./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label59.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem15_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 81c0c0e4094b707710d37a66a4d190b151498489 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-25 22:17:18,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 22:17:18,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 22:17:18,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 22:17:18,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 22:17:18,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 22:17:18,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 22:17:18,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 22:17:18,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 22:17:18,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 22:17:18,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 22:17:18,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 22:17:18,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 22:17:18,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 22:17:18,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 22:17:18,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 22:17:18,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 22:17:18,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 22:17:18,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 22:17:18,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 22:17:18,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 22:17:18,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 22:17:18,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 22:17:18,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 22:17:18,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 22:17:18,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 22:17:18,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 22:17:18,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 22:17:18,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 22:17:18,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 22:17:18,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 22:17:18,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 22:17:18,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 22:17:18,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 22:17:18,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 22:17:18,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 22:17:18,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 22:17:18,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 22:17:18,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 22:17:18,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 22:17:18,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 22:17:18,843 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 22:17:18,879 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 22:17:18,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 22:17:18,881 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 22:17:18,881 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 22:17:18,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 22:17:18,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 22:17:18,883 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 22:17:18,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 22:17:18,884 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 22:17:18,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 22:17:18,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 22:17:18,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 22:17:18,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 22:17:18,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 22:17:18,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 22:17:18,886 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 22:17:18,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 22:17:18,886 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 22:17:18,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 22:17:18,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 22:17:18,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 22:17:18,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 22:17:18,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:17:18,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 22:17:18,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 22:17:18,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 22:17:18,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 22:17:18,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 22:17:18,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 22:17:18,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 22:17:18,888 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81c0c0e4094b707710d37a66a4d190b151498489 [2021-08-25 22:17:19,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 22:17:19,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 22:17:19,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 22:17:19,257 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 22:17:19,258 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 22:17:19,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label59.c [2021-08-25 22:17:19,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de9e43b54/97e074d1396d49dcb8bcc3a2c4bf9967/FLAGb898ad37a [2021-08-25 22:17:19,950 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 22:17:19,950 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label59.c [2021-08-25 22:17:19,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de9e43b54/97e074d1396d49dcb8bcc3a2c4bf9967/FLAGb898ad37a [2021-08-25 22:17:20,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de9e43b54/97e074d1396d49dcb8bcc3a2c4bf9967 [2021-08-25 22:17:20,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 22:17:20,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 22:17:20,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 22:17:20,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 22:17:20,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 22:17:20,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:17:20" (1/1) ... [2021-08-25 22:17:20,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fae5989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:20, skipping insertion in model container [2021-08-25 22:17:20,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:17:20" (1/1) ... [2021-08-25 22:17:20,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 22:17:20,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 22:17:20,490 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label59.c[6635,6648] [2021-08-25 22:17:20,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:17:20,861 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 22:17:20,891 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label59.c[6635,6648] [2021-08-25 22:17:21,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:17:21,090 INFO L208 MainTranslator]: Completed translation [2021-08-25 22:17:21,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:21 WrapperNode [2021-08-25 22:17:21,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 22:17:21,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 22:17:21,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 22:17:21,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 22:17:21,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:21" (1/1) ... [2021-08-25 22:17:21,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:21" (1/1) ... [2021-08-25 22:17:21,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 22:17:21,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 22:17:21,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 22:17:21,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 22:17:21,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:21" (1/1) ... [2021-08-25 22:17:21,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:21" (1/1) ... [2021-08-25 22:17:21,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:21" (1/1) ... [2021-08-25 22:17:21,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:21" (1/1) ... [2021-08-25 22:17:21,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:21" (1/1) ... [2021-08-25 22:17:21,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:21" (1/1) ... [2021-08-25 22:17:21,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:21" (1/1) ... [2021-08-25 22:17:21,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 22:17:21,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 22:17:21,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 22:17:21,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 22:17:21,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:21" (1/1) ... [2021-08-25 22:17:21,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:17:21,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:17:21,637 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) [2021-08-25 22:17:21,676 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 [2021-08-25 22:17:21,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 22:17:21,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 22:17:21,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 22:17:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 22:17:24,459 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 22:17:24,460 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-25 22:17:24,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:17:24 BoogieIcfgContainer [2021-08-25 22:17:24,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 22:17:24,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 22:17:24,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 22:17:24,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 22:17:24,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 10:17:20" (1/3) ... [2021-08-25 22:17:24,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43a2b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:17:24, skipping insertion in model container [2021-08-25 22:17:24,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:21" (2/3) ... [2021-08-25 22:17:24,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43a2b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:17:24, skipping insertion in model container [2021-08-25 22:17:24,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:17:24" (3/3) ... [2021-08-25 22:17:24,469 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label59.c [2021-08-25 22:17:24,474 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 22:17:24,474 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 22:17:24,521 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 22:17:24,526 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-08-25 22:17:24,526 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 22:17:24,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:24,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-25 22:17:24,563 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:24,564 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:17:24,564 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:24,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:24,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1425694346, now seen corresponding path program 1 times [2021-08-25 22:17:24,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:24,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386869559] [2021-08-25 22:17:24,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:24,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:24,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:17:24,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:24,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386869559] [2021-08-25 22:17:24,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386869559] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:24,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:24,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:17:24,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809749388] [2021-08-25 22:17:24,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:24,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:24,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:24,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:24,866 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:27,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:27,405 INFO L93 Difference]: Finished difference Result 1197 states and 2163 transitions. [2021-08-25 22:17:27,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:27,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2021-08-25 22:17:27,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:27,423 INFO L225 Difference]: With dead ends: 1197 [2021-08-25 22:17:27,424 INFO L226 Difference]: Without dead ends: 694 [2021-08-25 22:17:27,428 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:27,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2021-08-25 22:17:27,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 684. [2021-08-25 22:17:27,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 683 states have (on average 1.718887262079063) internal successors, (1174), 683 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:27,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1174 transitions. [2021-08-25 22:17:27,492 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1174 transitions. Word has length 54 [2021-08-25 22:17:27,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:27,493 INFO L470 AbstractCegarLoop]: Abstraction has 684 states and 1174 transitions. [2021-08-25 22:17:27,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:27,493 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1174 transitions. [2021-08-25 22:17:27,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-25 22:17:27,496 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:27,497 INFO L512 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:17:27,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 22:17:27,497 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:27,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:27,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1246806213, now seen corresponding path program 1 times [2021-08-25 22:17:27,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:27,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478413854] [2021-08-25 22:17:27,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:27,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:27,660 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:17:27,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:27,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478413854] [2021-08-25 22:17:27,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478413854] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:27,661 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:27,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:17:27,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778442440] [2021-08-25 22:17:27,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:27,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:27,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:27,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:27,664 INFO L87 Difference]: Start difference. First operand 684 states and 1174 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:29,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:29,826 INFO L93 Difference]: Finished difference Result 1681 states and 2896 transitions. [2021-08-25 22:17:29,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:29,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2021-08-25 22:17:29,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:29,831 INFO L225 Difference]: With dead ends: 1681 [2021-08-25 22:17:29,831 INFO L226 Difference]: Without dead ends: 999 [2021-08-25 22:17:29,833 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:29,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2021-08-25 22:17:29,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 989. [2021-08-25 22:17:29,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 988 states have (on average 1.6194331983805668) internal successors, (1600), 988 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:29,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1600 transitions. [2021-08-25 22:17:29,862 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1600 transitions. Word has length 119 [2021-08-25 22:17:29,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:29,863 INFO L470 AbstractCegarLoop]: Abstraction has 989 states and 1600 transitions. [2021-08-25 22:17:29,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:29,863 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1600 transitions. [2021-08-25 22:17:29,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-08-25 22:17:29,867 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:29,868 INFO L512 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, 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] [2021-08-25 22:17:29,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 22:17:29,868 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:29,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:29,869 INFO L82 PathProgramCache]: Analyzing trace with hash -214871010, now seen corresponding path program 1 times [2021-08-25 22:17:29,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:29,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056433559] [2021-08-25 22:17:29,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:29,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:29,938 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:17:29,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:29,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056433559] [2021-08-25 22:17:29,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056433559] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:29,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:29,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:17:29,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547047420] [2021-08-25 