./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label59.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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/Problem16_label59.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd49ee55b8bfea9603e56979fc9b465dad3bc7ef ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:37:22,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 22:37:22,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 22:37:22,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 22:37:22,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 22:37:22,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 22:37:22,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 22:37:22,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 22:37:22,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 22:37:22,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 22:37:22,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 22:37:22,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 22:37:22,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 22:37:22,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 22:37:22,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 22:37:22,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 22:37:22,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 22:37:22,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 22:37:22,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 22:37:22,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 22:37:22,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 22:37:22,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 22:37:22,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 22:37:22,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 22:37:22,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 22:37:22,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 22:37:22,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 22:37:22,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 22:37:22,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 22:37:22,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 22:37:22,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 22:37:22,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 22:37:22,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 22:37:22,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 22:37:22,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 22:37:22,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 22:37:22,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 22:37:22,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 22:37:22,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 22:37:22,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 22:37:22,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 22:37:22,167 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 22:37:22,196 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 22:37:22,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 22:37:22,197 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 22:37:22,197 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 22:37:22,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 22:37:22,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 22:37:22,199 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 22:37:22,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 22:37:22,200 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 22:37:22,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 22:37:22,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 22:37:22,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 22:37:22,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 22:37:22,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 22:37:22,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 22:37:22,201 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 22:37:22,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 22:37:22,201 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 22:37:22,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 22:37:22,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 22:37:22,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 22:37:22,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 22:37:22,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:37:22,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 22:37:22,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 22:37:22,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 22:37:22,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 22:37:22,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 22:37:22,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 22:37:22,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 22:37:22,203 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd49ee55b8bfea9603e56979fc9b465dad3bc7ef [2021-08-25 22:37:22,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 22:37:22,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 22:37:22,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 22:37:22,504 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 22:37:22,504 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 22:37:22,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label59.c [2021-08-25 22:37:22,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edf58bad4/7b69da4b33a04f07bb42cf1625e5d543/FLAG92b806680 [2021-08-25 22:37:23,070 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 22:37:23,071 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label59.c [2021-08-25 22:37:23,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edf58bad4/7b69da4b33a04f07bb42cf1625e5d543/FLAG92b806680 [2021-08-25 22:37:23,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edf58bad4/7b69da4b33a04f07bb42cf1625e5d543 [2021-08-25 22:37:23,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 22:37:23,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 22:37:23,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 22:37:23,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 22:37:23,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 22:37:23,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:37:23" (1/1) ... [2021-08-25 22:37:23,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ac3414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:37:23, skipping insertion in model container [2021-08-25 22:37:23,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:37:23" (1/1) ... [2021-08-25 22:37:23,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 22:37:23,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 22:37:23,815 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/Problem16_label59.c[4713,4726] [2021-08-25 22:37:24,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:37:24,099 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 22:37:24,122 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/Problem16_label59.c[4713,4726] [2021-08-25 22:37:24,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:37:24,297 INFO L208 MainTranslator]: Completed translation [2021-08-25 22:37:24,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:37:24 WrapperNode [2021-08-25 22:37:24,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 22:37:24,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 22:37:24,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 22:37:24,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 22:37:24,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:37:24" (1/1) ... [2021-08-25 22:37:24,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:37:24" (1/1) ... [2021-08-25 22:37:24,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 22:37:24,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 22:37:24,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 22:37:24,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 22:37:24,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:37:24" (1/1) ... [2021-08-25 22:37:24,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:37:24" (1/1) ... [2021-08-25 22:37:24,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:37:24" (1/1) ... [2021-08-25 22:37:24,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:37:24" (1/1) ... [2021-08-25 22:37:24,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:37:24" (1/1) ... [2021-08-25 22:37:24,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:37:24" (1/1) ... [2021-08-25 22:37:24,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:37:24" (1/1) ... [2021-08-25 22:37:24,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 22:37:24,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 22:37:24,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 22:37:24,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 22:37:24,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:37:24" (1/1) ... [2021-08-25 22:37:24,557 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:37:24,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:37:24,575 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 22:37:24,595 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 22:37:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 22:37:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 22:37:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 22:37:24,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 22:37:26,191 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 22:37:26,191 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-25 22:37:26,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:37:26 BoogieIcfgContainer [2021-08-25 22:37:26,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 22:37:26,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 22:37:26,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 22:37:26,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 22:37:26,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 10:37:23" (1/3) ... [2021-08-25 22:37:26,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f55b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:37:26, skipping insertion in model container [2021-08-25 22:37:26,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:37:24" (2/3) ... [2021-08-25 22:37:26,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f55b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:37:26, skipping insertion in model container [2021-08-25 22:37:26,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:37:26" (3/3) ... [2021-08-25 22:37:26,199 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label59.c [2021-08-25 22:37:26,208 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 22:37:26,208 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 22:37:26,251 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 22:37:26,255 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 22:37:26,255 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 22:37:26,269 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:26,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-08-25 22:37:26,273 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:37:26,273 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] [2021-08-25 22:37:26,274 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:37:26,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:37:26,277 INFO L82 PathProgramCache]: Analyzing trace with hash 626000386, now seen corresponding path program 1 times [2021-08-25 22:37:26,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:37:26,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471207083] [2021-08-25 22:37:26,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:26,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:37:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:26,449 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 22:37:26,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:37:26,450 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471207083] [2021-08-25 22:37:26,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471207083] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:37:26,451 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:37:26,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:37:26,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697590787] [2021-08-25 22:37:26,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:37:26,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:37:26,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:37:26,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:26,465 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:27,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:37:27,944 INFO L93 Difference]: Finished difference Result 1137 states and 2118 transitions. [2021-08-25 22:37:27,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:37:27,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-08-25 22:37:27,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:37:27,962 INFO L225 Difference]: With dead ends: 1137 [2021-08-25 22:37:27,962 INFO L226 Difference]: Without dead ends: 662 [2021-08-25 22:37:27,965 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:27,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-08-25 