./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label13.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/Problem11_label13.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 ee7077fcae50ce9ff14f2538c7c6dba1b6766da0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:44:27,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 21:44:27,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 21:44:27,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 21:44:27,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 21:44:27,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 21:44:27,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 21:44:27,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 21:44:27,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 21:44:27,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 21:44:27,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 21:44:27,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 21:44:27,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 21:44:27,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 21:44:27,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 21:44:27,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 21:44:27,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 21:44:27,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 21:44:27,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 21:44:27,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 21:44:27,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 21:44:27,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 21:44:27,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 21:44:27,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 21:44:27,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 21:44:27,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 21:44:27,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 21:44:27,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 21:44:27,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 21:44:27,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 21:44:27,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 21:44:27,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 21:44:27,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 21:44:27,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 21:44:27,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 21:44:27,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 21:44:27,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 21:44:27,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 21:44:27,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 21:44:27,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 21:44:27,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 21:44:27,156 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 21:44:27,185 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 21:44:27,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 21:44:27,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 21:44:27,186 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 21:44:27,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 21:44:27,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 21:44:27,188 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 21:44:27,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 21:44:27,188 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 21:44:27,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 21:44:27,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 21:44:27,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 21:44:27,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 21:44:27,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 21:44:27,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 21:44:27,190 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 21:44:27,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 21:44:27,190 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 21:44:27,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 21:44:27,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 21:44:27,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 21:44:27,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 21:44:27,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 21:44:27,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 21:44:27,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 21:44:27,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 21:44:27,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 21:44:27,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 21:44:27,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 21:44:27,198 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 21:44:27,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee7077fcae50ce9ff14f2538c7c6dba1b6766da0 [2021-08-25 21:44:27,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 21:44:27,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 21:44:27,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 21:44:27,493 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 21:44:27,505 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 21:44:27,506 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label13.c [2021-08-25 21:44:27,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e7edfa27/c162b6cbe140485dab94f5d4fe5566af/FLAGbeb5aa860 [2021-08-25 21:44:28,002 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 21:44:28,002 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label13.c [2021-08-25 21:44:28,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e7edfa27/c162b6cbe140485dab94f5d4fe5566af/FLAGbeb5aa860 [2021-08-25 21:44:28,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e7edfa27/c162b6cbe140485dab94f5d4fe5566af [2021-08-25 21:44:28,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 21:44:28,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 21:44:28,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 21:44:28,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 21:44:28,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 21:44:28,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 09:44:28" (1/1) ... [2021-08-25 21:44:28,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2226b3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:28, skipping insertion in model container [2021-08-25 21:44:28,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 09:44:28" (1/1) ... [2021-08-25 21:44:28,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 21:44:28,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 21:44:28,555 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/Problem11_label13.c[4853,4866] [2021-08-25 21:44:28,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 21:44:28,792 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 21:44:28,813 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/Problem11_label13.c[4853,4866] [2021-08-25 21:44:28,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 21:44:28,901 INFO L208 MainTranslator]: Completed translation [2021-08-25 21:44:28,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:28 WrapperNode [2021-08-25 21:44:28,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 21:44:28,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 21:44:28,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 21:44:28,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 21:44:28,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:28" (1/1) ... [2021-08-25 21:44:28,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:28" (1/1) ... [2021-08-25 21:44:29,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 21:44:29,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 21:44:29,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 21:44:29,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 21:44:29,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:28" (1/1) ... [2021-08-25 21:44:29,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:28" (1/1) ... [2021-08-25 21:44:29,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:28" (1/1) ... [2021-08-25 21:44:29,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:28" (1/1) ... [2021-08-25 21:44:29,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:28" (1/1) ... [2021-08-25 21:44:29,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:28" (1/1) ... [2021-08-25 21:44:29,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:28" (1/1) ... [2021-08-25 21:44:29,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 21:44:29,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 21:44:29,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 21:44:29,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 21:44:29,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:28" (1/1) ... [2021-08-25 