22:17:29,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:29,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:29,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:29,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:29,941 INFO L87 Difference]: Start difference. First operand 989 states and 1600 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:31,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:31,570 INFO L93 Difference]: Finished difference Result 2575 states and 4255 transitions. [2021-08-25 22:17:31,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:31,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2021-08-25 22:17:31,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:31,577 INFO L225 Difference]: With dead ends: 2575 [2021-08-25 22:17:31,578 INFO L226 Difference]: Without dead ends: 1588 [2021-08-25 22:17:31,579 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:31,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2021-08-25 22:17:31,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1584. [2021-08-25 22:17:31,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1584 states, 1583 states have (on average 1.3986102337334176) internal successors, (2214), 1583 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:31,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2214 transitions. [2021-08-25 22:17:31,609 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2214 transitions. Word has length 120 [2021-08-25 22:17:31,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:31,609 INFO L470 AbstractCegarLoop]: Abstraction has 1584 states and 2214 transitions. [2021-08-25 22:17:31,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:31,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2214 transitions. [2021-08-25 22:17:31,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-08-25 22:17:31,612 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:31,612 INFO L512 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:17:31,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 22:17:31,613 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:31,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:31,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1115564308, now seen corresponding path program 1 times [2021-08-25 22:17:31,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:31,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377614758] [2021-08-25 22:17:31,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:31,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:17:31,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:31,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377614758] [2021-08-25 22:17:31,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377614758] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:31,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:31,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:17:31,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249286111] [2021-08-25 22:17:31,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:31,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:31,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:31,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:31,683 INFO L87 Difference]: Start difference. First operand 1584 states and 2214 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:33,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:33,555 INFO L93 Difference]: Finished difference Result 4068 states and 5866 transitions. [2021-08-25 22:17:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:33,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2021-08-25 22:17:33,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:33,566 INFO L225 Difference]: With dead ends: 4068 [2021-08-25 22:17:33,566 INFO L226 Difference]: Without dead ends: 2785 [2021-08-25 22:17:33,568 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:33,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2021-08-25 22:17:33,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 2483. [2021-08-25 22:17:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2483 states, 2482 states have (on average 1.2961321514907334) internal successors, (3217), 2482 states have internal predecessors, (3217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:33,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2483 states and 3217 transitions. [2021-08-25 22:17:33,609 INFO L78 Accepts]: Start accepts. Automaton has 2483 states and 3217 transitions. Word has length 124 [2021-08-25 22:17:33,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:33,611 INFO L470 AbstractCegarLoop]: Abstraction has 2483 states and 3217 transitions. [2021-08-25 22:17:33,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:33,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 3217 transitions. [2021-08-25 22:17:33,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-08-25 22:17:33,614 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:33,615 INFO L512 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:17:33,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 22:17:33,615 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:33,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:33,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1684612182, now seen corresponding path program 1 times [2021-08-25 22:17:33,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:33,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728484376] [2021-08-25 22:17:33,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:33,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:33,743 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:17:33,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:33,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728484376] [2021-08-25 22:17:33,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728484376] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:33,744 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:33,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:17:33,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241468792] [2021-08-25 22:17:33,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:33,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:33,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:33,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:33,747 INFO L87 Difference]: Start difference. First operand 2483 states and 3217 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:35,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:35,457 INFO L93 Difference]: Finished difference Result 7358 states and 9526 transitions. [2021-08-25 22:17:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:35,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 145 [2021-08-25 22:17:35,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:35,472 INFO L225 Difference]: With dead ends: 7358 [2021-08-25 22:17:35,472 INFO L226 Difference]: Without dead ends: 3681 [2021-08-25 22:17:35,477 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:35,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3681 states. [2021-08-25 22:17:35,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3681 to 3681. [2021-08-25 22:17:35,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3681 states, 3680 states have (on average 1.1695652173913043) internal successors, (4304), 3680 states have internal predecessors, (4304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:35,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3681 states to 3681 states and 4304 transitions. [2021-08-25 22:17:35,550 INFO L78 Accepts]: Start accepts. Automaton has 3681 states and 4304 transitions. Word has length 145 [2021-08-25 22:17:35,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:35,550 INFO L470 AbstractCegarLoop]: Abstraction has 3681 states and 4304 transitions. [2021-08-25 22:17:35,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:35,551 INFO L276 IsEmpty]: Start isEmpty. Operand 3681 states and 4304 transitions. [2021-08-25 22:17:35,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-08-25 22:17:35,554 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:35,555 INFO L512 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:17:35,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 22:17:35,555 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:35,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:35,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1210416382, now seen corresponding path program 1 times [2021-08-25 22:17:35,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:35,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309743519] [2021-08-25 22:17:35,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:35,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:35,758 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:17:35,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:35,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309743519] [2021-08-25 22:17:35,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309743519] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:35,759 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:35,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:17:35,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547532776] [2021-08-25 22:17:35,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:17:35,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:35,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:17:35,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:17:35,765 INFO L87 Difference]: Start difference. First operand 3681 states and 4304 transitions. Second operand has 4 states, 4 states have (on average 71.75) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:38,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:38,211 INFO L93 Difference]: Finished difference Result 11273 states and 13177 transitions. [2021-08-25 22:17:38,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:17:38,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 71.75) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 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 287 [2021-08-25 22:17:38,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:38,240 INFO L225 Difference]: With dead ends: 11273 [2021-08-25 22:17:38,240 INFO L226 Difference]: Without dead ends: 7295 [2021-08-25 22:17:38,246 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:17:38,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7295 states. [2021-08-25 22:17:38,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7295 to 6081. [2021-08-25 22:17:38,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6081 states, 6080 states have (on average 1.1837171052631579) internal successors, (7197), 6080 states have internal predecessors, (7197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:38,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6081 states to 6081 states and 7197 transitions. [2021-08-25 22:17:38,397 INFO L78 Accepts]: Start accepts. Automaton has 6081 states and 7197 transitions. Word has length 287 [2021-08-25 22:17:38,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:38,398 INFO L470 AbstractCegarLoop]: Abstraction has 6081 states and 7197 transitions. [2021-08-25 22:17:38,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 71.75) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:38,399 INFO L276 IsEmpty]: Start isEmpty. Operand 6081 states and 7197 transitions. [2021-08-25 22:17:38,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-08-25 22:17:38,403 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:38,403 INFO L512 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:17:38,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 22:17:38,403 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:38,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:38,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1076396748, now seen corresponding path program 1 times [2021-08-25 22:17:38,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:38,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925322998] [2021-08-25 22:17:38,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:38,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:38,552 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:17:38,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:38,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925322998] [2021-08-25 22:17:38,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925322998] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:38,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:38,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:17:38,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819252105] [2021-08-25 22:17:38,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:38,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:38,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:38,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:38,562 INFO L87 Difference]: Start difference. First operand 6081 states and 7197 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:40,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:40,056 INFO L93 Difference]: Finished difference Result 15157 states and 18286 transitions. [2021-08-25 22:17:40,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:40,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 324 [2021-08-25 22:17:40,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:40,083 INFO L225 Difference]: With dead ends: 15157 [2021-08-25 22:17:40,083 INFO L226 Difference]: Without dead ends: 9078 [2021-08-25 22:17:40,090 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:40,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9078 states. [2021-08-25 22:17:40,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9078 to 9073. [2021-08-25 22:17:40,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9073 states, 9072 states have (on average 1.1460537918871252) internal successors, (10397), 9072 states have internal predecessors, (10397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:40,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9073 states to 9073 states and 10397 transitions. [2021-08-25 22:17:40,247 INFO L78 Accepts]: Start accepts. Automaton has 9073 states and 10397 transitions. Word has length 324 [2021-08-25 22:17:40,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:40,249 INFO L470 AbstractCegarLoop]: Abstraction has 9073 states and 10397 transitions. [2021-08-25 22:17:40,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:40,250 INFO L276 IsEmpty]: Start isEmpty. Operand 9073 states and 10397 transitions. [2021-08-25 22:17:40,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-08-25 22:17:40,254 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:40,255 INFO L512 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, 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] [2021-08-25 22:17:40,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-25 22:17:40,256 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:40,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:40,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1202719056, now seen corresponding path program 1 times [2021-08-25 22:17:40,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:40,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542993115] [2021-08-25 22:17:40,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:40,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:40,418 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-08-25 22:17:40,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:40,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542993115] [2021-08-25 22:17:40,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542993115] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:40,419 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:40,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:17:40,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893857892] [2021-08-25 22:17:40,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:40,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:40,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:40,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:40,421 INFO L87 Difference]: Start difference. First operand 9073 states and 10397 transitions. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 2 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:41,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:41,788 INFO L93 Difference]: Finished difference Result 18443 states and 21095 transitions. [2021-08-25 22:17:41,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:41,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 2 states have internal predecessors, (286), 0 states have call successors, (0), 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 337 [2021-08-25 22:17:41,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:41,813 INFO L225 Difference]: With dead ends: 18443 [2021-08-25 22:17:41,814 INFO L226 Difference]: Without dead ends: 9372 [2021-08-25 22:17:41,823 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:41,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9372 states. [2021-08-25 22:17:41,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9372 to 9372. [2021-08-25 22:17:41,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9372 states, 9371 states have (on average 1.1416070856898943) internal successors, (10698), 9371 states have internal predecessors, (10698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:41,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9372 states to 9372 states and 10698 transitions. [2021-08-25 22:17:41,979 INFO L78 Accepts]: Start accepts. Automaton has 9372 states and 10698 transitions. Word has length 337 [2021-08-25 22:17:41,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:41,980 INFO L470 AbstractCegarLoop]: Abstraction has 9372 states and 10698 transitions. [2021-08-25 22:17:41,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 2 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:41,981 INFO L276 IsEmpty]: Start isEmpty. Operand 9372 states and 10698 transitions. [2021-08-25 22:17:41,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-08-25 22:17:41,987 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:41,987 INFO L512 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:17:41,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-25 22:17:41,988 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:41,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:41,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1165623333, now seen corresponding path program 1 times [2021-08-25 22:17:41,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:41,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902534417] [2021-08-25 22:17:41,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:41,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:42,174 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-08-25 22:17:42,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:42,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902534417] [2021-08-25 22:17:42,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902534417] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:42,175 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:42,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:17:42,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250847476] [2021-08-25 22:17:42,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:42,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:42,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:42,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:42,182 INFO L87 Difference]: Start difference. First operand 9372 states and 10698 transitions. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:43,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:43,631 INFO L93 Difference]: Finished difference Result 21137 states and 24503 transitions. [2021-08-25 22:17:43,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:43,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 431 [2021-08-25 22:17:43,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:43,692 INFO L225 Difference]: With dead ends: 21137 [2021-08-25 22:17:43,693 INFO L226 Difference]: Without dead ends: 12066 [2021-08-25 22:17:43,700 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:43,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12066 states. [2021-08-25 22:17:43,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12066 to 10265. [2021-08-25 22:17:43,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10265 states, 10264 states have (on average 1.1389321901792673) internal successors, (11690), 10264 states have internal predecessors, (11690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:43,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10265 states to 10265 states and 11690 transitions. [2021-08-25 22:17:43,843 INFO L78 Accepts]: Start accepts. Automaton has 10265 states and 11690 transitions. Word has length 431 [2021-08-25 22:17:43,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:43,844 INFO L470 AbstractCegarLoop]: Abstraction has 10265 states and 11690 transitions. [2021-08-25 22:17:43,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:43,845 INFO L276 IsEmpty]: Start isEmpty. Operand 10265 states and 11690 transitions. [2021-08-25 22:17:43,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-08-25 22:17:43,847 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:43,848 INFO L512 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:17:43,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-25 22:17:43,848 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:43,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:43,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1389467139, now seen corresponding path program 1 times [2021-08-25 22:17:43,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:43,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942064422] [2021-08-25 22:17:43,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:43,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:44,086 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2021-08-25 22:17:44,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:44,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942064422] [2021-08-25 22:17:44,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942064422] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:44,087 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:44,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:17:44,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660319328] [2021-08-25 22:17:44,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:17:44,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:44,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:17:44,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:17:44,092 INFO L87 Difference]: Start difference. First operand 10265 states and 11690 transitions. Second operand has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:46,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:46,660 INFO L93 Difference]: Finished difference Result 24435 states and 27925 transitions. [2021-08-25 22:17:46,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:17:46,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 467 [2021-08-25 22:17:46,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:46,719 INFO L225 Difference]: With dead ends: 24435 [2021-08-25 22:17:46,720 INFO L226 Difference]: Without dead ends: 14172 [2021-08-25 22:17:46,729 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:17:46,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14172 states. [2021-08-25 22:17:46,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14172 to 10267. [2021-08-25 22:17:46,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10267 states, 10266 states have (on average 1.1373465809468146) internal successors, (11676), 10266 states have internal predecessors, (11676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:46,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10267 states to 10267 states and 11676 transitions. [2021-08-25 22:17:46,927 INFO L78 Accepts]: Start accepts. Automaton has 10267 states and 11676 transitions. Word has length 467 [2021-08-25 22:17:46,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:46,928 INFO L470 AbstractCegarLoop]: Abstraction has 10267 states and 11676 transitions. [2021-08-25 22:17:46,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:46,928 INFO L276 IsEmpty]: Start isEmpty. Operand 10267 states and 11676 transitions. [2021-08-25 22:17:46,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2021-08-25 22:17:46,933 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:46,933 INFO L512 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:17:46,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-25 22:17:46,934 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:46,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:46,935 INFO L82 PathProgramCache]: Analyzing trace with hash 987014533, now seen corresponding path program 1 times [2021-08-25 22:17:46,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:46,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417101698] [2021-08-25 22:17:46,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:46,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:47,240 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 104 proven. 253 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-08-25 22:17:47,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:47,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417101698] [2021-08-25 22:17:47,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417101698] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:17:47,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293493236] [2021-08-25 22:17:47,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:47,241 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:17:47,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:17:47,248 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) [2021-08-25 22:17:47,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-25 22:17:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:47,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 22:17:47,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:17:49,073 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2021-08-25 22:17:49,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293493236] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:49,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:17:49,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-08-25 22:17:49,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324539036] [2021-08-25 22:17:49,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:49,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:49,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:49,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:17:49,075 INFO L87 Difference]: Start difference. First operand 10267 states and 11676 transitions. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:50,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:50,510 INFO L93 Difference]: Finished difference Result 21424 states and 24285 transitions. [2021-08-25 22:17:50,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:50,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 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 528 [2021-08-25 22:17:50,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:50,526 INFO L225 Difference]: With dead ends: 21424 [2021-08-25 22:17:50,526 INFO L226 Difference]: Without dead ends: 9664 [2021-08-25 22:17:50,536 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 533 GetRequests, 529 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.9ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:17:50,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9664 states. [2021-08-25 22:17:50,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9664 to 9365. [2021-08-25 22:17:50,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9365 states, 9364 states have (on average 1.0972874839812046) internal successors, (10275), 9364 states have internal predecessors, (10275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:50,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9365 states to 9365 states and 10275 transitions. [2021-08-25 22:17:50,648 INFO L78 Accepts]: Start accepts. Automaton has 9365 states and 10275 transitions. Word has length 528 [2021-08-25 22:17:50,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:50,649 INFO L470 AbstractCegarLoop]: Abstraction has 9365 states and 10275 transitions. [2021-08-25 22:17:50,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:50,649 INFO L276 IsEmpty]: Start isEmpty. Operand 9365 states and 10275 transitions. [2021-08-25 22:17:50,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-08-25 22:17:50,654 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:50,655 INFO L512 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:17:50,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-25 22:17:50,869 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,SelfDestructingSolverStorable10 [2021-08-25 22:17:50,869 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:50,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:50,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1919776586, now seen corresponding path program 1 times [2021-08-25 22:17:50,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:50,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698516665] [2021-08-25 22:17:50,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:50,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:51,154 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 104 proven. 306 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-08-25 22:17:51,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:51,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698516665] [2021-08-25 22:17:51,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698516665] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:17:51,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466577277] [2021-08-25 22:17:51,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:51,155 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:17:51,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:17:51,157 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) [2021-08-25 22:17:51,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-25 22:17:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:51,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 22:17:51,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:17:53,029 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2021-08-25 22:17:53,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466577277] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:53,030 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:17:53,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-08-25 22:17:53,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120908325] [2021-08-25 22:17:53,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:53,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:53,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:53,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:17:53,032 INFO L87 Difference]: Start difference. First operand 9365 states and 10275 transitions. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:54,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:54,051 INFO L93 Difference]: Finished difference Result 18425 states and 20240 transitions. [2021-08-25 22:17:54,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:54,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 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 581 [2021-08-25 22:17:54,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:54,063 INFO L225 Difference]: With dead ends: 18425 [2021-08-25 22:17:54,063 INFO L226 Difference]: Without dead ends: 9361 [2021-08-25 22:17:54,071 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 582 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 24.2ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:17:54,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9361 states. [2021-08-25 22:17:54,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9361 to 9062. [2021-08-25 22:17:54,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9062 states, 9061 states have (on average 1.064672773424567) internal successors, (9647), 9061 states have internal predecessors, (9647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:54,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9062 states to 9062 states and 9647 transitions. [2021-08-25 22:17:54,177 INFO L78 Accepts]: Start accepts. Automaton has 9062 states and 9647 transitions. Word has length 581 [2021-08-25 22:17:54,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:54,178 INFO L470 AbstractCegarLoop]: Abstraction has 9062 states and 9647 transitions. [2021-08-25 22:17:54,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:54,179 INFO L276 IsEmpty]: Start isEmpty. Operand 9062 states and 9647 transitions. [2021-08-25 22:17:54,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2021-08-25 22:17:54,186 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:54,187 INFO L512 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:17:54,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-25 22:17:54,400 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,SelfDestructingSolverStorable11 [2021-08-25 22:17:54,401 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:54,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:54,402 INFO L82 PathProgramCache]: Analyzing trace with hash 434787481, now seen corresponding path program 1 times [2021-08-25 22:17:54,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:54,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850761878] [2021-08-25 22:17:54,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:54,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:54,667 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-08-25 22:17:54,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:54,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850761878] [2021-08-25 22:17:54,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850761878] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:54,668 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:54,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:17:54,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779188249] [2021-08-25 22:17:54,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:54,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:54,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:54,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:54,670 INFO L87 Difference]: Start difference. First operand 9062 states and 9647 transitions. Second operand has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:55,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:55,854 INFO L93 Difference]: Finished difference Result 20835 states and 22190 transitions. [2021-08-25 22:17:55,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:55,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 670 [2021-08-25 22:17:55,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:55,868 INFO L225 Difference]: With dead ends: 20835 [2021-08-25 22:17:55,868 INFO L226 Difference]: Without dead ends: 12973 [2021-08-25 22:17:55,875 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:55,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12973 states. [2021-08-25 22:17:55,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12973 to 12663. [2021-08-25 22:17:55,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12663 states, 12662 states have (on average 1.0555204549044386) internal successors, (13365), 12662 states have internal predecessors, (13365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:56,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12663 states to 12663 states and 13365 transitions. [2021-08-25 22:17:56,013 INFO L78 Accepts]: Start accepts. Automaton has 12663 states and 13365 transitions. Word has length 670 [2021-08-25 22:17:56,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:56,014 