22:37:28,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-08-25 22:37:28,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.7639939485627836) internal successors, (1166), 661 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:28,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1166 transitions. [2021-08-25 22:37:28,037 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1166 transitions. Word has length 44 [2021-08-25 22:37:28,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:37:28,037 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1166 transitions. [2021-08-25 22:37:28,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:28,037 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1166 transitions. [2021-08-25 22:37:28,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-08-25 22:37:28,039 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:37:28,039 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, 1, 1, 1, 1, 1, 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 22:37:28,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 22:37:28,040 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:37:28,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:37:28,040 INFO L82 PathProgramCache]: Analyzing trace with hash -228214936, now seen corresponding path program 1 times [2021-08-25 22:37:28,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:37:28,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975970805] [2021-08-25 22:37:28,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:28,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:37:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:28,105 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:37:28,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:37:28,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975970805] [2021-08-25 22:37:28,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975970805] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:37:28,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:37:28,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:37:28,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055809440] [2021-08-25 22:37:28,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:37:28,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:37:28,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:37:28,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:28,108 INFO L87 Difference]: Start difference. First operand 662 states and 1166 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:29,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:37:29,449 INFO L93 Difference]: Finished difference Result 1980 states and 3493 transitions. [2021-08-25 22:37:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:37:29,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2021-08-25 22:37:29,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:37:29,454 INFO L225 Difference]: With dead ends: 1980 [2021-08-25 22:37:29,454 INFO L226 Difference]: Without dead ends: 1320 [2021-08-25 22:37:29,456 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:29,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-08-25 22:37:29,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-08-25 22:37:29,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.6656557998483699) internal successors, (2197), 1319 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:29,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2197 transitions. [2021-08-25 22:37:29,476 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2197 transitions. Word has length 109 [2021-08-25 22:37:29,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:37:29,477 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 2197 transitions. [2021-08-25 22:37:29,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:29,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2197 transitions. [2021-08-25 22:37:29,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-08-25 22:37:29,479 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:37:29,479 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:37:29,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 22:37:29,479 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:37:29,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:37:29,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1921470884, now seen corresponding path program 1 times [2021-08-25 22:37:29,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:37:29,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507817614] [2021-08-25 22:37:29,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:29,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:37:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:29,559 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:37:29,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:37:29,559 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507817614] [2021-08-25 22:37:29,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507817614] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:37:29,560 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:37:29,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:37:29,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195879802] [2021-08-25 22:37:29,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:37:29,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:37:29,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:37:29,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:29,561 INFO L87 Difference]: Start difference. First operand 1320 states and 2197 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:31,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:37:31,047 INFO L93 Difference]: Finished difference Result 3625 states and 6017 transitions. [2021-08-25 22:37:31,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:37:31,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2021-08-25 22:37:31,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:37:31,057 INFO L225 Difference]: With dead ends: 3625 [2021-08-25 22:37:31,058 INFO L226 Difference]: Without dead ends: 2307 [2021-08-25 22:37:31,060 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:31,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2021-08-25 22:37:31,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307. [2021-08-25 22:37:31,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2307 states, 2306 states have (on average 1.5923677363399826) internal successors, (3672), 2306 states have internal predecessors, (3672), 0 states have call successors, (0), 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 22:37:31,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 3672 transitions. [2021-08-25 22:37:31,104 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 3672 transitions. Word has length 112 [2021-08-25 22:37:31,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:37:31,104 INFO L470 AbstractCegarLoop]: Abstraction has 2307 states and 3672 transitions. [2021-08-25 22:37:31,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:31,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 3672 transitions. [2021-08-25 22:37:31,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-08-25 22:37:31,106 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:37:31,106 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:37:31,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 22:37:31,107 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:37:31,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:37:31,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1971144876, now seen corresponding path program 1 times [2021-08-25 22:37:31,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:37:31,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688628713] [2021-08-25 22:37:31,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:31,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:37:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:31,194 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:37:31,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:37:31,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688628713] [2021-08-25 22:37:31,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688628713] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:37:31,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:37:31,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:37:31,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370691973] [2021-08-25 22:37:31,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:37:31,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:37:31,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:37:31,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:37:31,199 INFO L87 Difference]: Start difference. First operand 2307 states and 3672 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 22:37:33,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:37:33,404 INFO L93 Difference]: Finished difference Result 6257 states and 9781 transitions. [2021-08-25 22:37:33,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:37:33,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2021-08-25 22:37:33,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:37:33,424 INFO L225 Difference]: With dead ends: 6257 [2021-08-25 22:37:33,424 INFO L226 Difference]: Without dead ends: 3952 [2021-08-25 22:37:33,427 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:37:33,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-08-25 22:37:33,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-08-25 22:37:33,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.4312832194381169) internal successors, (5655), 3951 states have internal predecessors, (5655), 0 states have call successors, (0), 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 22:37:33,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 5655 transitions. [2021-08-25 22:37:33,485 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 5655 transitions. Word has length 117 [2021-08-25 22:37:33,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:37:33,485 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 5655 transitions. [2021-08-25 22:37:33,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 22:37:33,486 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 5655 transitions. [2021-08-25 22:37:33,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-08-25 22:37:33,488 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:37:33,488 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:37:33,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 22:37:33,489 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:37:33,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:37:33,490 INFO L82 PathProgramCache]: Analyzing trace with hash -912563919, now seen corresponding path program 1 times [2021-08-25 22:37:33,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:37:33,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010715744] [2021-08-25 22:37:33,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:33,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:37:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:33,577 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:37:33,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:37:33,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010715744] [2021-08-25 22:37:33,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010715744] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:37:33,578 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:37:33,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:37:33,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216294976] [2021-08-25 22:37:33,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:37:33,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:37:33,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:37:33,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:33,581 INFO L87 Difference]: Start difference. First operand 3952 states and 5655 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:34,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:37:34,687 INFO L93 Difference]: Finished difference Result 7573 states and 10973 transitions. [2021-08-25 22:37:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:37:34,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-08-25 22:37:34,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:37:34,697 INFO L225 Difference]: With dead ends: 7573 [2021-08-25 22:37:34,697 INFO L226 Difference]: Without dead ends: 3952 [2021-08-25 22:37:34,700 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:34,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-08-25 22:37:34,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-08-25 22:37:34,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.3153631991900785) internal successors, (5197), 3951 states have internal predecessors, (5197), 0 states have call successors, (0), 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 22:37:34,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 5197 