21:44:29,107 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 21:44:29,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:44:29,119 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 21:44:29,136 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 21:44:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 21:44:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 21:44:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 21:44:29,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 21:44:30,352 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 21:44:30,353 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-25 21:44:30,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:44:30 BoogieIcfgContainer [2021-08-25 21:44:30,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 21:44:30,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 21:44:30,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 21:44:30,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 21:44:30,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 09:44:28" (1/3) ... [2021-08-25 21:44:30,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f30662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 09:44:30, skipping insertion in model container [2021-08-25 21:44:30,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:28" (2/3) ... [2021-08-25 21:44:30,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f30662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 09:44:30, skipping insertion in model container [2021-08-25 21:44:30,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:44:30" (3/3) ... [2021-08-25 21:44:30,360 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label13.c [2021-08-25 21:44:30,366 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 21:44:30,366 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 21:44:30,405 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 21:44:30,409 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 21:44:30,410 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 21:44:30,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:44:30,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-25 21:44:30,426 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:30,426 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] [2021-08-25 21:44:30,427 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:30,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:30,430 INFO L82 PathProgramCache]: Analyzing trace with hash 2113343065, now seen corresponding path program 1 times [2021-08-25 21:44:30,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:30,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767582902] [2021-08-25 21:44:30,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:30,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:30,588 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 21:44:30,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:30,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767582902] [2021-08-25 21:44:30,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767582902] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:30,590 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:30,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:44:30,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412539332] [2021-08-25 21:44:30,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:30,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:30,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:30,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:30,610 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 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 21:44:31,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:31,448 INFO L93 Difference]: Finished difference Result 769 states and 1360 transitions. [2021-08-25 21:44:31,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:31,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2021-08-25 21:44:31,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:31,458 INFO L225 Difference]: With dead ends: 769 [2021-08-25 21:44:31,458 INFO L226 Difference]: Without dead ends: 422 [2021-08-25 21:44:31,461 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:31,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2021-08-25 21:44:31,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2021-08-25 21:44:31,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 411 states have (on average 1.5231143552311435) internal successors, (626), 411 states have internal predecessors, (626), 0 states have call successors, (0), 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 21:44:31,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 626 transitions. [2021-08-25 21:44:31,499 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 626 transitions. Word has length 33 [2021-08-25 21:44:31,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:31,499 INFO L470 AbstractCegarLoop]: Abstraction has 412 states and 626 transitions. [2021-08-25 21:44:31,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 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 21:44:31,500 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 626 transitions. [2021-08-25 21:44:31,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-08-25 21:44:31,502 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:31,502 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:44:31,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 21:44:31,502 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:31,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:31,503 INFO L82 PathProgramCache]: Analyzing trace with hash 242619611, now seen corresponding path program 1 times [2021-08-25 21:44:31,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:31,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516414270] [2021-08-25 21:44:31,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:31,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:31,606 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:31,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:31,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516414270] [2021-08-25 21:44:31,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516414270] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:31,607 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:31,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:44:31,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920302012] [2021-08-25 21:44:31,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:31,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:31,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:31,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:31,610 INFO L87 Difference]: Start difference. First operand 412 states and 626 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 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 21:44:32,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:32,252 INFO L93 Difference]: Finished difference Result 1194 states and 1821 transitions. [2021-08-25 21:44:32,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:32,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2021-08-25 21:44:32,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:32,257 INFO L225 Difference]: With dead ends: 1194 [2021-08-25 21:44:32,257 INFO L226 Difference]: Without dead ends: 784 [2021-08-25 21:44:32,260 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:32,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2021-08-25 21:44:32,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 784. [2021-08-25 21:44:32,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 783 states have (on average 1.3742017879948913) internal successors, (1076), 783 states have internal predecessors, (1076), 0 states have call successors, (0), 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 21:44:32,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1076 transitions. [2021-08-25 21:44:32,299 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1076 transitions. Word has length 99 [2021-08-25 21:44:32,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:32,300 INFO L470 AbstractCegarLoop]: Abstraction has 784 states and 1076 transitions. [2021-08-25 21:44:32,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 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 21:44:32,301 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1076 transitions. [2021-08-25 21:44:32,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-08-25 21:44:32,307 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:32,307 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:44:32,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 21:44:32,308 