./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label42.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.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/Problem14_label42.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 f9053f15b26afd45cfc40eb18ae7e573013569b5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 23:29:08,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:29:08,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:29:08,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:29:08,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:29:08,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:29:08,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:29:08,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:29:08,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:29:08,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:29:08,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:29:08,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:29:08,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:29:08,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:29:08,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:29:08,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:29:08,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:29:08,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:29:08,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:29:08,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:29:08,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:29:08,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:29:08,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:29:08,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:29:08,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:29:08,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:29:08,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:29:08,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:29:08,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:29:08,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:29:08,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:29:08,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:29:08,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:29:08,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:29:08,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:29:08,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:29:08,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:29:08,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:29:08,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:29:08,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:29:08,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:29:08,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:29:08,933 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:29:08,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:29:08,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:29:08,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:29:08,936 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:29:08,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:29:08,936 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:29:08,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:29:08,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:29:08,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:29:08,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:29:08,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:29:08,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:29:08,937 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:29:08,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:29:08,938 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:29:08,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:29:08,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:29:08,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:29:08,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:29:08,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:29:08,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:29:08,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:29:08,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:29:08,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:29:08,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:29:08,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:29:08,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:29:08,940 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:29:08,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> f9053f15b26afd45cfc40eb18ae7e573013569b5 [2020-10-19 23:29:09,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:29:09,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:29:09,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:29:09,180 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:29:09,181 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:29:09,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label42.c [2020-10-19 23:29:09,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/533503f53/ff809604f152420fa1b78a6e0433a562/FLAG821ae4912 [2020-10-19 23:29:09,872 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:29:09,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label42.c [2020-10-19 23:29:09,885 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/533503f53/ff809604f152420fa1b78a6e0433a562/FLAG821ae4912 [2020-10-19 23:29:10,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/533503f53/ff809604f152420fa1b78a6e0433a562 [2020-10-19 23:29:10,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:29:10,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:29:10,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:29:10,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:29:10,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:29:10,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:29:10" (1/1) ... [2020-10-19 23:29:10,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ae5b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:10, skipping insertion in model container [2020-10-19 23:29:10,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:29:10" (1/1) ... [2020-10-19 23:29:10,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:29:10,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:29:10,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:29:10,810 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:29:10,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:29:10,951 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:29:10,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:10 WrapperNode [2020-10-19 23:29:10,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:29:10,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:29:10,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:29:10,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:29:10,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:10" (1/1) ... [2020-10-19 23:29:10,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:10" (1/1) ... [2020-10-19 23:29:11,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:29:11,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:29:11,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:29:11,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:29:11,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:10" (1/1) ... [2020-10-19 23:29:11,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:10" (1/1) ... [2020-10-19 23:29:11,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:10" (1/1) ... [2020-10-19 23:29:11,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:10" (1/1) ... [2020-10-19 23:29:11,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:10" (1/1) ... [2020-10-19 23:29:11,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:10" (1/1) ... [2020-10-19 23:29:11,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:10" (1/1) ... [2020-10-19 23:29:11,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:29:11,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:29:11,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:29:11,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:29:11,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:29:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:29:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:29:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:29:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:29:13,075 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:29:13,076 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:29:13,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:29:13 BoogieIcfgContainer [2020-10-19 