transitions. [2021-08-25 22:37:34,749 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 5197 transitions. Word has length 131 [2021-08-25 22:37:34,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:37:34,750 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 5197 transitions. [2021-08-25 22:37:34,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:34,750 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 5197 transitions. [2021-08-25 22:37:34,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-08-25 22:37:34,753 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:37:34,753 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 22:37:34,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 22:37:34,753 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:37:34,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:37:34,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1359915327, now seen corresponding path program 1 times [2021-08-25 22:37:34,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:37:34,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602041489] [2021-08-25 22:37:34,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:34,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:37:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:34,846 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-08-25 22:37:34,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:37:34,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602041489] [2021-08-25 22:37:34,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602041489] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:37:34,847 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:37:34,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:37:34,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629151771] [2021-08-25 22:37:34,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:37:34,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:37:34,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:37:34,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:34,850 INFO L87 Difference]: Start difference. First operand 3952 states and 5197 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:36,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:37:36,085 INFO L93 Difference]: Finished difference Result 8889 states and 11783 transitions. [2021-08-25 22:37:36,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:37:36,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 232 [2021-08-25 22:37:36,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:37:36,097 INFO L225 Difference]: With dead ends: 8889 [2021-08-25 22:37:36,098 INFO L226 Difference]: Without dead ends: 4610 [2021-08-25 22:37:36,105 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:36,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4610 states. [2021-08-25 22:37:36,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4610 to 4610. [2021-08-25 22:37:36,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4610 states, 4609 states have (on average 1.0772401822521154) internal successors, (4965), 4609 states have internal predecessors, (4965), 0 states have call successors, (0), 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 22:37:36,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4610 states to 4610 states and 4965 transitions. [2021-08-25 22:37:36,161 INFO L78 Accepts]: Start accepts. Automaton has 4610 states and 4965 transitions. Word has length 232 [2021-08-25 22:37:36,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:37:36,161 INFO L470 AbstractCegarLoop]: Abstraction has 4610 states and 4965 transitions. [2021-08-25 22:37:36,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:36,161 INFO L276 IsEmpty]: Start isEmpty. Operand 4610 states and 4965 transitions. [2021-08-25 22:37:36,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-08-25 22:37:36,165 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:37:36,165 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:37:36,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 22:37:36,165 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:37:36,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:37:36,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1195091839, now seen corresponding path program 1 times [2021-08-25 22:37:36,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:37:36,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629047749] [2021-08-25 22:37:36,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:36,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:37:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:36,292 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-08-25 22:37:36,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:37:36,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629047749] [2021-08-25 22:37:36,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629047749] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:37:36,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:37:36,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:37:36,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261164425] [2021-08-25 22:37:36,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:37:36,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:37:36,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:37:36,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:36,294 INFO L87 Difference]: Start difference. First operand 4610 states and 4965 transitions. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:37,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:37:37,124 INFO L93 Difference]: Finished difference Result 12179 states and 13204 transitions. [2021-08-25 22:37:37,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:37:37,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 383 [2021-08-25 22:37:37,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:37:37,143 INFO L225 Difference]: With dead ends: 12179 [2021-08-25 22:37:37,144 INFO L226 Difference]: Without dead ends: 8229 [2021-08-25 22:37:37,149 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:37,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2021-08-25 22:37:37,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 8229. [2021-08-25 22:37:37,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8229 states, 8228 states have (on average 1.0651434127369956) internal successors, (8764), 8228 states have internal predecessors, (8764), 0 states have call successors, (0), 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 22:37:37,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8229 states to 8229 states and 8764 transitions. [2021-08-25 22:37:37,283 INFO L78 Accepts]: Start accepts. Automaton has 8229 states and 8764 transitions. Word has length 383 [2021-08-25 22:37:37,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:37:37,285 INFO L470 AbstractCegarLoop]: Abstraction has 8229 states and 8764 transitions. [2021-08-25 22:37:37,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:37,285 INFO L276 IsEmpty]: Start isEmpty. Operand 8229 states and 8764 transitions. [2021-08-25 22:37:37,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2021-08-25 22:37:37,292 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:37:37,292 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:37:37,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-25 22:37:37,292 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:37:37,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:37:37,293 INFO L82 PathProgramCache]: Analyzing trace with hash -502550951, now seen corresponding path program 1 times [2021-08-25 22:37:37,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:37:37,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422682361] [2021-08-25 22:37:37,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:37,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:37:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:37,444 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-08-25 22:37:37,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:37:37,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422682361] [2021-08-25 22:37:37,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422682361] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:37:37,445 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:37:37,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:37:37,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247308145] [2021-08-25 22:37:37,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:37:37,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:37:37,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:37:37,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:37:37,449 INFO L87 Difference]: Start difference. First operand 8229 states and 8764 transitions. Second operand has 4 states, 4 states have (on average 113.0) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:38,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:37:38,678 INFO L93 Difference]: Finished difference Result 15798 states and 16856 transitions. [2021-08-25 22:37:38,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:37:38,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 113.0) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 493 [2021-08-25 22:37:38,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:37:38,697 INFO L225 Difference]: With dead ends: 15798 [2021-08-25 22:37:38,697 INFO L226 Difference]: Without dead ends: 8229 [2021-08-25 22:37:38,703 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:37:38,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2021-08-25 22:37:38,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 8229. [2021-08-25 22:37:38,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8229 states, 8228 states have (on average 1.0587019931939718) internal successors, (8711), 8228 states have internal predecessors, (8711), 0 states have call successors, (0), 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 22:37:38,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8229 states to 8229 states and 8711 transitions. [2021-08-25 22:37:38,788 INFO L78 Accepts]: Start accepts. Automaton has 8229 states and 8711 transitions. Word has length 493 [2021-08-25 22:37:38,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:37:38,788 INFO L470 AbstractCegarLoop]: Abstraction has 8229 states and 8711 transitions. [2021-08-25 22:37:38,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 113.0) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:38,789 INFO L276 IsEmpty]: Start isEmpty. Operand 8229 states and 8711 transitions. [2021-08-25 22:37:38,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2021-08-25 22:37:38,797 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:37:38,797 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 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 22:37:38,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-25 22:37:38,798 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:37:38,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:37:38,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1835960807, now seen corresponding path program 1 times [2021-08-25 22:37:38,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:37:38,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543198647] [2021-08-25 22:37:38,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:38,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:37:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:38,970 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-08-25 22:37:38,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:37:38,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543198647] [2021-08-25 22:37:38,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543198647] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:37:38,970 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:37:38,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:37:38,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785376633] [2021-08-25 22:37:38,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:37:38,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:37:38,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:37:38,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:38,972 INFO L87 Difference]: Start difference. First operand 8229 states and 8711 transitions. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 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 22:37:39,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:37:39,849 INFO L93 Difference]: Finished difference Result 19088 states and 20192 transitions. [2021-08-25 22:37:39,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:37:39,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 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 597 [2021-08-25 22:37:39,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:37:39,866 INFO L225 Difference]: With dead ends: 19088 [2021-08-25 22:37:39,866 INFO L226 Difference]: Without dead ends: 11519 [2021-08-25 22:37:39,873 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:39,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11519 states. [2021-08-25 22:37:39,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11519 to 10861. [2021-08-25 22:37:39,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10861 states, 10860 states have (on average 1.0458563535911602) internal successors, (11358), 10860 states have internal predecessors, (11358), 0 states have call successors, (0), 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 22:37:39,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10861 states to 10861 states and 11358 transitions. [2021-08-25 22:37:39,988 INFO L78 Accepts]: Start accepts. Automaton has 10861 states and 11358 transitions. Word has length 597 [2021-08-25 22:37:39,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:37:39,988 INFO L470 AbstractCegarLoop]: Abstraction has 10861 states and 11358 transitions. [2021-08-25 22:37:39,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 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 22:37:39,988 INFO L276 IsEmpty]: Start isEmpty. Operand 10861 states and 11358 transitions. [2021-08-25 22:37:39,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2021-08-25 22:37:39,993 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:37:39,993 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:37:39,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-25 22:37:39,993 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:37:39,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:37:39,994 INFO L82 PathProgramCache]: Analyzing trace with hash 515894490, now seen corresponding path program 1 times [2021-08-25 22:37:39,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:37:39,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782082583] [2021-08-25 22:37:39,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:39,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:37:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:40,166 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:37:40,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:37:40,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782082583] [2021-08-25 22:37:40,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782082583] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:37:40,167 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:37:40,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:37:40,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083708444] [2021-08-25 22:37:40,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:37:40,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:37:40,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:37:40,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:37:40,169 INFO L87 Difference]: Start difference. First operand 10861 states and 11358 transitions. Second operand has 4 states, 4 states have (on average 150.25) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 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 22:37:40,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:37:40,942 INFO L93 Difference]: Finished difference Result 21062 states and 22047 transitions. [2021-08-25 22:37:40,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:37:40,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 150.25) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 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 601 [2021-08-25 22:37:40,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:37:40,956 INFO L225 Difference]: With dead ends: 21062 [2021-08-25 22:37:40,957 INFO L226 Difference]: Without dead ends: 10861 [2021-08-25 22:37:40,965 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:37:40,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10861 states. [2021-08-25 22:37:41,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10861 to 10861. [2021-08-25 22:37:41,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10861 states, 10860 states have (on average 1.0455801104972375) internal successors, (11355), 10860 states have internal predecessors, (11355), 0 states have call successors, (0), 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 22:37:41,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10861 states to 10861 states and 11355 transitions. [2021-08-25 22:37:41,077 INFO L78 Accepts]: Start accepts. Automaton has 10861 states and 11355 transitions. Word has length 601 [2021-08-25 22:37:41,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:37:41,078 INFO L470 AbstractCegarLoop]: Abstraction has 10861 states and 11355 transitions. [2021-08-25 22:37:41,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 150.25) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 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 22:37:41,078 INFO L276 IsEmpty]: Start isEmpty. Operand 10861 states and 11355 transitions. [2021-08-25 22:37:41,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2021-08-25 22:37:41,082 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:37:41,083 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:37:41,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-25 22:37:41,083 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:37:41,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:37:41,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1499697606, now seen corresponding path program 1 times [2021-08-25 22:37:41,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:37:41,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204629905] [2021-08-25 22:37:41,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:41,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:37:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:41,219 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2021-08-25 22:37:41,219 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:37:41,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204629905] [2021-08-25 22:37:41,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204629905] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:37:41,220 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:37:41,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:37:41,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547178249] [2021-08-25 22:37:41,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:37:41,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:37:41,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:37:41,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:41,222 INFO L87 Difference]: Start difference. First operand 10861 states and 11355 transitions. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 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 22:37:41,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:37:41,984 INFO L93 Difference]: Finished difference Result 21062 states and 22044 transitions. [2021-08-25 22:37:41,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:37:41,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 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 609 [2021-08-25 22:37:41,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:37:41,998 INFO L225 Difference]: With dead ends: 21062 [2021-08-25 22:37:41,999 INFO L226 Difference]: Without dead ends: 10861 [2021-08-25 22:37:42,007 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:42,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10861 states. [2021-08-25 22:37:42,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10861 to 10532. [2021-08-25 22:37:42,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10532 states, 10531 states have (on average 1.040451998860507) internal successors, (10957), 10531 states have internal predecessors, (10957), 0 states have call successors, (0), 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 22:37:42,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10532 states to 10532 states and 10957 transitions. [2021-08-25 22:37:42,103 INFO L78 Accepts]: Start accepts. Automaton has 10532 states and 10957 transitions. Word has length 609 [2021-08-25 22:37:42,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:37:42,103 INFO L470 AbstractCegarLoop]: Abstraction has 10532 states and 10957 transitions. [2021-08-25 22:37:42,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 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 22:37:42,104 INFO L276 IsEmpty]: Start isEmpty. Operand 10532 states and 10957 transitions. [2021-08-25 22:37:42,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1006 [2021-08-25 22:37:42,116 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:37:42,116 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:37:42,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-25 22:37:42,117 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:37:42,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:37:42,117 INFO L82 PathProgramCache]: Analyzing trace with hash -176003963, now seen corresponding path program 1 times [2021-08-25 22:37:42,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:37:42,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787431306] [2021-08-25 22:37:42,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:42,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:37:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:42,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2197 backedges. 1166 proven. 157 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2021-08-25 22:37:42,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:37:42,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787431306] [2021-08-25 22:37:42,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787431306] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:37:42,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791094114] [2021-08-25 22:37:42,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:42,430 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:37:42,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:37:42,433 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 22:37:42,433 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 22:37:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:42,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 22:37:42,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:37:44,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2197 backedges. 1276 proven. 0 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2021-08-25 22:37:44,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791094114] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:37:44,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:37:44,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-08-25 22:37:44,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37898692] [2021-08-25 22:37:44,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:37:44,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:37:44,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:37:44,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:37:44,815 INFO L87 Difference]: Start difference. First operand 10532 states and 10957 transitions. Second operand has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 0 states have call successors, (0), 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 22:37:45,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:37:45,693 INFO L93 Difference]: Finished difference Result 23036 states and 24039 transitions. [2021-08-25 22:37:45,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:37:45,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 0 states have call successors, (0), 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 1005 [2021-08-25 22:37:45,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:37:45,707 INFO L225 Difference]: With dead ends: 23036 [2021-08-25 22:37:45,707 INFO L226 Difference]: Without dead ends: 13164 [2021-08-25 22:37:45,715 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1009 GetRequests, 1004 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 36.3ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:37:45,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2021-08-25 22:37:45,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 13164. [2021-08-25 22:37:45,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.036693762820026) internal successors, (13646), 13163 states have internal predecessors, (13646), 0 states have call successors, (0), 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 22:37:45,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13646 transitions. [2021-08-25 22:37:45,828 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13646 transitions. Word has length 1005 [2021-08-25 22:37:45,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:37:45,829 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13646 transitions. [2021-08-25 22:37:45,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 0 states have call successors, (0), 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 22:37:45,829 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13646 transitions. [2021-08-25 22:37:45,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1069 [2021-08-25 22:37:45,845 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:37:45,846 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:37:45,876 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 22:37:46,067 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,SelfDestructingSolverStorable11 [2021-08-25 22:37:46,068 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:37:46,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:37:46,068 INFO L82 PathProgramCache]: Analyzing trace with hash 434228981, now seen corresponding path program 1 times [2021-08-25 22:37:46,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:37:46,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450872241] [2021-08-25 22:37:46,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:46,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:37:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:46,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2063 backedges. 