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:32,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:32,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1008967451, now seen corresponding path program 1 times [2021-08-25 21:44:32,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:32,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41415671] [2021-08-25 21:44:32,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:32,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:32,435 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:32,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:32,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41415671] [2021-08-25 21:44:32,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41415671] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:32,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:32,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:44:32,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137382028] [2021-08-25 21:44:32,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:32,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:32,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:32,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:32,443 INFO L87 Difference]: Start difference. First operand 784 states and 1076 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 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 21:44:33,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:33,078 INFO L93 Difference]: Finished difference Result 1936 states and 2599 transitions. [2021-08-25 21:44:33,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:33,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2021-08-25 21:44:33,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:33,088 INFO L225 Difference]: With dead ends: 1936 [2021-08-25 21:44:33,088 INFO L226 Difference]: Without dead ends: 1154 [2021-08-25 21:44:33,089 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:33,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2021-08-25 21:44:33,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1153. [2021-08-25 21:44:33,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1152 states have (on average 1.2699652777777777) internal successors, (1463), 1152 states have internal predecessors, (1463), 0 states have call successors, (0), 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 21:44:33,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1463 transitions. [2021-08-25 21:44:33,122 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1463 transitions. Word has length 103 [2021-08-25 21:44:33,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:33,122 INFO L470 AbstractCegarLoop]: Abstraction has 1153 states and 1463 transitions. [2021-08-25 21:44:33,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 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 21:44:33,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1463 transitions. [2021-08-25 21:44:33,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-08-25 21:44:33,125 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:33,126 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:44:33,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 21:44:33,126 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:33,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:33,127 INFO L82 PathProgramCache]: Analyzing trace with hash -2053609444, now seen corresponding path program 1 times [2021-08-25 21:44:33,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:33,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601965884] [2021-08-25 21:44:33,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:33,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:33,231 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:33,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:33,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601965884] [2021-08-25 21:44:33,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601965884] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:33,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:33,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:44:33,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362781995] [2021-08-25 21:44:33,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:33,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:33,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:33,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:33,238 INFO L87 Difference]: Start difference. First operand 1153 states and 1463 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:44:33,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:33,917 INFO L93 Difference]: Finished difference Result 2679 states and 3481 transitions. [2021-08-25 21:44:33,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:33,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 145 [2021-08-25 21:44:33,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:33,922 INFO L225 Difference]: With dead ends: 2679 [2021-08-25 21:44:33,923 INFO L226 Difference]: Without dead ends: 1712 [2021-08-25 21:44:33,924 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:33,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2021-08-25 21:44:33,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1521. [2021-08-25 21:44:33,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1520 states have (on average 1.255921052631579) internal successors, (1909), 1520 states have internal predecessors, (1909), 0 states have call successors, (0), 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 21:44:33,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1909 transitions. [2021-08-25 21:44:33,941 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1909 transitions. Word has length 145 [2021-08-25 21:44:33,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:33,941 INFO L470 AbstractCegarLoop]: Abstraction has 1521 states and 1909 transitions. [2021-08-25 21:44:33,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:44:33,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1909 transitions. [2021-08-25 21:44:33,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-08-25 21:44:33,943 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:33,944 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 21:44:33,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 21:44:33,944 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:33,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:33,944 INFO L82 PathProgramCache]: Analyzing trace with hash -2108128152, now seen corresponding path program 1 times [2021-08-25 21:44:33,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:33,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103102365] [2021-08-25 21:44:33,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:33,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:34,005 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-08-25 21:44:34,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:34,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103102365] [2021-08-25 21:44:34,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103102365] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:34,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:34,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:44:34,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892216113] [2021-08-25 21:44:34,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:34,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:34,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:34,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:34,008 INFO L87 Difference]: Start difference. First operand 1521 states and 1909 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 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 21:44:34,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:34,725 INFO L93 Difference]: Finished difference Result 3597 states and 4559 transitions. [2021-08-25 21:44:34,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:34,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 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 215 [2021-08-25 21:44:34,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:34,733 INFO L225 Difference]: With dead ends: 3597 [2021-08-25 21:44:34,733 INFO L226 Difference]: Without dead ends: 2078 [2021-08-25 21:44:34,735 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 21:44:34,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2021-08-25 21:44:34,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1889. [2021-08-25 21:44:34,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1889 states, 1888 states have (on average 1.2473516949152543) internal successors, (2355), 1888 states have internal predecessors, (2355), 0 states