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 112.5MB in the beginning and 586.5MB in the end (delta: -474.0MB). Peak memory consumption was 717.2MB. Max. memory is 16.1GB. * Witness Printer took 210.95ms. Allocated memory is still 1.3GB. Free memory was 586.5MB in the beginning and 548.3MB in the end (delta: 38.2MB). Peak memory consumption was 37.7MB. 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: 149]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.7s, OverallIterations: 17, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 18.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4984 SdHoareTripleChecker+Valid, 16.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4984 mSDsluCounter, 4970 SdHoareTripleChecker+Invalid, 12.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 107 mSDsCounter, 2623 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14877 IncrementalHoareTripleChecker+Invalid, 17500 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2623 mSolverCounterUnsat, 4863 mSDtfsCounter, 14877 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2666 GetRequests, 2639 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16125occurred in iteration=12, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 3976 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 177 NumberOfFragments, 622 HoareAnnotationTreeSize, 4 FomulaSimplifications, 1467 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 4 FomulaSimplificationsInter, 4195 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 14682 NumberOfCodeBlocks, 14682 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 14663 ConstructedInterpolants, 0 QuantifiedInterpolants, 31971 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3082 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 19 InterpolantComputations, 17 PerfectInterpolantSequences, 34897/35653 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: 1504]: Loop Invariant Derived loop invariant: ((((((((((((((((((a16 <= 11 && a15 == 3) && 9 == a12) || (a16 <= 8 && a15 == 3)) || (((a16 == 12 && a15 == 3) && a12 <= 8) && 7 <= a12)) || (((a16 <= 11 && a15 == 3) && a12 <= 8) && 7 <= a12)) || ((a12 == 6 && a16 <= 11) && 4 <= a15)) || (((a16 <= 8 && 4 <= a15) && 0 <= a18 + 87) && a12 <= 8)) || ((a16 == 12 && a15 == 3) && a12 <= 5)) || (((a16 <= 8 && a18 + 156 <= 0) && 4 <= a15) && a12 == 8)) || ((a16 == 9 && 4 <= a15) && 9 == a12)) || ((a16 <= 8 && 4 <= a15) && a12 == 7)) || (((a16 <= 11 && a15 == 3) && 0 <= a18 + 87) && a12 <= 8)) || (((a16 == 12 && a15 == 3) && 7 <= a12) && 9 == a12)) || ((a12 == 6 && a16 <= 11) && a15 == 3)) || ((a16 == 9 && a15 == 3) && a12 <= 5)) || ((a16 <= 8 && 4 <= a15) && 9 == a12)) || (((a12 == 6 && a16 == 12) && a15 == 3) && 0 <= a18 + 87)) || ((a16 == 9 && 4 <= a15) && a12 <= 8)) || ((a16 <= 11 && 4 <= a15) && a12 <= 5) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((((a16 <= 11 && a15 == 3) && 9 == a12) || (a16 <= 8 && a15 == 3)) || (((a16 == 12 && a15 == 3) && a12 <= 8) && 7 <= a12)) || (((a16 <= 11 && a15 == 3) && a12 <= 8) && 7 <= a12)) || ((a12 == 6 && a16 <= 11) && 4 <= a15)) || (((a16 <= 8 && 4 <= a15) && 0 <= a18 + 87) && a12 <= 8)) || ((a16 == 12 && a15 == 3) && a12 <= 5)) || (((a16 <= 8 && a18 + 156 <= 0) && 4 <= a15) && a12 == 8)) || ((a16 == 9 && 4 <= a15) && 9 == a12)) || ((a16 <= 8 && 4 <= a15) && a12 == 7)) || (((a16 <= 11 && a15 == 3) && 0 <= a18 + 87) && a12 <= 8)) || (((a16 == 12 && a15 == 3) && 7 <= a12) && 9 == a12)) || ((a12 == 6 && a16 <= 11) && a15 == 3)) || ((a16 == 9 && a15 == 3) && a12 <= 5)) || ((a16 <= 8 && 4 <= a15) && 9 == a12)) || (((a12 == 6 && a16 == 12) && a15 == 3) && 0 <= a18 + 87)) || ((a16 == 9 && 4 <= a15) && a12 <= 8)) || ((a16 <= 11 && 4 <= a15) && a12 <= 5) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((a16 <= 11 && a15 == 3) && 9 == a12) || (a16 <= 8 && a15 == 3)) || (((a16 == 12 && a15 == 3) && a12 <= 8) && 7 <= a12)) || (((a16 <= 11 && a15 == 3) && a12 <= 8) && 7 <= a12)) || ((a12 == 6 && a16 <= 11) && 4 <= a15)) || (((a16 <= 8 && 4 <= a15) && 0 <= a18 + 87) && a12 <= 8)) || ((a16 == 12 && a15 == 3) && a12 <= 5)) || (((a16 <= 8 && a18 + 156 <= 0) && 4 <= a15) && a12 == 8)) || ((a16 == 9 && 4 <= a15) && 9 == a12)) || ((a16 <= 8 && 4 <= a15) && a12 == 7)) || (((a16 <= 11 && a15 == 3) && 0 <= a18 + 87) && a12 <= 8)) || (((a16 == 12 && a15 == 3) && 7 <= a12) && 9 == a12)) || ((a12 == 6 && a16 <= 11) && a15 == 3)) || ((a16 == 9 && a15 == 3) && a12 <= 5)) || ((a16 <= 8 && 4 <= a15) && 9 == a12)) || (((a12 == 6 && a16 == 12) && a15 == 3) && 0 <= a18 + 87)) || ((a16 == 9 && 4 <= a15) && a12 <= 8)) || ((a16 <= 11 && 4 <= a15) && a12 <= 5) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-15 09:57:25,900 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