1360 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2021-08-25 22:37:46,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:37:46,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450872241] [2021-08-25 22:37:46,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450872241] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:37:46,355 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:37:46,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:37:46,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900775905] [2021-08-25 22:37:46,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:37:46,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:37:46,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:37:46,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:46,357 INFO L87 Difference]: Start difference. First operand 13164 states and 13646 transitions. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 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 22:37:47,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:37:47,243 INFO L93 Difference]: Finished difference Result 28300 states and 29371 transitions. [2021-08-25 22:37:47,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:37:47,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 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 1068 [2021-08-25 22:37:47,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:37:47,256 INFO L225 Difference]: With dead ends: 28300 [2021-08-25 22:37:47,256 INFO L226 Difference]: Without dead ends: 15796 [2021-08-25 22:37:47,263 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:47,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2021-08-25 22:37:47,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 15467. [2021-08-25 22:37:47,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.031941031941032) internal successors, (15960), 15466 states have internal predecessors, (15960), 0 states have call successors, (0), 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 22:37:47,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 15960 transitions. [2021-08-25 22:37:47,449 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 15960 transitions. Word has length 1068 [2021-08-25 22:37:47,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:37:47,449 INFO L470 AbstractCegarLoop]: Abstraction has 15467 states and 15960 transitions. [2021-08-25 22:37:47,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 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 22:37:47,450 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 15960 transitions. [2021-08-25 22:37:47,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1070 [2021-08-25 22:37:47,465 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:37:47,466 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, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:37:47,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-25 22:37:47,466 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:37:47,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:37:47,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1732422690, now seen corresponding path program 1 times [2021-08-25 22:37:47,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:37:47,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331645926] [2021-08-25 22:37:47,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:47,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:37:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:47,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2068 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 1817 trivial. 0 not checked. [2021-08-25 22:37:47,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:37:47,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331645926] [2021-08-25 22:37:47,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331645926] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:37:47,677 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:37:47,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:37:47,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835441278] [2021-08-25 22:37:47,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:37:47,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:37:47,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:37:47,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:47,679 INFO L87 Difference]: Start difference. First operand 15467 states and 15960 transitions. Second operand has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 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 22:37:48,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:37:48,480 INFO L93 Difference]: Finished difference Result 30603 states and 31587 transitions. [2021-08-25 22:37:48,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:37:48,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 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 1069 [2021-08-25 22:37:48,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:37:48,497 INFO L225 Difference]: With dead ends: 30603 [2021-08-25 22:37:48,498 INFO L226 Difference]: Without dead ends: 15467 [2021-08-25 22:37:48,549 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:48,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15467 states. [2021-08-25 22:37:48,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15467 to 14809. [2021-08-25 22:37:48,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14809 states, 14808 states have (on average 1.0255942733657482) internal successors, (15187), 14808 states have internal predecessors, (15187), 0 states have call successors, (0), 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 22:37:48,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14809 states to 14809 states and 15187 transitions. [2021-08-25 22:37:48,664 INFO L78 Accepts]: Start accepts. Automaton has 14809 states and 15187 transitions. Word has length 1069 [2021-08-25 22:37:48,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:37:48,665 INFO L470 AbstractCegarLoop]: Abstraction has 14809 states and 15187 transitions. [2021-08-25 22:37:48,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 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 22:37:48,665 INFO L276 IsEmpty]: Start isEmpty. Operand 14809 states and 15187 transitions. [2021-08-25 22:37:48,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1074 [2021-08-25 22:37:48,682 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:37:48,682 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 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 22:37:48,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-25 22:37:48,683 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:37:48,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:37:48,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1185181483, now seen corresponding path program 1 times [2021-08-25 22:37:48,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:37:48,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373538975] [2021-08-25 22:37:48,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:48,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:37:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:48,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2626 backedges. 1772 proven. 0 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked. [2021-08-25 22:37:48,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:37:48,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373538975] [2021-08-25 22:37:48,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373538975] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:37:48,884 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:37:48,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:37:48,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991569621] [2021-08-25 22:37:48,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:37:48,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:37:48,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:37:48,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:48,887 INFO L87 Difference]: Start difference. First operand 14809 states and 15187 transitions. Second operand has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 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 22:37:49,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:37:49,818 INFO L93 Difference]: Finished difference Result 28958 states and 29710 transitions. [2021-08-25 22:37:49,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:37:49,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 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 1073 [2021-08-25 22:37:49,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:37:49,832 INFO L225 Difference]: With dead ends: 28958 [2021-08-25 22:37:49,832 INFO L226 Difference]: Without dead ends: 14809 [2021-08-25 22:37:49,841 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:49,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2021-08-25 22:37:49,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14480. [2021-08-25 22:37:49,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0222391049105601) internal successors, (14801), 14479 states have internal predecessors, (14801), 0 states have call successors, (0), 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 22:37:49,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14801 transitions. [2021-08-25 22:37:49,990 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14801 transitions. Word has length 1073 [2021-08-25 22:37:49,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:37:49,991 INFO L470 AbstractCegarLoop]: Abstraction has 14480 states and 14801 transitions. [2021-08-25 22:37:49,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 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 22:37:49,991 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14801 transitions. [2021-08-25 22:37:50,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1104 [2021-08-25 22:37:50,011 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:37:50,012 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:37:50,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-25 22:37:50,013 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:37:50,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:37:50,013 INFO L82 PathProgramCache]: Analyzing trace with hash -649438644, now seen corresponding path program 1 times [2021-08-25 22:37:50,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:37:50,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142242436] [2021-08-25 22:37:50,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:50,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:37:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:50,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2674 backedges. 1625 proven. 258 refuted. 0 times theorem prover too weak. 791 trivial. 0 not checked. [2021-08-25 22:37:50,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:37:50,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142242436] [2021-08-25 22:37:50,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142242436] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:37:50,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517306461] [2021-08-25 22:37:50,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:50,341 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:37:50,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:37:50,342 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 22:37:50,383 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 22:37:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:50,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 1333 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 22:37:50,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:37:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2674 backedges. 1313 proven. 0 refuted. 0 times theorem prover too weak. 1361 trivial. 