have call successors, (0), 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 21:44:34,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1889 states and 2355 transitions. [2021-08-25 21:44:34,762 INFO L78 Accepts]: Start accepts. Automaton has 1889 states and 2355 transitions. Word has length 215 [2021-08-25 21:44:34,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:34,764 INFO L470 AbstractCegarLoop]: Abstraction has 1889 states and 2355 transitions. [2021-08-25 21:44:34,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 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 21:44:34,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2355 transitions. [2021-08-25 21:44:34,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-08-25 21:44:34,766 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:34,766 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:44:34,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 21:44:34,767 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:34,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:34,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1531624061, now seen corresponding path program 1 times [2021-08-25 21:44:34,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:34,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620715789] [2021-08-25 21:44:34,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:34,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:34,888 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:34,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:34,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620715789] [2021-08-25 21:44:34,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620715789] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:34,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:34,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:44:34,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924462805] [2021-08-25 21:44:34,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:34,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:34,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:34,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:34,893 INFO L87 Difference]: Start difference. First operand 1889 states and 2355 transitions. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 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 21:44:35,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:35,582 INFO L93 Difference]: Finished difference Result 5075 states and 6326 transitions. [2021-08-25 21:44:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:35,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2021-08-25 21:44:35,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:35,591 INFO L225 Difference]: With dead ends: 5075 [2021-08-25 21:44:35,591 INFO L226 Difference]: Without dead ends: 3188 [2021-08-25 21:44:35,593 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:35,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3188 states. [2021-08-25 21:44:35,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3188 to 3186. [2021-08-25 21:44:35,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3186 states, 3185 states have (on average 1.2156985871271586) internal successors, (3872), 3185 states have internal predecessors, (3872), 0 states have call successors, (0), 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 21:44:35,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 3186 states and 3872 transitions. [2021-08-25 21:44:35,637 INFO L78 Accepts]: Start accepts. Automaton has 3186 states and 3872 transitions. Word has length 242 [2021-08-25 21:44:35,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:35,638 INFO L470 AbstractCegarLoop]: Abstraction has 3186 states and 3872 transitions. [2021-08-25 21:44:35,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 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 21:44:35,638 INFO L276 IsEmpty]: Start isEmpty. Operand 3186 states and 3872 transitions. [2021-08-25 21:44:35,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-08-25 21:44:35,641 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:35,641 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:44:35,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 21:44:35,641 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:35,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:35,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1612994281, now seen corresponding path program 1 times [2021-08-25 21:44:35,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:35,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78467157] [2021-08-25 21:44:35,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:35,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:35,811 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 127 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:35,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:35,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78467157] [2021-08-25 21:44:35,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78467157] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:44:35,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636930668] [2021-08-25 21:44:35,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:35,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:44:35,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:44:35,823 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 21:44:35,863 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 21:44:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:35,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 21:44:35,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:44:36,754 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-08-25 21:44:36,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636930668] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:36,755 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:44:36,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-08-25 21:44:36,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863849061] [2021-08-25 21:44:36,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:44:36,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:36,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:44:36,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-08-25 21:44:36,757 INFO L87 Difference]: Start difference. First operand 3186 states and 3872 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 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 21:44:37,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:37,784 INFO L93 Difference]: Finished difference Result 9517 states and 11337 transitions. [2021-08-25 21:44:37,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:44:37,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 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 251 [2021-08-25 21:44:37,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:37,799 INFO L225 Difference]: With dead ends: 9517 [2021-08-25 21:44:37,799 INFO L226 Difference]: Without dead ends: 6333 [2021-08-25 21:44:37,803 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 46.8ms TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-08-25 21:44:37,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6333 states. [2021-08-25 21:44:37,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6333 to 4667. [2021-08-25 21:44:37,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4667 states, 4666 states have (on average 1.1939562794684955) internal successors, (5571), 4666 states have internal predecessors, (5571), 0 states have call successors, (0), 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 21:44:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4667 states to 4667 states and 5571 transitions. [2021-08-25 21:44:37,878 INFO L78 Accepts]: Start accepts. Automaton has 4667 states and 5571 transitions. Word has length 251 [2021-08-25 21:44:37,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:37,879 INFO L470 AbstractCegarLoop]: Abstraction has 4667 states and 5571 transitions. [2021-08-25 21:44:37,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 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 21:44:37,879 INFO L276 IsEmpty]: Start isEmpty. Operand 4667 states and 5571 transitions. [2021-08-25 21:44:37,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-08-25 21:44:37,882 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:37,882 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 21:44:37,902 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 21:44:38,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:44:38,097 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:38,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:38,097 INFO L82 