INFO L470 AbstractCegarLoop]: Abstraction has 12663 states and 13365 transitions. [2021-08-25 22:17:56,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:56,014 INFO L276 IsEmpty]: Start isEmpty. Operand 12663 states and 13365 transitions. [2021-08-25 22:17:56,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2021-08-25 22:17:56,023 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:56,024 INFO L512 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:17:56,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-25 22:17:56,024 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:56,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:56,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1108444928, now seen corresponding path program 1 times [2021-08-25 22:17:56,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:56,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440248270] [2021-08-25 22:17:56,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:56,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 521 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2021-08-25 22:17:56,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:56,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440248270] [2021-08-25 22:17:56,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440248270] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:56,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:56,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:17:56,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352999613] [2021-08-25 22:17:56,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:56,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:56,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:56,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:56,279 INFO L87 Difference]: Start difference. First operand 12663 states and 13365 transitions. Second operand has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:57,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:57,280 INFO L93 Difference]: Finished difference Result 26820 states and 28377 transitions. [2021-08-25 22:17:57,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:57,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 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 686 [2021-08-25 22:17:57,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:57,296 INFO L225 Difference]: With dead ends: 26820 [2021-08-25 22:17:57,296 INFO L226 Difference]: Without dead ends: 14458 [2021-08-25 22:17:57,304 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:57,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14458 states. [2021-08-25 22:17:57,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14458 to 14157. [2021-08-25 22:17:57,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14157 states, 14156 states have (on average 1.0509324667985307) internal successors, (14877), 14156 states have internal predecessors, (14877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:57,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14157 states to 14157 states and 14877 transitions. [2021-08-25 22:17:57,462 INFO L78 Accepts]: Start accepts. Automaton has 14157 states and 14877 transitions. Word has length 686 [2021-08-25 22:17:57,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:57,463 INFO L470 AbstractCegarLoop]: Abstraction has 14157 states and 14877 transitions. [2021-08-25 22:17:57,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:57,463 INFO L276 IsEmpty]: Start isEmpty. Operand 14157 states and 14877 transitions. [2021-08-25 22:17:57,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2021-08-25 22:17:57,482 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:57,485 INFO L512 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, 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, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:17:57,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-25 22:17:57,485 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:57,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:57,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1969280993, now seen corresponding path program 1 times [2021-08-25 22:17:57,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:57,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366564836] [2021-08-25 22:17:57,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:57,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:57,795 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 588 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2021-08-25 22:17:57,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:57,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366564836] [2021-08-25 22:17:57,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366564836] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:57,796 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:57,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:17:57,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566783558] [2021-08-25 22:17:57,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:17:57,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:57,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:17:57,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:17:57,799 INFO L87 Difference]: Start difference. First operand 14157 states and 14877 transitions. Second operand has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:59,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:59,636 INFO L93 Difference]: Finished difference Result 32218 states and 33784 transitions. [2021-08-25 22:17:59,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:17:59,637 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 0 states have call successors, (0), 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 706 [2021-08-25 22:17:59,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:59,661 INFO L225 Difference]: With dead ends: 32218 [2021-08-25 22:17:59,661 INFO L226 Difference]: Without dead ends: 18962 [2021-08-25 22:17:59,677 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:17:59,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18962 states. [2021-08-25 22:17:59,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18962 to 14157. [2021-08-25 22:17:59,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14157 states, 14156 states have (on average 1.0509324667985307) internal successors, (14877), 14156 states have internal predecessors, (14877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14157 states to 14157 states and 14877 transitions. [2021-08-25 22:17:59,945 INFO L78 Accepts]: Start accepts. Automaton has 14157 states and 14877 transitions. Word has length 706 [2021-08-25 22:17:59,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:59,946 INFO L470 AbstractCegarLoop]: Abstraction has 14157 states and 14877 transitions. [2021-08-25 22:17:59,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:59,946 INFO L276 IsEmpty]: Start isEmpty. Operand 14157 states and 14877 transitions. [2021-08-25 22:17:59,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 727 [2021-08-25 22:17:59,961 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:59,961 INFO L512 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:17:59,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-25 22:17:59,962 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:59,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:59,962 INFO L82 PathProgramCache]: Analyzing trace with hash -2023005704, now seen corresponding path program 1 times [2021-08-25 22:17:59,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:59,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160219957] [2021-08-25 22:17:59,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:59,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:18:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:18:00,229 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 805 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2021-08-25 22:18:00,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:18:00,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160219957] [2021-08-25 22:18:00,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160219957] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:18:00,229 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:18:00,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:18:00,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333500726] [2021-08-25 22:18:00,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:18:00,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:18:00,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:18:00,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:18:00,232 INFO L87 Difference]: Start difference. First operand 14157 states and 14877 transitions. Second operand has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:01,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:18:01,354 INFO L93 Difference]: Finished difference Result 32197 states and 33927 transitions. [2021-08-25 22:18:01,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:18:01,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 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 726 [2021-08-25 22:18:01,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:18:01,375 INFO L225 Difference]: With dead ends: 32197 [2021-08-25 22:18:01,376 INFO L226 Difference]: Without dead ends: 18341 [2021-08-25 22:18:01,387 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:18:01,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18341 states. [2021-08-25 22:18:01,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18341 to 17145. [2021-08-25 22:18:01,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17145 states, 17144 states have (on average 1.0505132991133925) internal successors, (18010), 17144 states have internal predecessors, (18010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:01,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17145 states to 17145 states and 18010 transitions. [2021-08-25 22:18:01,643 INFO L78 Accepts]: Start accepts. Automaton has 17145 states and 18010 transitions. Word has length 726 [2021-08-25 22:18:01,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:18:01,644 INFO L470 AbstractCegarLoop]: Abstraction has 17145 states and 18010 transitions. [2021-08-25 22:18:01,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:01,644 INFO L276 IsEmpty]: Start isEmpty. Operand 17145 states and 18010 transitions. [2021-08-25 22:18:01,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 759 [2021-08-25 22:18:01,657 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:18:01,657 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:18:01,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-25 22:18:01,658 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:18:01,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:18:01,659 INFO L82 PathProgramCache]: Analyzing trace with hash -957069396, now seen corresponding path program 1 times [2021-08-25 22:18:01,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:18:01,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060337257] [2021-08-25 22:18:01,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:18:01,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:18:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:18:01,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 762 proven. 0 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2021-08-25 22:18:01,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:18:01,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060337257] [2021-08-25 22:18:01,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060337257] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:18:01,852 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:18:01,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:18:01,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258174858] [2021-08-25 22:18:01,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:18:01,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:18:01,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:18:01,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:18:01,854 INFO L87 Difference]: Start difference. First operand 17145 states and 18010 transitions. Second operand has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:02,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:18:02,867 INFO L93 Difference]: Finished difference Result 33987 states and 35686 transitions. [2021-08-25 22:18:02,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:18:02,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 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 758 [2021-08-25 22:18:02,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:18:02,884 INFO L225 Difference]: With dead ends: 33987 [2021-08-25 22:18:02,884 INFO L226 Difference]: Without dead ends: 17143 [2021-08-25 22:18:02,895 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:18:02,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17143 states. [2021-08-25 22:18:03,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17143 to 16844. [2021-08-25 22:18:03,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16844 states, 16843 states have (on average 1.0492192602268005) internal successors, (17672), 16843 states have internal predecessors, (17672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:03,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16844 states to 16844 states and 17672 transitions. [2021-08-25 22:18:03,040 INFO L78 Accepts]: Start accepts. Automaton has 16844 states and 17672 transitions. Word has length 758 [2021-08-25 22:18:03,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:18:03,041 INFO L470 AbstractCegarLoop]: Abstraction has 16844 states and 17672 transitions. [2021-08-25 22:18:03,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:03,041 INFO L276 IsEmpty]: Start isEmpty. Operand 16844 states and 17672 transitions. [2021-08-25 22:18:03,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 850 [2021-08-25 22:18:03,052 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:18:03,052 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:18:03,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-25 22:18:03,053 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:18:03,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:18:03,053 INFO L82 PathProgramCache]: Analyzing trace with hash -880788312, now seen corresponding path program 1 times [2021-08-25 22:18:03,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:18:03,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327147124] [2021-08-25 22:18:03,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:18:03,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:18:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:18:03,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1342 backedges. 753 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-08-25 22:18:03,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:18:03,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327147124] [2021-08-25 22:18:03,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327147124] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:18:03,321 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:18:03,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:18:03,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021362795] [2021-08-25 22:18:03,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:18:03,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:18:03,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:18:03,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:18:03,323 INFO L87 Difference]: Start difference. First operand 16844 states and 17672 transitions. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:04,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:18:04,416 INFO L93 Difference]: Finished difference Result 35468 states and 37203 transitions. [2021-08-25 22:18:04,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:18:04,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 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 849 [2021-08-25 22:18:04,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:18:04,438 INFO L225 Difference]: With dead ends: 35468 [2021-08-25 22:18:04,439 INFO L226 Difference]: Without dead ends: 18925 [2021-08-25 22:18:04,450 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:18:04,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18925 states. [2021-08-25 22:18:04,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18925 to 16831. [2021-08-25 22:18:04,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16831 states, 16830 states have (on average 1.047415329768271) internal successors, (17628), 16830 states have internal predecessors, (17628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:04,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16831 states to 16831 states and 17628 transitions. [2021-08-25 22:18:04,607 INFO L78 Accepts]: Start accepts. Automaton has 16831 states and 17628 transitions. Word has length 849 [2021-08-25 22:18:04,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:18:04,608 INFO L470 AbstractCegarLoop]: Abstraction has 16831 states and 17628 transitions. [2021-08-25 22:18:04,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:04,608 INFO L276 IsEmpty]: Start isEmpty. Operand 16831 states and 17628 transitions. [2021-08-25 22:18:04,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 885 [2021-08-25 22:18:04,623 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:18:04,623 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:18:04,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-25 22:18:04,624 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:18:04,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:18:04,624 INFO L82 PathProgramCache]: Analyzing trace with hash 378350950, now seen corresponding path program 1 times [2021-08-25 22:18:04,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:18:04,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201320346] [2021-08-25 22:18:04,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:18:04,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:18:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:18:05,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 842 proven. 