23:29:13,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:29:13,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:29:13,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:29:13,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:29:13,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:29:10" (1/3) ... [2020-10-19 23:29:13,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ede183b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:29:13, skipping insertion in model container [2020-10-19 23:29:13,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:10" (2/3) ... [2020-10-19 23:29:13,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ede183b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:29:13, skipping insertion in model container [2020-10-19 23:29:13,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:29:13" (3/3) ... [2020-10-19 23:29:13,093 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label42.c [2020-10-19 23:29:13,107 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:29:13,117 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:29:13,134 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:29:13,180 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:29:13,181 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:29:13,181 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:29:13,182 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:29:13,182 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:29:13,182 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:29:13,182 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:29:13,188 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:29:13,212 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-10-19 23:29:13,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-19 23:29:13,221 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:13,222 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:13,223 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:13,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:13,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1824112922, now seen corresponding path program 1 times [2020-10-19 23:29:13,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:13,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435288721] [2020-10-19 23:29:13,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:13,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:29:13,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435288721] [2020-10-19 23:29:13,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:13,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:29:13,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785888702] [2020-10-19 23:29:13,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:13,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:13,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:13,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:13,576 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-10-19 23:29:14,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:14,795 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-10-19 23:29:14,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:14,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-10-19 23:29:14,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:14,815 INFO L225 Difference]: With dead ends: 670 [2020-10-19 23:29:14,816 INFO L226 Difference]: Without dead ends: 360 [2020-10-19 23:29:14,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:14,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-19 23:29:14,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-10-19 23:29:14,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-10-19 23:29:14,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 546 transitions. [2020-10-19 23:29:14,890 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 546 transitions. Word has length 42 [2020-10-19 23:29:14,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:14,891 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 546 transitions. [2020-10-19 23:29:14,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:14,891 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 546 transitions. [2020-10-19 23:29:14,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-19 23:29:14,895 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:14,896 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:14,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:29:14,896 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:14,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:14,897 INFO L82 PathProgramCache]: Analyzing trace with hash 26757657, now seen corresponding path program 1 times [2020-10-19 23:29:14,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:14,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260669993] [2020-10-19 23:29:14,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:15,204 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:29:15,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260669993] [2020-10-19 23:29:15,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:15,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:29:15,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69180230] [2020-10-19 23:29:15,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:15,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:15,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:15,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:15,208 INFO L87 Difference]: Start difference. First operand 360 states and 546 transitions. Second operand 3 states. [2020-10-19 23:29:16,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:16,220 INFO L93 Difference]: Finished difference Result 1076 states and 1634 transitions. [2020-10-19 23:29:16,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:16,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-10-19 23:29:16,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:16,230 INFO L225 Difference]: With dead ends: 1076 [2020-10-19 23:29:16,230 INFO L226 Difference]: Without dead ends: 718 [2020-10-19 23:29:16,237 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:16,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-10-19 23:29:16,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 716. [2020-10-19 23:29:16,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-10-19 23:29:16,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 969 transitions. [2020-10-19 23:29:16,310 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 969 transitions. Word has length 117 [2020-10-19 23:29:16,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:16,311 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 969 transitions. [2020-10-19 23:29:16,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:16,311 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 969 transitions. [2020-10-19 23:29:16,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-19 23:29:16,320 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:16,321 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:16,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:29:16,321 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:16,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:16,322 INFO L82 PathProgramCache]: Analyzing trace with hash -2082906353, now seen corresponding path program 1 times [2020-10-19 23:29:16,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:16,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72503104] [2020-10-19 23:29:16,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:16,521 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:29:16,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72503104] [2020-10-19 23:29:16,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:16,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:29:16,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683310168] [2020-10-19 23:29:16,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:29:16,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:16,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:29:16,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:29:16,525 INFO L87 Difference]: Start difference. First operand 716 states and 969 transitions. Second operand 4 states. [2020-10-19 23:29:17,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:17,996 INFO L93 Difference]: Finished difference Result 1966 states and 2575 transitions. [2020-10-19 23:29:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:29:17,997 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2020-10-19 23:29:17,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:18,007 INFO L225 Difference]: With dead