PathProgramCache]: Analyzing trace with hash 526105738, now seen corresponding path program 1 times [2021-08-25 21:44:38,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:38,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381249046] [2021-08-25 21:44:38,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:38,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:38,182 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-08-25 21:44:38,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:38,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381249046] [2021-08-25 21:44:38,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381249046] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:38,183 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:38,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:44:38,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533355854] [2021-08-25 21:44:38,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:38,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:38,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:38,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:38,185 INFO L87 Difference]: Start difference. First operand 4667 states and 5571 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 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 21:44:38,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:38,786 INFO L93 Difference]: Finished difference Result 5957 states and 7065 transitions. [2021-08-25 21:44:38,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:38,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 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 252 [2021-08-25 21:44:38,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:38,800 INFO L225 Difference]: With dead ends: 5957 [2021-08-25 21:44:38,800 INFO L226 Difference]: Without dead ends: 5955 [2021-08-25 21:44:38,801 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 21:44:38,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5955 states. [2021-08-25 21:44:38,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5955 to 5771. [2021-08-25 21:44:38,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5771 states, 5770 states have (on average 1.1880415944540728) internal successors, (6855), 5770 states have internal predecessors, (6855), 0 states have call successors, (0), 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 21:44:38,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5771 states to 5771 states and 6855 transitions. [2021-08-25 21:44:38,868 INFO L78 Accepts]: Start accepts. Automaton has 5771 states and 6855 transitions. Word has length 252 [2021-08-25 21:44:38,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:38,868 INFO L470 AbstractCegarLoop]: Abstraction has 5771 states and 6855 transitions. [2021-08-25 21:44:38,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 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 21:44:38,868 INFO L276 IsEmpty]: Start isEmpty. Operand 5771 states and 6855 transitions. [2021-08-25 21:44:38,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-08-25 21:44:38,871 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:38,871 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 21:44:38,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-25 21:44:38,871 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:38,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:38,872 INFO L82 PathProgramCache]: Analyzing trace with hash 170318718, now seen corresponding path program 1 times [2021-08-25 21:44:38,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:38,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100177933] [2021-08-25 21:44:38,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:38,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:39,033 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 56 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:39,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:39,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100177933] [2021-08-25 21:44:39,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100177933] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:44:39,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495889050] [2021-08-25 21:44:39,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:39,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:44:39,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:44:39,037 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 21:44:39,070 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 21:44:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:39,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 21:44:39,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:44:39,893 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-08-25 21:44:39,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495889050] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:39,893 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:44:39,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-08-25 21:44:39,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965744985] [2021-08-25 21:44:39,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:39,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:39,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:39,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-08-25 21:44:39,895 INFO L87 Difference]: Start difference. First operand 5771 states and 6855 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 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 21:44:40,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:40,553 INFO L93 Difference]: Finished difference Result 13197 states and 15677 transitions. [2021-08-25 21:44:40,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:40,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 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 252 [2021-08-25 21:44:40,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:40,582 INFO L225 Difference]: With dead ends: 13197 [2021-08-25 21:44:40,596 INFO L226 Difference]: Without dead ends: 7428 [2021-08-25 21:44:40,601 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 35.2ms TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-08-25 21:44:40,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7428 states. [2021-08-25 21:44:40,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7428 to 4655. [2021-08-25 21:44:40,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4655 states, 4654 states have (on average 1.1931671680275033) internal successors, (5553), 4654 states have internal predecessors, (5553), 0 states have call successors, (0), 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 21:44:40,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4655 states to 4655 states and 5553 transitions. [2021-08-25 21:44:40,680 INFO L78 Accepts]: Start accepts. Automaton has 4655 states and 5553 transitions. Word has length 252 [2021-08-25 21:44:40,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:40,681 INFO L470 AbstractCegarLoop]: Abstraction has 4655 states and 5553 transitions. [2021-08-25 21:44:40,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 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 21:44:40,681 INFO L276 IsEmpty]: Start isEmpty. Operand 4655 states and 5553 transitions. [2021-08-25 21:44:40,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-08-25 21:44:40,683 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:40,684 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 21:44:40,702 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 21:44:40,900 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,SelfDestructingSolverStorable8 [2021-08-25 21:44:40,900 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:40,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:40,901 INFO L82 PathProgramCache]: Analyzing trace with hash -432409783, now seen corresponding path program 1 times [2021-08-25 21:44:40,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:40,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709675988] [2021-08-25 21:44:40,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:40,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-08-25 21:44:40,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:40,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709675988] [2021-08-25 21:44:40,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709675988] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:40,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:40,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:44:40,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042774718] [2021-08-25 