0 not checked. [2021-08-25 22:37:53,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517306461] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:37:53,287 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:37:53,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-08-25 22:37:53,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323664242] [2021-08-25 22:37:53,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:37:53,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:37:53,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:37:53,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-08-25 22:37:53,289 INFO L87 Difference]: Start difference. First operand 14480 states and 14801 transitions. Second operand has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 0 states have call successors, (0), 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 22:37:54,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:37:54,048 INFO L93 Difference]: Finished difference Result 28300 states and 28938 transitions. [2021-08-25 22:37:54,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:37:54,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 0 states have call successors, (0), 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 1103 [2021-08-25 22:37:54,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:37:54,062 INFO L225 Difference]: With dead ends: 28300 [2021-08-25 22:37:54,062 INFO L226 Difference]: Without dead ends: 14480 [2021-08-25 22:37:54,070 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1108 GetRequests, 1102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 34.0ms TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-08-25 22:37:54,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2021-08-25 22:37:54,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 14151. [2021-08-25 22:37:54,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14151 states, 14150 states have (on average 1.0192226148409893) internal successors, (14422), 14150 states have internal predecessors, (14422), 0 states have call successors, (0), 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 22:37:54,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14151 states to 14151 states and 14422 transitions. [2021-08-25 22:37:54,189 INFO L78 Accepts]: Start accepts. Automaton has 14151 states and 14422 transitions. Word has length 1103 [2021-08-25 22:37:54,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:37:54,190 INFO L470 AbstractCegarLoop]: Abstraction has 14151 states and 14422 transitions. [2021-08-25 22:37:54,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 0 states have call successors, (0), 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 22:37:54,190 INFO L276 IsEmpty]: Start isEmpty. Operand 14151 states and 14422 transitions. [2021-08-25 22:37:54,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1650 [2021-08-25 22:37:54,221 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:37:54,221 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:37:54,242 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 22:37:54,428 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,SelfDestructingSolverStorable15 [2021-08-25 22:37:54,429 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:37:54,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:37:54,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1440902202, now seen corresponding path program 1 times [2021-08-25 22:37:54,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:37:54,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795505656] [2021-08-25 22:37:54,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:54,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:37:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:54,861 INFO L134 CoverageAnalysis]: Checked inductivity of 5059 backedges. 3038 proven. 0 refuted. 0 times theorem prover too weak. 2021 trivial. 0 not checked. [2021-08-25 22:37:54,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:37:54,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795505656] [2021-08-25 22:37:54,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795505656] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:37:54,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:37:54,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:37:54,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297214127] [2021-08-25 22:37:54,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:37:54,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:37:54,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:37:54,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:54,864 INFO L87 Difference]: Start difference. First operand 14151 states and 14422 transitions. Second operand has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 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 22:37:55,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:37:55,729 INFO L93 Difference]: Finished difference Result 30601 states and 31215 transitions. [2021-08-25 22:37:55,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:37:55,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 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 1649 [2021-08-25 22:37:55,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:37:55,730 INFO L225 Difference]: With dead ends: 30601 [2021-08-25 22:37:55,730 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 22:37:55,740 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:37:55,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 22:37:55,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 22:37:55,741 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 22:37:55,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 22:37:55,741 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1649 [2021-08-25 22:37:55,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:37:55,742 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 22:37:55,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 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 22:37:55,742 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 22:37:55,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 22:37:55,744 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 22:37:55,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-25 22:37:55,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 22:37:55,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:37:55,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:37:55,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:37:55,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:37:56,553 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,553 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,554 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,554 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,554 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,554 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,554 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,554 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,554 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,554 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,554 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,554 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,554 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,554 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,555 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,555 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-08-25 22:37:56,555 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-08-25 22:37:56,555 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-08-25 22:37:56,555 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,555 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,555 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,555 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,555 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,555 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,555 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,555 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,555 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,555 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,555 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,556 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,556 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,556 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,556 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,556 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,556 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,556 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,556 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-08-25 22:37:56,556 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-08-25 22:37:56,556 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-08-25 22:37:56,556 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,556 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,556 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,556 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,556 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,556 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,556 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,557 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,558 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,558 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,558 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,558 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-08-25 22:37:56,558 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,558 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-08-25 22:37:56,558 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-08-25 22:37:56,558 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse0 (= ~a12~0 9)) (.cse5 (<= ~a16~0 11)) (.cse6 (= ~a12~0 8)) (.cse11 (<= ~a12~0 5)) (.cse7 (<= 0 (+ 87 ~a18~0))) (.cse8 (<= ~a12~0 6)) (.cse4 (<= ~a16~0 8)) (.cse1 (<= ~a15~0 3)) (.cse2 (= ~a16~0 12)) (.cse10 (<= 7 ~a12~0)) (.cse3 (= ~a16~0 9)) (.cse9 (<= ~a12~0 7))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3) (and .cse4 .cse0) (and (= ~a12~0 6) .cse5) (and .cse4 .cse6) (and .cse7 .cse8 .cse5) (and .cse0 .cse1 .cse5) (and .cse1 .cse9 .cse10 .cse5) (and .cse3 .cse6) (and .cse11 .cse5 (<= 4 ~a15~0)) (and .cse1 .cse6 .cse5) (and .cse1 .cse6 .cse2) (and .cse11 .cse1 .cse2) (and .cse4 .cse1) (and .cse7 .cse1 .cse2 .cse8) (and .cse4 .cse9) (and .cse1 .cse2 .cse9 .cse10) (and .cse3 .cse9))) [2021-08-25 22:37:56,559 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,559 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,559 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,559 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,559 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,559 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,559 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,559 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,559 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,560 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,560 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-08-25 22:37:56,560 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-08-25 22:37:56,560 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,560 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-08-25 22:37:56,560 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,560 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,560 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,560 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,561 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,561 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,561 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,561 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,561 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,561 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,561 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,561 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,561 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,561 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,561 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,561 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,562 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,562 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-08-25 22:37:56,562 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,562 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-08-25 22:37:56,562 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-08-25 22:37:56,562 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,562 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,562 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,562 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,563 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,563 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,563 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,563 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,563 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,563 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,563 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,563 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-08-25 22:37:56,563 