ends: 1966 [2020-10-19 23:29:18,007 INFO L226 Difference]: Without dead ends: 1252 [2020-10-19 23:29:18,009 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:29:18,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2020-10-19 23:29:18,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2020-10-19 23:29:18,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-10-19 23:29:18,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1546 transitions. [2020-10-19 23:29:18,039 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1546 transitions. Word has length 121 [2020-10-19 23:29:18,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:18,040 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1546 transitions. [2020-10-19 23:29:18,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:29:18,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1546 transitions. [2020-10-19 23:29:18,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-19 23:29:18,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:18,046 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 23:29:18,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:29:18,046 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:18,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:18,046 INFO L82 PathProgramCache]: Analyzing trace with hash 753012003, now seen corresponding path program 1 times [2020-10-19 23:29:18,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:18,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761094292] [2020-10-19 23:29:18,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:18,282 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-19 23:29:18,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761094292] [2020-10-19 23:29:18,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:18,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:29:18,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116773506] [2020-10-19 23:29:18,284 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:29:18,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:18,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:29:18,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:29:18,285 INFO L87 Difference]: Start difference. First operand 1250 states and 1546 transitions. Second operand 4 states. [2020-10-19 23:29:19,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:19,378 INFO L93 Difference]: Finished difference Result 2707 states and 3359 transitions. [2020-10-19 23:29:19,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:29:19,379 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 201 [2020-10-19 23:29:19,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:19,390 INFO L225 Difference]: With dead ends: 2707 [2020-10-19 23:29:19,391 INFO L226 Difference]: Without dead ends: 1608 [2020-10-19 23:29:19,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:29:19,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-10-19 23:29:19,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2020-10-19 23:29:19,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-10-19 23:29:19,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1804 transitions. [2020-10-19 23:29:19,462 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1804 transitions. Word has length 201 [2020-10-19 23:29:19,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:19,462 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1804 transitions. [2020-10-19 23:29:19,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:29:19,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1804 transitions. [2020-10-19 23:29:19,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-10-19 23:29:19,467 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:19,467 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:19,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:29:19,468 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:19,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:19,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1051208272, now seen corresponding path program 1 times [2020-10-19 23:29:19,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:19,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588830651] [2020-10-19 23:29:19,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:19,965 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 167 proven. 130 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-19 23:29:19,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588830651] [2020-10-19 23:29:19,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473324356] [2020-10-19 23:29:19,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:20,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:29:20,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:20,635 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-10-19 23:29:20,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:20,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-10-19 23:29:20,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189353610] [2020-10-19 23:29:20,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:20,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:20,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:20,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:29:20,642 INFO L87 Difference]: Start difference. First operand 1606 states and 1804 transitions. Second operand 3 states. [2020-10-19 23:29:21,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:21,649 INFO L93 Difference]: Finished difference Result 3388 states and 3907 transitions. [2020-10-19 23:29:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:21,650 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 328 [2020-10-19 23:29:21,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:21,661 INFO L225 Difference]: With dead ends: 3388 [2020-10-19 23:29:21,661 INFO L226 Difference]: Without dead ends: 1962 [2020-10-19 23:29:21,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:29:21,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-19 23:29:21,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962. [2020-10-19 23:29:21,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-10-19 23:29:21,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2201 transitions. [2020-10-19 23:29:21,708 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2201 transitions. Word has length 328 [2020-10-19 23:29:21,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:21,709 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2201 transitions. [2020-10-19 23:29:21,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:21,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2201 transitions. [2020-10-19 23:29:21,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-10-19 23:29:21,715 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:21,715 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:21,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:21,932 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:21,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:21,933 INFO L82 PathProgramCache]: Analyzing trace with hash -81049818, now seen corresponding path program 1 times [2020-10-19 23:29:21,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:21,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995380516] [2020-10-19 23:29:21,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:22,417 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 250 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:29:22,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995380516] [2020-10-19 23:29:22,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823877923] [2020-10-19 23:29:22,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:22,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:29:22,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:22,796 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-10-19 23:29:22,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:22,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-19 23:29:22,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393808339] [2020-10-19 23:29:22,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:22,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:22,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:22,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:22,807 INFO L87 Difference]: Start difference. First operand 1962 states and 2201 transitions. Second operand 3 states. [2020-10-19 23:29:23,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:23,759 INFO L93 Difference]: Finished difference Result 3922 states and 4435 transitions. [2020-10-19 