188 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-08-25 22:18:05,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:18:05,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201320346] [2021-08-25 22:18:05,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201320346] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:18:05,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715282773] [2021-08-25 22:18:05,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:18:05,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:18:05,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:18:05,029 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:18:05,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-25 22:18:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:18:05,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-25 22:18:05,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:18:09,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 1239 proven. 2 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2021-08-25 22:18:09,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715282773] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:18:09,191 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:18:09,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-08-25 22:18:09,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584138960] [2021-08-25 22:18:09,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-25 22:18:09,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:18:09,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-25 22:18:09,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-08-25 22:18:09,193 INFO L87 Difference]: Start difference. First operand 16831 states and 17628 transitions. Second operand has 8 states, 8 states have (on average 139.625) internal successors, (1117), 8 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:13,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:18:13,211 INFO L93 Difference]: Finished difference Result 36903 states and 38571 transitions. [2021-08-25 22:18:13,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-25 22:18:13,212 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 139.625) internal successors, (1117), 8 states have internal predecessors, (1117), 0 states have call successors, (0), 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 884 [2021-08-25 22:18:13,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:18:13,234 INFO L225 Difference]: With dead ends: 36903 [2021-08-25 22:18:13,234 INFO L226 Difference]: Without dead ends: 20373 [2021-08-25 22:18:13,246 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 908 GetRequests, 891 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 178.2ms TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2021-08-25 22:18:13,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20373 states. [2021-08-25 22:18:13,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20373 to 17728. [2021-08-25 22:18:13,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17728 states, 17727 states have (on average 1.0453545439160603) internal successors, (18531), 17727 states have internal predecessors, (18531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:13,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17728 states to 17728 states and 18531 transitions. [2021-08-25 22:18:13,459 INFO L78 Accepts]: Start accepts. Automaton has 17728 states and 18531 transitions. Word has length 884 [2021-08-25 22:18:13,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:18:13,460 INFO L470 AbstractCegarLoop]: Abstraction has 17728 states and 18531 transitions. [2021-08-25 22:18:13,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 139.625) internal successors, (1117), 8 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:13,460 INFO L276 IsEmpty]: Start isEmpty. Operand 17728 states and 18531 transitions. [2021-08-25 22:18:13,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 903 [2021-08-25 22:18:13,471 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:18:13,471 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:18:13,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-25 22:18:13,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:18:13,684 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:18:13,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:18:13,685 INFO L82 PathProgramCache]: Analyzing trace with hash -542640556, now seen corresponding path program 1 times [2021-08-25 22:18:13,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:18:13,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199850156] [2021-08-25 22:18:13,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:18:13,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:18:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:18:13,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1497 backedges. 767 proven. 0 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2021-08-25 22:18:13,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:18:13,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199850156] [2021-08-25 22:18:13,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199850156] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:18:13,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:18:13,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:18:13,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129742672] [2021-08-25 22:18:13,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:18:13,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:18:13,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:18:13,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:18:13,994 INFO L87 Difference]: Start difference. First operand 17728 states and 18531 transitions. Second operand has 4 states, 4 states have (on average 121.25) internal successors, (485), 4 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:15,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:18:15,829 INFO L93 Difference]: Finished difference Result 41754 states and 43560 transitions. [2021-08-25 22:18:15,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:18:15,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 121.25) internal successors, (485), 4 states have internal predecessors, (485), 0 states have call successors, (0), 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 902 [2021-08-25 22:18:15,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:18:15,854 INFO L225 Difference]: With dead ends: 41754 [2021-08-25 22:18:15,854 INFO L226 Difference]: Without dead ends: 24028 [2021-08-25 22:18:15,865 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:18:15,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24028 states. [2021-08-25 22:18:16,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24028 to 21024. [2021-08-25 22:18:16,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21024 states, 21023 states have (on average 1.04257242068211) internal successors, (21918), 21023 states have internal predecessors, (21918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:16,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21024 states to 21024 states and 21918 transitions. [2021-08-25 22:18:16,170 INFO L78 Accepts]: Start accepts. Automaton has 21024 states and 21918 transitions. Word has length 902 [2021-08-25 22:18:16,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:18:16,171 INFO L470 AbstractCegarLoop]: Abstraction has 21024 states and 21918 transitions. [2021-08-25 22:18:16,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 121.25) internal successors, (485), 4 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:16,172 INFO L276 IsEmpty]: Start isEmpty. Operand 21024 states and 21918 transitions. [2021-08-25 22:18:16,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 932 [2021-08-25 22:18:16,188 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:18:16,188 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:18:16,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-25 22:18:16,189 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:18:16,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:18:16,189 INFO L82 PathProgramCache]: Analyzing trace with hash 411928055, now seen corresponding path program 1 times [2021-08-25 22:18:16,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:18:16,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637098857] [2021-08-25 22:18:16,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:18:16,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:18:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:18:16,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1589 backedges. 1069 proven. 143 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-08-25 22:18:16,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:18:16,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637098857] [2021-08-25 22:18:16,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637098857] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:18:16,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450644963] [2021-08-25 22:18:16,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:18:16,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:18:16,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:18:16,515 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:18:16,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-25 22:18:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:18:17,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-25 22:18:17,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:18:21,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1589 backedges. 782 proven. 0 refuted. 0 times theorem prover too weak. 807 trivial. 0 not checked. [2021-08-25 22:18:21,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450644963] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:18:21,564 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:18:21,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2021-08-25 22:18:21,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766463139] [2021-08-25 22:18:21,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:18:21,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:18:21,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:18:21,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:18:21,568 INFO L87 Difference]: Start difference. First operand 21024 states and 21918 transitions. Second operand has 4 states, 4 states have (on average 120.75) internal successors, (483), 4 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:23,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:18:23,393 INFO L93 Difference]: Finished difference Result 46551 states and 48466 transitions. [2021-08-25 22:18:23,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:18:23,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 120.75) internal successors, (483), 4 states have internal predecessors, (483), 0 states have call successors, (0), 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 931 [2021-08-25 22:18:23,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:18:23,419 INFO L225 Difference]: With dead ends: 46551 [2021-08-25 22:18:23,420 INFO L226 Difference]: Without dead ends: 25529 [2021-08-25 22:18:23,433 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 935 GetRequests, 930 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 15.2ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:18:23,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25529 states. [2021-08-25 22:18:23,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25529 to 20426. [2021-08-25 22:18:23,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20426 states, 20425 states have (on average 1.043231334149327) internal successors, (21308), 20425 states have internal predecessors, (21308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:23,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20426 states to 20426 states and 21308 transitions. [2021-08-25 22:18:23,638 INFO L78 Accepts]: Start accepts. Automaton has 20426 states and 21308 transitions. Word has length 931 [2021-08-25 22:18:23,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:18:23,639 INFO L470 AbstractCegarLoop]: Abstraction has 20426 states and 21308 transitions. [2021-08-25 22:18:23,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.75) internal successors, (483), 4 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:23,639 INFO L276 IsEmpty]: Start isEmpty. Operand 20426 states and 21308 transitions. [2021-08-25 22:18:23,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 994 [2021-08-25 22:18:23,652 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:18:23,652 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:18:23,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-25 22:18:23,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:18:23,857 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:18:23,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:18:23,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1083452368, now seen corresponding path program 1 times [2021-08-25 22:18:23,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:18:23,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726075988] [2021-08-25 22:18:23,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:18:23,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:18:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:18:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1631 backedges. 959 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2021-08-25 22:18:24,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:18:24,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726075988] [2021-08-25 22:18:24,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726075988] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:18:24,124 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:18:24,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:18:24,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967155573] [2021-08-25 22:18:24,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:18:24,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:18:24,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:18:24,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:18:24,127 INFO L87 Difference]: Start difference. First operand 20426 states and 21308 transitions. Second operand has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:25,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:18:25,220 INFO L93 Difference]: Finished difference Result 40849 states and 42624 transitions. [2021-08-25 22:18:25,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:18:25,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 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 993 [2021-08-25 22:18:25,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:18:25,240 INFO L225 Difference]: With dead ends: 40849 [2021-08-25 22:18:25,240 INFO L226 Difference]: Without dead ends: 21023 [2021-08-25 22:18:25,251 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:18:25,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21023 states. [2021-08-25 22:18:25,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21023 to 20425. [2021-08-25 22:18:25,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20425 states, 20424 states have (on average 1.0431844888366628) internal successors, (21306), 20424 states have internal predecessors, (21306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:25,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20425 states to 20425 states and 21306 transitions. [2021-08-25 22:18:25,433 INFO L78 Accepts]: Start accepts. Automaton has 20425 states and 21306 transitions. Word has length 993 [2021-08-25 22:18:25,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:18:25,434 INFO L470 AbstractCegarLoop]: Abstraction has 20425 states and 21306 transitions. [2021-08-25 22:18:25,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:25,434 INFO L276 IsEmpty]: Start isEmpty. Operand 20425 states and 21306 transitions. [2021-08-25 22:18:25,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1015 [2021-08-25 22:18:25,446 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:18:25,446 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:18:25,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-25 22:18:25,447 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:18:25,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:18:25,447 INFO L82 PathProgramCache]: Analyzing trace with hash 20026544, now seen corresponding path program 1 times [2021-08-25 22:18:25,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:18:25,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110404610] [2021-08-25 22:18:25,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:18:25,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:18:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:18:25,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 1062 proven. 105 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-08-25 22:18:25,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:18:25,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110404610] [2021-08-25 22:18:25,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110404610] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:18:25,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819943105] [2021-08-25 22:18:25,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:18:25,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:18:25,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:18:25,761 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:18:25,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-25 22:18:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:18:27,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-25 22:18:27,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:18:29,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 678 proven. 