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-08-25 22:37:56,563 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,564 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-08-25 22:37:56,564 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,564 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse0 (= ~a12~0 9)) (.cse5 (<= ~a16~0 11)) (.cse6 (= ~a12~0 8)) (.cse11 (<= ~a12~0 5)) (.cse7 (<= 0 (+ 87 ~a18~0))) (.cse8 (<= ~a12~0 6)) (.cse4 (<= ~a16~0 8)) (.cse1 (<= ~a15~0 3)) (.cse2 (= ~a16~0 12)) (.cse10 (<= 7 ~a12~0)) (.cse3 (= ~a16~0 9)) (.cse9 (<= ~a12~0 7))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3) (and .cse4 .cse0) (and (= ~a12~0 6) .cse5) (and .cse4 .cse6) (and .cse7 .cse8 .cse5) (and .cse0 .cse1 .cse5) (and .cse1 .cse9 .cse10 .cse5) (and .cse3 .cse6) (and .cse11 .cse5 (<= 4 ~a15~0)) (and .cse1 .cse6 .cse5) (and .cse1 .cse6 .cse2) (and .cse11 .cse1 .cse2) (and .cse4 .cse1) (and .cse7 .cse1 .cse2 .cse8) (and .cse4 .cse9) (and .cse1 .cse2 .cse9 .cse10) (and .cse3 .cse9))) [2021-08-25 22:37:56,564 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,564 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,564 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,564 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,564 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,565 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,565 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,565 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,565 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 22:37:56,565 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,565 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,565 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,565 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,565 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,565 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,566 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-08-25 22:37:56,566 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,566 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-08-25 22:37:56,566 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-08-25 22:37:56,566 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,566 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-08-25 22:37:56,566 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,566 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,566 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,567 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,567 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,567 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,567 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,567 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,567 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,567 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,567 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,567 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-08-25 22:37:56,567 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,568 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-08-25 22:37:56,568 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,568 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-08-25 22:37:56,568 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,568 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,568 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,568 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,568 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,568 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,569 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,569 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,569 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,569 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,569 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,569 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,569 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,569 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,569 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,569 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,570 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-08-25 22:37:56,570 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-08-25 22:37:56,570 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-08-25 22:37:56,570 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 22:37:56,570 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 149) no Hoare annotation was computed. [2021-08-25 22:37:56,570 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse0 (= ~a12~0 9)) (.cse5 (<= ~a16~0 11)) (.cse6 (= ~a12~0 8)) (.cse11 (<= ~a12~0 5)) (.cse7 (<= 0 (+ 87 ~a18~0))) (.cse8 (<= ~a12~0 6)) (.cse4 (<= ~a16~0 8)) (.cse1 (<= ~a15~0 3)) (.cse2 (= ~a16~0 12)) (.cse10 (<= 7 ~a12~0)) (.cse3 (= ~a16~0 9)) (.cse9 (<= ~a12~0 7))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3) (and .cse4 .cse0) (and (= ~a12~0 6) .cse5) (and .cse4 .cse6) (and .cse7 .cse8 .cse5) (and .cse0 .cse1 .cse5) (and .cse1 .cse9 .cse10 .cse5) (and .cse3 .cse6) (and .cse11 .cse5 (<= 4 ~a15~0)) (and .cse1 .cse6 .cse5) (and .cse1 .cse6 .cse2) (and .cse11 .cse1 .cse2) (and .cse4 .cse1) (and .cse7 .cse1 .cse2 .cse8) (and .cse4 .cse9) (and .cse1 .cse2 .cse9 .cse10) (and .cse3 .cse9))) [2021-08-25 22:37:56,570 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,570 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,571 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,571 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,571 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,571 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,571 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,571 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,571 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,571 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,571 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,572 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,572 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,572 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,572 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-08-25 22:37:56,572 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,572 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-08-25 22:37:56,572 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-08-25 22:37:56,572 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,572 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,573 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,573 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,573 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,573 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,573 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,573 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,573 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,573 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,573 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,573 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,574 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-08-25 22:37:56,574 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,574 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,574 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,574 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,574 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,574 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-08-25 22:37:56,574 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-08-25 22:37:56,574 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-08-25 22:37:56,575 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,575 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,575 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,575 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,575 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,575 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,575 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,575 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,575 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,575 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,576 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,576 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,576 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,576 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-08-25 22:37:56,576 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,576 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-08-25 22:37:56,576 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-08-25 22:37:56,576 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,576 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,577 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,577 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,577 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,577 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,577 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,577 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,577 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,577 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,577 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,578 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,578 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,578 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,578 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-08-25 22:37:56,578 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-08-25 22:37:56,578 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-08-25 22:37:56,578 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,578 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,578 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,579 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,579 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,579 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,579 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,579 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,579 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,579 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,579 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,579 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,580 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,580 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,580 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-08-25 22:37:56,580 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,580 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-08-25 22:37:56,580 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-08-25 22:37:56,580 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,580 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,580 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,580 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,581 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,581 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,581 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,581 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,581 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,581 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,581 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,581 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,581 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,582 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,582 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-08-25 22:37:56,582 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-08-25 22:37:56,582 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-08-25 22:37:56,582 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,582 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,582 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,582 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,582 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,582 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,583 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,583 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,583 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,583 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,583 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,583 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,583 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,583 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,583 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 22:37:56,583 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,583 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-08-25 22:37:56,584 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-08-25 22:37:56,584 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,584 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,584 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,584 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,584 