21:44:40,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:40,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:40,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:40,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:40,963 INFO L87 Difference]: Start difference. First operand 4655 states and 5553 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 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 21:44:41,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:41,580 INFO L93 Difference]: Finished difference Result 9304 states and 11101 transitions. [2021-08-25 21:44:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:41,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 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 263 [2021-08-25 21:44:41,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:41,581 INFO L225 Difference]: With dead ends: 9304 [2021-08-25 21:44:41,582 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 21:44:41,587 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 21:44:41,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 21:44:41,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 21:44:41,588 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 21:44:41,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 21:44:41,588 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 263 [2021-08-25 21:44:41,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:41,588 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 21:44:41,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 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 21:44:41,589 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 21:44:41,589 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 21:44:41,590 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 21:44:41,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-25 21:44:41,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 21:44:41,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 21:44:41,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 21:44:41,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 21:44:41,652 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-08-25 21:44:41,652 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,653 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-08-25 21:44:41,653 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,653 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,653 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,653 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,653 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,653 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,654 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-08-25 21:44:41,654 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-08-25 21:44:41,654 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-08-25 21:44:41,654 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,655 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,655 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,655 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,655 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,656 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,656 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,656 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,656 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,657 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,657 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-08-25 21:44:41,657 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-08-25 21:44:41,657 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-08-25 21:44:41,658 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,658 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-08-25 21:44:41,658 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-08-25 21:44:41,658 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,658 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,658 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,658 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,658 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,658 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,659 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-08-25 21:44:41,659 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-08-25 21:44:41,659 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-08-25 21:44:41,659 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,659 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,659 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,659 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (or (= ~a25~0 12) (= ~a25~0 11) (<= ~a25~0 10) (<= ~a29~0 245) (not (= ~a4~0 1)) (<= 97 ~a23~0)) [2021-08-25 21:44:41,659 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,659 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-08-25 21:44:41,660 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-08-25 21:44:41,660 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,660 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,660 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,660 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,660 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,660 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,660 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-08-25 21:44:41,660 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-08-25 21:44:41,661 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-08-25 21:44:41,661 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-08-25 21:44:41,661 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,661 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,661 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,661 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,661 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,661 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,661 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,662 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-08-25 21:44:41,662 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-08-25 21:44:41,662 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-08-25 21:44:41,662 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,662 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,662 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,662 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,662 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,662 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,662 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,663 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,663 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,663 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-08-25 21:44:41,663 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-08-25 21:44:41,663 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-08-25 21:44:41,663 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,664 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (or (= ~a25~0 12) (= ~a25~0 11) (<= ~a25~0 10) (<= ~a29~0 245) (not (= ~a4~0 1)) (<= 97 ~a23~0)) [2021-08-25 21:44:41,664 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,664 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,664 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,664 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,664 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,664 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,664 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,664 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,665 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-08-25 21:44:41,665 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-08-25 21:44:41,665 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-08-25 21:44:41,665 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-08-25 21:44:41,666 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-08-25 21:44:41,666 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-08-25 21:44:41,666 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-08-25 21:44:41,666 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,666 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,667 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,667 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,667 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,667 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,667 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,667 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,667 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,667 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,667 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 21:44:41,668 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-08-25 