0 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2021-08-25 22:18:29,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819943105] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:18:29,609 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:18:29,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2021-08-25 22:18:29,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402352225] [2021-08-25 22:18:29,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:18:29,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:18:29,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:18:29,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:18:29,611 INFO L87 Difference]: Start difference. First operand 20425 states and 21306 transitions. Second operand has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:31,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:18:31,475 INFO L93 Difference]: Finished difference Result 51338 states and 53557 transitions. [2021-08-25 22:18:31,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:18:31,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 0 states have call successors, (0), 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 1014 [2021-08-25 22:18:31,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:18:31,507 INFO L225 Difference]: With dead ends: 51338 [2021-08-25 22:18:31,507 INFO L226 Difference]: Without dead ends: 31214 [2021-08-25 22:18:31,520 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1018 GetRequests, 1014 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 11.5ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:18:31,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31214 states. [2021-08-25 22:18:31,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31214 to 25512. [2021-08-25 22:18:31,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25512 states, 25511 states have (on average 1.0470777311747874) internal successors, (26712), 25511 states have internal predecessors, (26712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:31,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25512 states to 25512 states and 26712 transitions. [2021-08-25 22:18:31,824 INFO L78 Accepts]: Start accepts. Automaton has 25512 states and 26712 transitions. Word has length 1014 [2021-08-25 22:18:31,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:18:31,825 INFO L470 AbstractCegarLoop]: Abstraction has 25512 states and 26712 transitions. [2021-08-25 22:18:31,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:31,826 INFO L276 IsEmpty]: Start isEmpty. Operand 25512 states and 26712 transitions. [2021-08-25 22:18:31,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1054 [2021-08-25 22:18:31,842 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:18:31,843 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:18:31,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-25 22:18:32,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-08-25 22:18:32,057 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:18:32,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:18:32,058 INFO L82 PathProgramCache]: Analyzing trace with hash 502836976, now seen corresponding path program 1 times [2021-08-25 22:18:32,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:18:32,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700902858] [2021-08-25 22:18:32,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:18:32,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:18:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:18:32,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 1338 proven. 0 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2021-08-25 22:18:32,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:18:32,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700902858] [2021-08-25 22:18:32,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700902858] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:18:32,354 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:18:32,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:18:32,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671472987] [2021-08-25 22:18:32,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:18:32,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:18:32,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:18:32,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:18:32,356 INFO L87 Difference]: Start difference. First operand 25512 states and 26712 transitions. Second operand has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:33,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:18:33,658 INFO L93 Difference]: Finished difference Result 57915 states and 60628 transitions. [2021-08-25 22:18:33,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:18:33,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 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 1053 [2021-08-25 22:18:33,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:18:33,691 INFO L225 Difference]: With dead ends: 57915 [2021-08-25 22:18:33,692 INFO L226 Difference]: Without dead ends: 33003 [2021-08-25 22:18:33,709 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:18:33,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33003 states. [2021-08-25 22:18:33,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33003 to 30298. [2021-08-25 22:18:34,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30298 states, 30297 states have (on average 1.0430735716407564) internal successors, (31602), 30297 states have internal predecessors, (31602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:34,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30298 states to 30298 states and 31602 transitions. [2021-08-25 22:18:34,037 INFO L78 Accepts]: Start accepts. Automaton has 30298 states and 31602 transitions. Word has length 1053 [2021-08-25 22:18:34,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:18:34,038 INFO L470 AbstractCegarLoop]: Abstraction has 30298 states and 31602 transitions. [2021-08-25 22:18:34,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:34,038 INFO L276 IsEmpty]: Start isEmpty. Operand 30298 states and 31602 transitions. [2021-08-25 22:18:34,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1061 [2021-08-25 22:18:34,058 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:18:34,059 INFO L512 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, 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, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:18:34,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-25 22:18:34,059 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:18:34,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:18:34,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1877204560, now seen corresponding path program 1 times [2021-08-25 22:18:34,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:18:34,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924436845] [2021-08-25 22:18:34,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:18:34,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:18:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:18:34,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2454 backedges. 1375 proven. 0 refuted. 0 times theorem prover too weak. 1079 trivial. 0 not checked. [2021-08-25 22:18:34,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:18:34,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924436845] [2021-08-25 22:18:34,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924436845] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:18:34,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:18:34,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:18:34,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936355265] [2021-08-25 22:18:34,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:18:34,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:18:34,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:18:34,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:18:34,316 INFO L87 Difference]: Start difference. First operand 30298 states and 31602 transitions. Second operand has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:35,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:18:35,373 INFO L93 Difference]: Finished difference Result 59995 states and 62599 transitions. [2021-08-25 22:18:35,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:18:35,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 0 states have call successors, (0), 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 1060 [2021-08-25 22:18:35,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:18:35,403 INFO L225 Difference]: With dead ends: 59995 [2021-08-25 22:18:35,403 INFO L226 Difference]: Without dead ends: 30297 [2021-08-25 22:18:35,421 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:18:35,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30297 states. [2021-08-25 22:18:35,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30297 to 29998. [2021-08-25 22:18:35,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29998 states, 29997 states have (on average 1.0383705037170383) internal successors, (31148), 29997 states have internal predecessors, (31148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:35,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29998 states to 29998 states and 31148 transitions. [2021-08-25 22:18:35,815 INFO L78 Accepts]: Start accepts. Automaton has 29998 states and 31148 transitions. Word has length 1060 [2021-08-25 22:18:35,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:18:35,816 INFO L470 AbstractCegarLoop]: Abstraction has 29998 states and 31148 transitions. [2021-08-25 22:18:35,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:35,816 INFO L276 IsEmpty]: Start isEmpty. Operand 29998 states and 31148 transitions. [2021-08-25 22:18:35,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1139 [2021-08-25 22:18:35,840 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:18:35,841 INFO L512 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:18:35,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-08-25 22:18:35,841 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:18:35,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:18:35,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1417750952, now seen corresponding path program 1 times [2021-08-25 22:18:35,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:18:35,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442839332] [2021-08-25 22:18:35,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:18:35,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:18:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:18:36,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2246 backedges. 1222 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2021-08-25 22:18:36,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:18:36,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442839332] [2021-08-25 22:18:36,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442839332] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:18:36,174 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:18:36,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:18:36,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012666179] [2021-08-25 22:18:36,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:18:36,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:18:36,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:18:36,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:18:36,177 INFO L87 Difference]: Start difference. First operand 29998 states and 31148 transitions. Second operand has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:37,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:18:37,545 INFO L93 Difference]: Finished difference Result 68694 states and 71289 transitions. [2021-08-25 22:18:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:18:37,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 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 1138 [2021-08-25 22:18:37,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:18:37,586 INFO L225 Difference]: With dead ends: 68694 [2021-08-25 22:18:37,586 INFO L226 Difference]: Without dead ends: 39296 [2021-08-25 22:18:37,602 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:18:37,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39296 states. [2021-08-25 22:18:37,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39296 to 35392. [2021-08-25 22:18:37,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35392 states, 35391 states have (on average 1.036647735299935) internal successors, (36688), 35391 states have internal predecessors, (36688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:38,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35392 states to 35392 states and 36688 transitions. [2021-08-25 22:18:38,100 INFO L78 Accepts]: Start accepts. Automaton has 35392 states and 36688 transitions. Word has length 1138 [2021-08-25 22:18:38,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:18:38,101 INFO L470 AbstractCegarLoop]: Abstraction has 35392 states and 36688 transitions. [2021-08-25 22:18:38,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:38,102 INFO L276 IsEmpty]: Start isEmpty. Operand 35392 states and 36688 transitions. [2021-08-25 22:18:38,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1154 [2021-08-25 22:18:38,120 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:18:38,120 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:18:38,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-08-25 22:18:38,121 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:18:38,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:18:38,122 INFO L82 PathProgramCache]: Analyzing trace with hash -829833877, now seen corresponding path program 1 times [2021-08-25 22:18:38,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:18:38,122 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106525071] [2021-08-25 22:18:38,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:18:38,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:18:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:18:38,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1971 backedges. 1333 proven. 155 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-08-25 22:18:38,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:18:38,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106525071] [2021-08-25 22:18:38,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106525071] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:18:38,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647181942] [2021-08-25 22:18:38,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:18:38,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:18:38,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:18:38,644 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:18:38,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-25 22:18:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:18:40,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 1331 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-25 22:18:40,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:18:45,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1971 backedges. 1073 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2021-08-25 22:18:45,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647181942] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:18:45,249 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:18:45,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-08-25 22:18:45,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155748436] [2021-08-25 22:18:45,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:18:45,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:18:45,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:18:45,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:18:45,252 INFO L87 Difference]: Start difference. First operand 35392 states and 36688 transitions. Second operand has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:47,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:18:47,506 INFO L93 Difference]: Finished difference Result 77379 states and 80098 transitions. [2021-08-25 22:18:47,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:18:47,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 0 states have call successors, (0), 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 1153 [2021-08-25 22:18:47,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:18:47,548 INFO L225 Difference]: With dead ends: 77379 [2021-08-25 22:18:47,548 INFO L226 Difference]: Without dead ends: 42288 [2021-08-25 22:18:47,569 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1157 GetRequests, 1152 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 33.5ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:18:47,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42288 states. [2021-08-25 22:18:47,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42288 to 35392. [2021-08-25 22:18:47,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35392 states, 35391 states have (on average 1.036647735299935) internal successors, (36688), 35391 states have internal predecessors, (36688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:47,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35392 states to 35392 states and 36688 transitions. [2021-08-25 22:18:47,929 INFO L78 Accepts]: Start accepts. Automaton has 35392 states and 36688 transitions. Word has length 1153 [2021-08-25 22:18:47,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:18:47,930 INFO L470 AbstractCegarLoop]: Abstraction has 35392 states and 36688 transitions. [2021-08-25 22:18:47,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:47,930 INFO L276 IsEmpty]: Start isEmpty. Operand 35392 states and 36688 transitions. [2021-08-25 22:18:47,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1191 [2021-08-25 22:18:47,947 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:18:47,948 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:18:47,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-25 22:18:48,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-08-25 22:18:48,149 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:18:48,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:18:48,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1950595044, now seen corresponding path program 1 times [2021-08-25 22:18:48,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:18:48,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314668026] [2021-08-25 22:18:48,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:18:48,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:18:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:18:48,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 1407 proven. 