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,584 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,584 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,584 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,584 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,584 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,585 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,585 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,585 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-08-25 22:37:56,585 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-08-25 22:37:56,585 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,585 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,585 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,585 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,585 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,585 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,586 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,586 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,586 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,586 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,586 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,586 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,586 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,586 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,586 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,586 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,587 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-08-25 22:37:56,587 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-08-25 22:37:56,587 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,587 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,587 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,587 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,587 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,587 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,587 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,588 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,588 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,588 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 22:37:56,588 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,588 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,588 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-08-25 22:37:56,588 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-08-25 22:37:56,588 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,588 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,588 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,589 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,589 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,589 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,589 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,589 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,589 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,589 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,589 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,589 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,589 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,590 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,590 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,590 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,590 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,590 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-08-25 22:37:56,590 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-08-25 22:37:56,590 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,590 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,590 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,591 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,591 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,591 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,591 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-08-25 22:37:56,591 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,591 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,591 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,591 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-08-25 22:37:56,591 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:56,591 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,592 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,592 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-08-25 22:37:56,592 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-08-25 22:37:56,592 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-08-25 22:37:56,592 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-08-25 22:37:56,595 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 22:37:56,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 10:37:56 BoogieIcfgContainer [2021-08-25 22:37:56,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 22:37:56,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 22:37:56,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 22:37:56,609 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 22:37:56,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:37:26" (3/4) ... [2021-08-25 22:37:56,613 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 22:37:56,647 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-25 22:37:56,649 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 22:37:56,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:37:56,651 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:37:56,753 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 22:37:56,754 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 22:37:56,755 INFO L168 Benchmark]: Toolchain (without parser) took 33168.81 ms. Allocated memory was 62.9 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 39.2 MB in the beginning and 817.2 MB in the end (delta: -778.0 MB). Peak memory consumption was 263.4 MB. Max. memory is 16.1 GB. [2021-08-25 22:37:56,755 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 62.9 MB. Free memory was 45.5 MB in the beginning and 45.5 MB in the end (delta: 44.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 22:37:56,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.56 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 38.9 MB in the beginning and 49.6 MB in the end (delta: -10.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. [2021-08-25 22:37:56,755 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.80 ms. Allocated memory is still 79.7 MB. Free memory was 49.6 MB in the beginning and 38.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. [2021-08-25 22:37:56,756 INFO L168 Benchmark]: Boogie Preprocessor took 124.75 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 38.0 MB in the beginning and 50.2 MB in the end (delta: -12.2 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2021-08-25 22:37:56,756 INFO L168 Benchmark]: RCFGBuilder took 1641.67 ms. Allocated memory was 96.5 MB in the beginning and 176.2 MB in the end (delta: 79.7 MB). Free memory was 50.2 MB in the beginning and 79.7 MB in the end (delta: -29.5 MB). Peak memory consumption was 51.8 MB. Max. memory is 16.1 GB. [2021-08-25 22:37:56,756 INFO L168 Benchmark]: TraceAbstraction took 30413.83 ms. Allocated memory was 176.2 MB in the beginning and 1.1 GB in the end (delta: 929.0 MB). Free memory was 78.7 MB in the beginning and 854.9 MB in the end (delta: -776.2 MB). Peak memory consumption was 562.8 MB. Max. memory is 16.1 GB. [2021-08-25 22:37:56,756 INFO L168 Benchmark]: Witness Printer took 144.51 ms. Allocated memory is still 1.1 GB. Free memory was 854.9 MB in the beginning and 817.2 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-08-25 22:37:56,758 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 62.9 MB. Free memory was 45.5 MB in the beginning and 45.5 MB in the end (delta: 44.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 712.56 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 38.9 MB in the beginning and 49.6 MB in the end (delta: -10.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 125.80 ms. Allocated memory is still 79.7 MB. Free memory was 49.6 MB in the beginning and 38.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 124.75 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 38.0 MB in the beginning and 50.2 MB in the end (delta: -12.2 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1641.67 ms. Allocated memory was 96.5 MB in the beginning and 176.2 MB in the end (delta: 79.7 MB). Free memory was 50.2 MB in the beginning and 79.7 MB in the end (delta: -29.5 MB). Peak memory consumption was 51.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 30413.83 ms. Allocated memory was 176.2 MB in the beginning and 1.1 GB in the end (delta: 929.0 MB). Free memory was 78.7 MB in the beginning and 854.9 MB in the end (delta: -776.2 MB). Peak memory consumption was 562.8 MB. Max. memory is 16.1 GB. * Witness Printer took 144.51 ms. Allocated memory is still 1.1 GB. Free memory was 854.9 MB in the beginning and 817.2 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 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: 149]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30345.5ms, OverallIterations: 17, TraceHistogramMax: 10, EmptinessCheckTime: 155.2ms, AutomataDifference: 18853.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 808.2ms, InitialAbstractionConstructionTime: 9.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4250 SDtfs, 5031 SDslu, 102 SDs, 0 SdLazy, 15496 SolverSat, 2349 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13524.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2159 GetRequests, 2129 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 119.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=15467occurred in iteration=13, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1505.1ms AutomataMinimizationTime, 17 MinimizatonAttempts, 2632 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 171 NumberOfFragments, 511 HoareAnnotationTreeSize, 4 FomulaSimplifications, 2778 FormulaSimplificationTreeSizeReduction, 77.9ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 1155 FormulaSimplificationTreeSizeReductionInter, 722.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 310.5ms SsaConstructionTime, 897.5ms SatisfiabilityAnalysisTime, 6660.3ms InterpolantComputationTime, 12503 NumberOfCodeBlocks, 12503 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 12484 ConstructedInterpolants, 0 QuantifiedInterpolants, 36626 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2546 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 19 InterpolantComputations, 17 PerfectInterpolantSequences, 23470/23885 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1504]: Loop Invariant Derived loop invariant: ((((((((((((((((((a12 == 9 && a15 <= 3) && a16 == 12) || (a12 == 9 && a16 == 9)) || (a16 <= 8 && a12 == 9)) || (a12 == 6 && a16 <= 11)) || (a16 <= 8 && a12 == 8)) || ((0 <= 87 + a18 && a12 <= 6) && a16 <= 11)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || (((a15 <= 3 && a12 <= 7) && 7 <= a12) && a16 <= 11)) || (a16 == 9 && a12 == 8)) || ((a12 <= 5 && a16 <= 11) && 4 <= a15)) || ((a15 <= 3 && a12 == 8) && a16 <= 11)) || ((a15 <= 3 && a12 == 8) && a16 == 12)) || ((a12 <= 5 && a15 <= 3) && a16 == 12)) || (a16 <= 8 && a15 <= 3)) || (((0 <= 87 + a18 && a15 <= 3) && a16 == 12) && a12 <= 6)) || (a16 <= 8 && a12 <= 7)) || (((a15 <= 3 && a16 == 12) && a12 <= 7) && 7 <= a12)) || (a16 == 9 && a12 <= 7) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((((a12 == 9 && a15 <= 3) && a16 == 12) || (a12 == 9 && a16 == 9)) || (a16 <= 8 && a12 == 9)) || (a12 == 6 && a16 <= 11)) || (a16 <= 8 && a12 == 8)) || ((0 <= 87 + a18 && a12 <= 6) && a16 <= 11)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || (((a15 <= 3 && a12 <= 7) && 7 <= a12) && a16 <= 11)) || (a16 == 9 && a12 == 8)) || ((a12 <= 5 && a16 <= 11) && 4 <= a15)) || ((a15 <= 3 && a12 == 8) && a16 <= 11)) || ((a15 <= 3 && a12 == 8) && a16 == 12)) || ((a12 <= 5 && a15 <= 3) && a16 == 12)) || (a16 <= 8 && a15 <= 3)) || (((0 <= 87 + a18 && a15 <= 3) && a16 == 12) && a12 <= 6)) || (a16 <= 8 && a12 <= 7)) || (((a15 <= 3 && a16 == 12) && a12 <= 7) && 7 <= a12)) || (a16 == 9 && a12 <= 7) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((a12 == 9 && a15 <= 3) && a16 == 12) || (a12 == 9 && a16 == 9)) || (a16 <= 8 && a12 == 9)) || (a12 == 6 && a16 <= 11)) || (a16 <= 8 && a12 == 8)) || ((0 <= 87 + a18 && a12 <= 6) && a16 <= 11)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || (((a15 <= 3 && a12 <= 7) && 7 <= a12) && a16 <= 11)) || (a16 == 9 && a12 == 8)) || ((a12 <= 5 && a16 <= 11) && 4 <= a15)) || ((a15 <= 3 && a12 == 8) && a16 <= 11)) || ((a15 <= 3 && a12 == 8) && a16 == 12)) || ((a12 <= 5 && a15 <= 3) && a16 == 12)) || (a16 <= 8 && a15 <= 3)) || (((0 <= 87 + a18 && a15 <= 3) && a16 == 12) && a12 <= 6)) || (a16 <= 8 && a12 <= 7)) || (((a15 <= 3 && a16 == 12) && a12 <= 7) && 7 <= a12)) || (a16 == 9 && a12 <= 7) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-25 22:37:56,776 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...