21:44:41,668 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-08-25 21:44:41,668 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-08-25 21:44:41,668 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-08-25 21:44:41,668 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,668 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,669 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,669 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,669 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,669 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-08-25 21:44:41,669 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-08-25 21:44:41,669 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-08-25 21:44:41,669 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,669 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,670 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,670 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,670 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-08-25 21:44:41,670 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-08-25 21:44:41,670 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,670 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,670 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,670 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,670 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,670 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,671 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-08-25 21:44:41,671 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-08-25 21:44:41,671 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,671 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,671 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-08-25 21:44:41,671 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-08-25 21:44:41,671 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-08-25 21:44:41,671 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 21:44:41,671 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 115) no Hoare annotation was computed. [2021-08-25 21:44:41,672 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,672 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,672 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,672 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,672 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,672 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,672 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,672 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-08-25 21:44:41,672 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-08-25 21:44:41,673 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-08-25 21:44:41,673 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-08-25 21:44:41,673 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-08-25 21:44:41,673 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-08-25 21:44:41,673 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-08-25 21:44:41,673 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,673 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,673 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-08-25 21:44:41,673 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-08-25 21:44:41,674 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,674 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,674 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,674 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,674 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,674 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-08-25 21:44:41,674 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-08-25 21:44:41,674 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-08-25 21:44:41,674 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,674 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,675 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,675 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,675 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,675 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,675 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-08-25 21:44:41,675 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-08-25 21:44:41,675 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-08-25 21:44:41,675 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,675 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,676 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,676 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,676 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,676 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,676 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,676 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,676 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-08-25 21:44:41,676 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-08-25 21:44:41,676 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-08-25 21:44:41,677 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,677 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,677 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,677 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,677 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,677 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,677 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,677 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,677 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,678 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,678 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,678 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-08-25 21:44:41,678 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-08-25 21:44:41,678 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-08-25 21:44:41,678 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-08-25 21:44:41,678 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-08-25 21:44:41,678 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,678 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,678 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,679 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,679 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,679 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,679 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,679 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-08-25 21:44:41,679 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-08-25 21:44:41,679 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-08-25 21:44:41,679 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,679 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,680 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,680 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-08-25 21:44:41,680 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-08-25 21:44:41,680 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,680 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,680 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,680 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,680 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,680 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-08-25 21:44:41,681 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-08-25 21:44:41,681 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,681 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,681 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-08-25 21:44:41,681 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-08-25 21:44:41,681 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,681 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 21:44:41,681 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,681 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,682 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,682 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,682 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,682 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-08-25 21:44:41,682 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-08-25 21:44:41,682 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-08-25 21:44:41,682 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-08-25 21:44:41,683 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,683 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,683 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,683 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,683 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,683 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,683 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,683 