192 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-08-25 22:18:48,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:18:48,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314668026] [2021-08-25 22:18:48,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314668026] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:18:48,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745329970] [2021-08-25 22:18:48,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:18:48,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:18:48,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:18:48,621 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:18:48,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-25 22:18:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:18:51,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 1368 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-25 22:18:51,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:18:55,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 1110 proven. 0 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2021-08-25 22:18:55,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745329970] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:18:55,391 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:18:55,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-08-25 22:18:55,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415569312] [2021-08-25 22:18:55,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:18:55,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:18:55,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:18:55,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:18:55,393 INFO L87 Difference]: Start difference. First operand 35392 states and 36688 transitions. Second operand has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:56,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:18:56,740 INFO L93 Difference]: Finished difference Result 50989 states and 52541 transitions. [2021-08-25 22:18:56,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:18:56,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 0 states have call successors, (0), 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 1190 [2021-08-25 22:18:56,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:18:56,742 INFO L225 Difference]: With dead ends: 50989 [2021-08-25 22:18:56,742 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 22:18:56,758 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1194 GetRequests, 1189 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 17.6ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:18:56,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 22:18:56,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 22:18:56,758 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) [2021-08-25 22:18:56,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 22:18:56,758 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1190 [2021-08-25 22:18:56,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:18:56,758 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 22:18:56,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:18:56,759 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 22:18:56,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 22:18:56,761 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 22:18:56,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-25 22:18:56,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:18:56,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 22:18:56,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:18:56,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:18:57,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:18:58,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:19:06,760 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,760 INFO L857 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,760 INFO L857 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,760 INFO L857 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-08-25 22:19:06,760 INFO L857 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,760 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,760 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-08-25 22:19:06,760 INFO L857 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-08-25 22:19:06,760 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,760 INFO L857 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,760 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,760 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-08-25 22:19:06,760 INFO L857 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,760 INFO L857 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,760 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,760 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,761 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-08-25 22:19:06,762 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-08-25 22:19:06,763 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-08-25 22:19:06,764 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,764 INFO L857 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,764 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,764 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,764 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,764 INFO L857 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-08-25 22:19:06,764 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,764 INFO L857 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,764 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-08-25 22:19:06,764 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 22:19:06,764 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2021-08-25 22:19:06,764 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,764 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-08-25 22:19:06,764 INFO L857 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,764 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,765 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,766 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-08-25 22:19:06,766 INFO L857 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,766 INFO L857 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-08-25 22:19:06,766 INFO L857 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-08-25 22:19:06,766 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-08-25 22:19:06,766 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-08-25 22:19:06,766 INFO L857 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-08-25 22:19:06,767 INFO L857 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-08-25 22:19:06,767 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,767 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,767 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,767 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,767 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-08-25 22:19:06,767 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-08-25 22:19:06,767 INFO L857 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,767 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-08-25 22:19:06,768 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,768 INFO L857 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,768 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,768 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,768 INFO L857 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,768 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,768 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-08-25 22:19:06,769 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,769 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,769 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,769 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,769 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,769 INFO L857 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-08-25 22:19:06,769 INFO L857 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-08-25 22:19:06,769 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,770 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-08-25 22:19:06,770 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-08-25 22:19:06,770 INFO L857 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-08-25 22:19:06,770 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,770 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-08-25 22:19:06,770 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-08-25 22:19:06,770 INFO L857 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,770 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,771 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,771 INFO L857 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,771 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-08-25 22:19:06,771 INFO L857 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-08-25 22:19:06,771 INFO L857 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,771 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,771 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,771 INFO L857 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-08-25 22:19:06,771 INFO L857 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-08-25 22:19:06,772 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,772 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-08-25 22:19:06,772 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,772 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,772 INFO L857 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,772 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,772 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,772 INFO L857 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,773 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-08-25 22:19:06,773 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,773 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,773 INFO L857 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-08-25 22:19:06,773 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,773 INFO L857 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,773 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,773 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,773 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-08-25 22:19:06,774 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,774 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,774 INFO L857 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,774 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,774 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,774 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-08-25 22:19:06,774 INFO L857 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,774 INFO L857 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,775 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,775 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,775 INFO L857 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-08-25 22:19:06,775 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,775 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,775 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 22:19:06,775 INFO L857 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,775 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-08-25 22:19:06,775 INFO L857 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-08-25 22:19:06,776 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,776 INFO L857 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,776 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-08-25 22:19:06,776 INFO L857 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,776 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,776 INFO L857 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,776 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,776 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,777 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-08-25 22:19:06,777 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,777 INFO L857 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,777 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,777 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,777 INFO L857 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,777 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-08-25 22:19:06,777 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,778 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,778 INFO L857 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-08-25 22:19:06,778 INFO L857 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,778 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-08-25 22:19:06,778 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-08-25 22:19:06,778 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,778 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,778 INFO L857 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,778 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,779 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,779 INFO L857 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-08-25 22:19:06,779 INFO L857 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-08-25 22:19:06,779 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,779 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-08-25 22:19:06,779 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-08-25 22:19:06,779 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,779 INFO L857 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,780 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,780 INFO L857 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,780 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,780 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-08-25 22:19:06,780 INFO L857 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-08-25 22:19:06,780 INFO L857 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-08-25 22:19:06,780 INFO L857 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-08-25 22:19:06,780 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,780 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,781 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,781 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-08-25 22:19:06,781 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-08-25 22:19:06,781 INFO L857 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,781 INFO L857 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-08-25 22:19:06,782 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,782 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,783 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,783 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,783 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-08-25 22:19:06,783 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-08-25 22:19:06,783 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-08-25 22:19:06,783 INFO L857 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,783 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-08-25 22:19:06,783 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,783 INFO L857 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,784 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,784 INFO L857 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,785 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,785 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,785 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,786 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,786 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-08-25 22:19:06,786 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-08-25 22:19:06,786 INFO L857 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-08-25 22:19:06,786 INFO L857 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-08-25 22:19:06,786 INFO L857 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,787 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,787 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,787 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,788 INFO L853 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse16 (+ ~a29~0 127))) (let ((.cse2 (= 3 ~a2~0)) (.cse14 (<= (+ ~a0~0 61) 0)) (.cse13 (<= ~a29~0 15)) (.cse10 (<= 0 (+ 146 ~a0~0))) (.cse3 (= 2 ~a2~0)) (.cse1 (<= (+ 98 ~a0~0) 0)) (.cse7 (<= (+ ~a0~0 31779) 0)) (.cse8 (= 5 ~a2~0)) (.cse12 (<= ~a0~0 599946)) (.cse9 (< 43 ~a29~0)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse5 (<= (+ ~a0~0 147) 0)) (.cse6 (= ~a2~0 1)) (.cse4 (<= 0 .cse16)) (.cse11 (<= (+ 89 ~a4~0) 0)) (.cse17 (<= 4 ~a2~0)) (.cse19 (<= ~a0~0 599976)) (.cse18 (<= ~a2~0 4))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse0 .cse4 .cse6 .cse7) (and .cse0 .cse3 .cse5) (and .cse8 .cse9 .cse0 .cse1) (and .cse8 .cse0 .cse1 .cse10) (and .cse11 .cse12 .cse2) (and .cse13 .cse0 .cse10 .cse6 .cse14) (and .cse11 .cse14) (let ((.cse15 (+ 44 ~a0~0))) (and .cse4 .cse11 .cse6 (<= 0 .cse15) (<= .cse15 0) (<= .cse16 0))) (and .cse0 .cse6 (<= (+ ~a0~0 31780) 0)) (and (<= ~a0~0 599920) .cse11 .cse17 .cse18) (and .cse8 .cse13 .cse4 .cse11 .cse19) (and .cse0 .cse5 (= ~a2~0 4)) (and .cse3 .cse11 .cse12) (and .cse0 .cse1 .cse10 .cse6) (and .cse0 .cse3 .cse4 .cse1) (and .cse8 .cse0 .cse7) (and .cse8 .cse4 .cse11 .cse12) (and .cse9 .cse0 .cse5 .cse6) (and .cse4 .cse11 .cse17 .cse19 .cse18)))) [2021-08-25 22:19:06,788 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-08-25 22:19:06,788 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-08-25 22:19:06,788 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,788 INFO L857 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,788 INFO L857 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,789 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,789 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,789 INFO L857 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,789 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,789 INFO L857 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-08-25 22:19:06,789 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,789 INFO L857 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-08-25 22:19:06,789 INFO L860 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-08-25 22:19:06,789 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,789 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-08-25 22:19:06,789 INFO L857 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-08-25 22:19:06,789 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-08-25 22:19:06,789 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-08-25 22:19:06,789 INFO L857 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,789 INFO L857 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,789 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,789 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L853 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse18 (+ ~a29~0 127))) (let ((.cse7 (= 3 ~a2~0)) (.cse14 (<= ~a29~0 15)) (.cse16 (<= (+ ~a0~0 61) 0)) (.cse0 (= 5 ~a2~0)) (.cse12 (<= (+ ~a0~0 31779) 0)) (.cse3 (<= ~a0~0 599946)) (.cse13 (<= 0 (+ 146 ~a0~0))) (.cse8 (= 2 ~a2~0)) (.cse6 (<= (+ 98 ~a0~0) 0)) (.cse10 (< 43 ~a29~0)) (.cse5 (<= (+ 42 ~a4~0) 0)) (.cse9 (<= (+ ~a0~0 147) 0)) (.cse11 (= ~a2~0 1)) (.cse1 (<= 0 .cse18)) (.cse2 (<= (+ 89 ~a4~0) 0)) (.cse4 (<= 4 ~a2~0)) (.cse15 (<= ~a0~0 599976)) (.cse19 (<= ~a2~0 4))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse9) (and .cse0 .cse10 .cse5 .cse9 .cse4) (and .cse5 .cse1 .cse11 .cse12) (and .cse5 .cse8 .cse9) (and .cse0 .cse5 .cse6 .cse13) (and .cse0 .cse14 .cse1 .cse2 .cse4 .cse15) (and .cse2 .cse3 .cse7) (and .cse14 .cse5 .cse13 .cse11 .cse16) (and .cse2 .cse16) (let ((.cse17 (+ 44 ~a0~0))) (and .cse1 .cse2 .cse11 (<= 0 .cse17) (<= .cse17 0) (<= .cse18 0))) (and .cse5 .cse11 (<= (+ ~a0~0 31780) 0)) (and (<= ~a0~0 599920) .cse2 .cse4 .cse19) (and .cse5 .cse9 (= ~a2~0 4)) (and .cse0 .cse5 .cse9 .cse12 .cse4) (and .cse8 .cse2 .cse3) (and .cse5 .cse6 .cse13 .cse11) (and .cse5 .cse8 .cse1 .cse6) (and .cse10 .cse5 .cse9 .cse11) (and .cse1 .cse2 .cse4 .cse15 .cse19)))) [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,790 INFO L857 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-08-25 22:19:06,791 INFO L857 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,792 INFO L857 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L853 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse18 (+ ~a29~0 127))) (let ((.cse7 (= 3 ~a2~0)) (.cse14 (<= ~a29~0 15)) (.cse16 (<= (+ ~a0~0 61) 0)) (.cse0 (= 5 ~a2~0)) (.cse12 (<= (+ ~a0~0 31779) 0)) (.cse3 (<= ~a0~0 599946)) (.cse13 (<= 0 (+ 146 ~a0~0))) (.cse8 (= 2 ~a2~0)) (.cse6 (<= (+ 98 ~a0~0) 0)) (.cse10 (< 43 ~a29~0)) (.cse5 (<= (+ 42 ~a4~0) 0)) (.cse9 (<= (+ ~a0~0 147) 0)) (.cse11 (= ~a2~0 1)) (.cse1 (<= 0 .cse18)) (.cse2 (<= (+ 89 ~a4~0) 0)) (.cse4 (<= 4 ~a2~0)) (.cse15 (<= ~a0~0 599976)) (.cse19 (<= ~a2~0 4))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse9) (and .cse0 .cse10 .cse5 .cse9 .cse4) (and .cse5 .cse1 .cse11 .cse12) (and .cse5 .cse8 .cse9) (and .cse0 .cse5 .cse6 .cse13) (and .cse0 .cse14 .cse1 .cse2 .cse4 .cse15) (and .cse2 .cse3 .cse7) (and .cse14 .cse5 .cse13 .cse11 .cse16) (and .cse2 .cse16) (let ((.cse17 (+ 44 ~a0~0))) (and .cse1 .cse2 .cse11 (<= 0 .cse17) (<= .cse17 0) (<= .cse18 0))) (and .cse5 .cse11 (<= (+ ~a0~0 31780) 0)) (and (<= ~a0~0 599920) .cse2 .cse4 .cse19) (and .cse5 .cse9 (= ~a2~0 4)) (and .cse0 .cse5 .cse9 .cse12 .cse4) (and .cse8 .cse2 .cse3) (and .cse5 .cse6 .cse13 .cse11) (and .cse5 .cse8 .cse1 .cse6) (and .cse10 .cse5 .cse9 .cse11) (and .cse1 .cse2 .cse4 .cse15 .cse19)))) [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,793 INFO L857 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,794 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,794 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,794 INFO L857 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,794 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-08-25 22:19:06,794 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-08-25 22:19:06,794 INFO L857 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,794 INFO L857 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-08-25 22:19:06,794 INFO L857 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-08-25 22:19:06,794 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,794 INFO L857 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,794 INFO L857 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,795 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,795 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,795 INFO L857 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-08-25 22:19:06,795 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 22:19:06,795 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-08-25 22:19:06,795 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,795 INFO L857 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,795 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,795 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,795 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-08-25 22:19:06,795 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-08-25 22:19:06,795 INFO L857 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-08-25 22:19:06,795 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,795 INFO L857 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-08-25 22:19:06,795 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-08-25 22:19:06,795 INFO L857 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,796 INFO L857 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,796 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,796 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,796 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,796 INFO L857 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,796 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,796 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-08-25 22:19:06,796 INFO L857 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-08-25 22:19:06,796 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,796 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,796 INFO L857 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,796 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-08-25 22:19:06,796 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,796 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,796 INFO L857 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-08-25 22:19:06,797 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,797 INFO L857 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,797 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,797 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,797 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,797 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,797 INFO L857 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,797 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-08-25 22:19:06,797 INFO L857 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-08-25 22:19:06,798 INFO L857 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,798 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-08-25 22:19:06,798 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,798 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:19:06,798 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,798 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-08-25 22:19:06,798 INFO L857 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-08-25 22:19:06,803 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 22:19:06,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 10:19:06 BoogieIcfgContainer [2021-08-25 22:19:06,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 22:19:06,840 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 22:19:06,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 22:19:06,841 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 22:19:06,841 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:17:24" (3/4) ... [2021-08-25 22:19:06,844 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 22:19:06,872 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-25 22:19:06,874 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 22:19:06,876 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:19:06,878 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:19:07,037 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 22:19:07,037 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 22:19:07,038 INFO L168 Benchmark]: Toolchain (without parser) took 106863.00 ms. Allocated memory was 71.3 MB in the beginning and 2.4 GB in the end (delta: 2.3 GB). Free memory was 47.7 MB in the beginning and 1.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.1 GB. [2021-08-25 22:19:07,039 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 71.3 MB. Free memory was 51.9 MB in the beginning and 51.9 MB in the end (delta: 36.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 22:19:07,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 914.32 ms. Allocated memory was 71.3 MB in the beginning and 94.4 MB in the end (delta: 23.1 MB). Free memory was 47.5 MB in the beginning and 47.3 MB in the end (delta: 196.4 kB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-08-25 22:19:07,039 INFO L168 Benchmark]: Boogie Procedure Inliner took 213.90 ms. Allocated memory is still 94.4 MB. Free memory was 47.3 MB in the beginning and 41.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2021-08-25 22:19:07,040 INFO L168 Benchmark]: Boogie Preprocessor took 302.50 ms. Allocated memory is still 94.4 MB. Free memory was 41.2 MB in the beginning and 29.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2021-08-25 22:19:07,040 INFO L168 Benchmark]: RCFGBuilder took 2850.20 ms. Allocated memory was 94.4 MB in the beginning and 180.4 MB in the end (delta: 86.0 MB). Free memory was 29.5 MB in the beginning and 54.4 MB in the end (delta: -24.9 MB). Peak memory consumption was 66.1 MB. Max. memory is 16.1 GB. [2021-08-25 22:19:07,040 INFO L168 Benchmark]: TraceAbstraction took 102376.38 ms. Allocated memory was 180.4 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 53.4 MB in the beginning and 634.3 MB in the end (delta: -580.9 MB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. [2021-08-25 22:19:07,040 INFO L168 Benchmark]: Witness Printer took 196.77 ms. Allocated memory is still 2.4 GB. Free memory was 634.3 MB in the beginning and 1.9 GB in the end (delta: -1.3 GB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-08-25 22:19:07,042 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 71.3 MB. Free memory was 51.9 MB in the beginning and 51.9 MB in the end (delta: 36.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 914.32 ms. Allocated memory was 71.3 MB in the beginning and 94.4 MB in the end (delta: 23.1 MB). Free memory was 47.5 MB in the beginning and 47.3 MB in the end (delta: 196.4 kB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 213.90 ms. Allocated memory is still 94.4 MB. Free memory was 47.3 MB in the beginning and 41.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 302.50 ms. Allocated memory is still 94.4 MB. Free memory was 41.2 MB in the beginning and 29.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2850.20 ms. Allocated memory was 94.4 MB in the beginning and 180.4 MB in the end (delta: 86.0 MB). Free memory was 29.5 MB in the beginning and 54.4 MB in the end (delta: -24.9 MB). Peak memory consumption was 66.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 102376.38 ms. Allocated memory was 180.4 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 53.4 MB in the beginning and 634.3 MB in the end (delta: -580.9 MB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. * Witness Printer took 196.77 ms. Allocated memory is still 2.4 GB. Free memory was 634.3 MB in the beginning and 1.9 GB in the end (delta: -1.3 GB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 179]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 102288.1ms, OverallIterations: 28, TraceHistogramMax: 8, EmptinessCheckTime: 290.1ms, AutomataDifference: 47921.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 9786.1ms, InitialAbstractionConstructionTime: 24.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7658 SDtfs, 10896 SDslu, 1167 SDs, 0 SdLazy, 32726 SolverSat, 5282 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35140.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6391 GetRequests, 6322 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 381.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=35392occurred in iteration=26, InterpolantAutomatonStates: 108, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 5152.8ms AutomataMinimizationTime, 28 MinimizatonAttempts, 47710 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 228 NumberOfFragments, 1094 HoareAnnotationTreeSize, 4 FomulaSimplifications, 779200 FormulaSimplificationTreeSizeReduction, 1964.0ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 5488564 FormulaSimplificationTreeSizeReductionInter, 7807.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 886.5ms SsaConstructionTime, 2764.9ms SatisfiabilityAnalysisTime, 26602.0ms InterpolantComputationTime, 24511 NumberOfCodeBlocks, 24511 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 24476 ConstructedInterpolants, 104 QuantifiedInterpolants, 63667 SizeOfPredicates, 4 NumberOfNonLiveVariables, 7436 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 35 InterpolantComputations, 27 PerfectInterpolantSequences, 34994/36338 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) || ((2 == a2 && 0 <= a29 + 127) && a0 + 147 <= 0)) || (((42 + a4 <= 0 && 0 <= a29 + 127) && a2 == 1) && a0 + 31779 <= 0)) || ((42 + a4 <= 0 && 2 == a2) && a0 + 147 <= 0)) || (((5 == a2 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0)) || (((5 == a2 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0)) || ((89 + a4 <= 0 && a0 <= 599946) && 3 == a2)) || ((((a29 <= 15 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0)) || (89 + a4 <= 0 && a0 + 61 <= 0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || ((42 + a4 <= 0 && a2 == 1) && a0 + 31780 <= 0)) || (((a0 <= 599920 && 89 + a4 <= 0) && 4 <= a2) && a2 <= 4)) || ((((5 == a2 && a29 <= 15) && 0 <= a29 + 127) && 89 + a4 <= 0) && a0 <= 599976)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4)) || ((2 == a2 && 89 + a4 <= 0) && a0 <= 599946)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || (((42 + a4 <= 0 && 2 == a2) && 0 <= a29 + 127) && 98 + a0 <= 0)) || ((5 == a2 && 42 + a4 <= 0) && a0 + 31779 <= 0)) || (((5 == a2 && 0 <= a29 + 127) && 89 + a4 <= 0) && a0 <= 599946)) || (((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && 4 <= a2) && a0 <= 599976) && a2 <= 4) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((5 == a2 && 0 <= a29 + 127) && 89 + a4 <= 0) && a0 <= 599946) && 4 <= a2) || ((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2)) || ((2 == a2 && 0 <= a29 + 127) && a0 + 147 <= 0)) || ((((5 == a2 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0) && 4 <= a2)) || (((42 + a4 <= 0 && 0 <= a29 + 127) && a2 == 1) && a0 + 31779 <= 0)) || ((42 + a4 <= 0 && 2 == a2) && a0 + 147 <= 0)) || (((5 == a2 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0)) || (((((5 == a2 && a29 <= 15) && 0 <= a29 + 127) && 89 + a4 <= 0) && 4 <= a2) && a0 <= 599976)) || ((89 + a4 <= 0 && a0 <= 599946) && 3 == a2)) || ((((a29 <= 15 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0)) || (89 + a4 <= 0 && a0 + 61 <= 0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || ((42 + a4 <= 0 && a2 == 1) && a0 + 31780 <= 0)) || (((a0 <= 599920 && 89 + a4 <= 0) && 4 <= a2) && a2 <= 4)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4)) || ((((5 == a2 && 42 + a4 <= 0) && a0 + 147 <= 0) && a0 + 31779 <= 0) && 4 <= a2)) || ((2 == a2 && 89 + a4 <= 0) && a0 <= 599946)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || (((42 + a4 <= 0 && 2 == a2) && 0 <= a29 + 127) && 98 + a0 <= 0)) || (((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && 4 <= a2) && a0 <= 599976) && a2 <= 4) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((5 == a2 && 0 <= a29 + 127) && 89 + a4 <= 0) && a0 <= 599946) && 4 <= a2) || ((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2)) || ((2 == a2 && 0 <= a29 + 127) && a0 + 147 <= 0)) || ((((5 == a2 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0) && 4 <= a2)) || (((42 + a4 <= 0 && 0 <= a29 + 127) && a2 == 1) && a0 + 31779 <= 0)) || ((42 + a4 <= 0 && 2 == a2) && a0 + 147 <= 0)) || (((5 == a2 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0)) || (((((5 == a2 && a29 <= 15) && 0 <= a29 + 127) && 89 + a4 <= 0) && 4 <= a2) && a0 <= 599976)) || ((89 + a4 <= 0 && a0 <= 599946) && 3 == a2)) || ((((a29 <= 15 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0)) || (89 + a4 <= 0 && a0 + 61 <= 0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || ((42 + a4 <= 0 && a2 == 1) && a0 + 31780 <= 0)) || (((a0 <= 599920 && 89 + a4 <= 0) && 4 <= a2) && a2 <= 4)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4)) || ((((5 == a2 && 42 + a4 <= 0) && a0 + 147 <= 0) && a0 + 31779 <= 0) && 4 <= a2)) || ((2 == a2 && 89 + a4 <= 0) && a0 <= 599946)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || (((42 + a4 <= 0 && 2 == a2) && 0 <= a29 + 127) && 98 + a0 <= 0)) || (((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && 4 <= a2) && a0 <= 599976) && a2 <= 4) RESULT: Ultimate proved your program to be correct! [2021-08-25 22:19:07,082 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...