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,684 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-08-25 21:44:41,684 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-08-25 21:44:41,684 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-08-25 21:44:41,684 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-08-25 21:44:41,684 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-08-25 21:44:41,685 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-08-25 21:44:41,685 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,685 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,685 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,685 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,685 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,686 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,686 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,686 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-08-25 21:44:41,687 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-08-25 21:44:41,687 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 21:44:41,687 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,687 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,687 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,687 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,687 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,687 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,687 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-08-25 21:44:41,687 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-08-25 21:44:41,688 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,688 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,688 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,688 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,688 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,688 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,688 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,688 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-08-25 21:44:41,688 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:44:41,688 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,689 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,689 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-08-25 21:44:41,689 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-08-25 21:44:41,689 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-08-25 21:44:41,689 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-08-25 21:44:41,694 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 21:44:41,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 09:44:41 BoogieIcfgContainer [2021-08-25 21:44:41,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 21:44:41,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 21:44:41,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 21:44:41,705 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 21:44:41,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:44:30" (3/4) ... [2021-08-25 21:44:41,709 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 21:44:41,728 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-25 21:44:41,729 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 21:44:41,730 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 21:44:41,731 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 21:44:41,830 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 21:44:41,830 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 21:44:41,831 INFO L168 Benchmark]: Toolchain (without parser) took 13505.53 ms. Allocated memory was 56.6 MB in the beginning and 570.4 MB in the end (delta: 513.8 MB). Free memory was 32.5 MB in the beginning and 479.9 MB in the end (delta: -447.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 16.1 GB. [2021-08-25 21:44:41,832 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 56.6 MB. Free memory was 38.8 MB in the beginning and 38.8 MB in the end (delta: 44.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 21:44:41,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.45 ms. Allocated memory was 56.6 MB in the beginning and 81.8 MB in the end (delta: 25.2 MB). Free memory was 32.2 MB in the beginning and 50.7 MB in the end (delta: -18.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2021-08-25 21:44:41,833 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.66 ms. Allocated memory is still 81.8 MB. Free memory was 50.7 MB in the beginning and 49.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. [2021-08-25 21:44:41,833 INFO L168 Benchmark]: Boogie Preprocessor took 93.63 ms. Allocated memory is still 81.8 MB. Free memory was 49.4 MB in the beginning and 40.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-25 21:44:41,833 INFO L168 Benchmark]: RCFGBuilder took 1253.38 ms. Allocated memory was 81.8 MB in the beginning and 169.9 MB in the end (delta: 88.1 MB). Free memory was 40.1 MB in the beginning and 120.6 MB in the end (delta: -80.5 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. [2021-08-25 21:44:41,834 INFO L168 Benchmark]: TraceAbstraction took 11348.64 ms. Allocated memory was 169.9 MB in the beginning and 570.4 MB in the end (delta: 400.6 MB). Free memory was 120.6 MB in the beginning and 504.0 MB in the end (delta: -383.5 MB). Peak memory consumption was 243.6 MB. Max. memory is 16.1 GB. [2021-08-25 21:44:41,834 INFO L168 Benchmark]: Witness Printer took 125.22 ms. Allocated memory is still 570.4 MB. Free memory was 504.0 MB in the beginning and 479.9 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-08-25 21:44:41,835 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 56.6 MB. Free memory was 38.8 MB in the beginning and 38.8 MB in the end (delta: 44.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 576.45 ms. Allocated memory was 56.6 MB in the beginning and 81.8 MB in the end (delta: 25.2 MB). Free memory was 32.2 MB in the beginning and 50.7 MB in the end (delta: -18.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.66 ms. Allocated memory is still 81.8 MB. Free memory was 50.7 MB in the beginning and 49.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 93.63 ms. Allocated memory is still 81.8 MB. Free memory was 49.4 MB in the beginning and 40.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1253.38 ms. Allocated memory was 81.8 MB in the beginning and 169.9 MB in the end (delta: 88.1 MB). Free memory was 40.1 MB in the beginning and 120.6 MB in the end (delta: -80.5 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11348.64 ms. Allocated memory was 169.9 MB in the beginning and 570.4 MB in the end (delta: 400.6 MB). Free memory was 120.6 MB in the beginning and 504.0 MB in the end (delta: -383.5 MB). Peak memory consumption was 243.6 MB. Max. memory is 16.1 GB. * Witness Printer took 125.22 ms. Allocated memory is still 570.4 MB. Free memory was 504.0 MB in the beginning and 479.9 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 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: 115]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11288.0ms, OverallIterations: 10, TraceHistogramMax: 3, EmptinessCheckTime: 31.7ms, AutomataDifference: 7279.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 60.9ms, InitialAbstractionConstructionTime: 8.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1894 SDtfs, 1830 SDslu, 232 SDs, 0 SdLazy, 5913 SolverSat, 940 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5361.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 533 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 104.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=5771occurred in iteration=8, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 409.5ms AutomataMinimizationTime, 10 MinimizatonAttempts, 5016 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 55 NumberOfFragments, 41 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1420 FormulaSimplificationTreeSizeReduction, 39.8ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 15.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 101.0ms SsaConstructionTime, 379.1ms SatisfiabilityAnalysisTime, 2179.8ms InterpolantComputationTime, 2358 NumberOfCodeBlocks, 2358 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2346 ConstructedInterpolants, 0 QuantifiedInterpolants, 10060 SizeOfPredicates, 0 NumberOfNonLiveVariables, 752 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 1182/1301 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((a25 == 12 || a25 == 11) || a25 <= 10) || a29 <= 245) || !(a4 == 1)) || 97 <= a23 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((a25 == 12 || a25 == 11) || a25 <= 10) || a29 <= 245) || !(a4 == 1)) || 97 <= a23 - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-25 21:44:41,851 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...