23:29:23,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:23,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 332 [2020-10-19 23:29:23,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:23,775 INFO L225 Difference]: With dead ends: 3922 [2020-10-19 23:29:23,775 INFO L226 Difference]: Without dead ends: 1962 [2020-10-19 23:29:23,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:23,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-19 23:29:23,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1606. [2020-10-19 23:29:23,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-10-19 23:29:23,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1800 transitions. [2020-10-19 23:29:23,834 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1800 transitions. Word has length 332 [2020-10-19 23:29:23,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:23,835 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1800 transitions. [2020-10-19 23:29:23,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:23,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1800 transitions. [2020-10-19 23:29:23,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2020-10-19 23:29:23,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:23,842 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2020-10-19 23:29:24,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:24,058 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:24,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:24,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1591264658, now seen corresponding path program 1 times [2020-10-19 23:29:24,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:24,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903011652] [2020-10-19 23:29:24,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:24,302 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:29:24,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903011652] [2020-10-19 23:29:24,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:24,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:29:24,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009760796] [2020-10-19 23:29:24,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:24,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:24,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:24,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:24,305 INFO L87 Difference]: Start difference. First operand 1606 states and 1800 transitions. Second operand 3 states. [2020-10-19 23:29:25,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:25,146 INFO L93 Difference]: Finished difference Result 3566 states and 4070 transitions. [2020-10-19 23:29:25,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:25,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 359 [2020-10-19 23:29:25,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:25,160 INFO L225 Difference]: With dead ends: 3566 [2020-10-19 23:29:25,160 INFO L226 Difference]: Without dead ends: 2140 [2020-10-19 23:29:25,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:25,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-10-19 23:29:25,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 1962. [2020-10-19 23:29:25,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-10-19 23:29:25,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2206 transitions. [2020-10-19 23:29:25,217 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2206 transitions. Word has length 359 [2020-10-19 23:29:25,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:25,218 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2206 transitions. [2020-10-19 23:29:25,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:25,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2206 transitions. [2020-10-19 23:29:25,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2020-10-19 23:29:25,225 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:25,225 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:25,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:29:25,226 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:25,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:25,227 INFO L82 PathProgramCache]: Analyzing trace with hash 480125513, now seen corresponding path program 1 times [2020-10-19 23:29:25,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:25,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861730048] [2020-10-19 23:29:25,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:25,779 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 303 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:29:25,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861730048] [2020-10-19 23:29:25,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417712335] [2020-10-19 23:29:25,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:25,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:29:25,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:26,075 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:29:26,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:26,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-19 23:29:26,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186474175] [2020-10-19 23:29:26,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:26,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:26,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:26,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:26,085 INFO L87 Difference]: Start difference. First operand 1962 states and 2206 transitions. Second operand 3 states. [2020-10-19 23:29:26,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:26,845 INFO L93 Difference]: Finished difference Result 3566 states and 4052 transitions. [2020-10-19 23:29:26,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:26,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 361 [2020-10-19 23:29:26,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:26,856 INFO L225 Difference]: With dead ends: 3566 [2020-10-19 23:29:26,857 INFO L226 Difference]: Without dead ends: 1962 [2020-10-19 23:29:26,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:26,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-19 23:29:26,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962. [2020-10-19 23:29:26,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-10-19 23:29:26,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2160 transitions. [2020-10-19 23:29:26,900 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2160 transitions. Word has length 361 [2020-10-19 23:29:26,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:26,901 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2160 transitions. [2020-10-19 23:29:26,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:26,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2160 transitions. [2020-10-19 23:29:26,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2020-10-19 23:29:26,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:26,908 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:27,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:27,124 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:27,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:27,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1890877039, now seen corresponding path program 1 times [2020-10-19 23:29:27,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:27,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589158680] [2020-10-19 23:29:27,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:27,342 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:29:27,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589158680] [2020-10-19 23:29:27,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:27,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:29:27,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442533842] [2020-10-19 23:29:27,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:27,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:27,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:27,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:27,344 INFO L87 Difference]: Start difference. First operand 1962 states and 2160 transitions. Second operand 3 states. [2020-10-19 23:29:28,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:28,173 INFO L93 Difference]: Finished difference Result 4634 states and 5185 transitions. [2020-10-19 23:29:28,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:28,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 366 [2020-10-19 23:29:28,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:28,194 INFO L225 Difference]: With dead ends: 4634 [2020-10-19 23:29:28,195 INFO L226 Difference]: Without dead ends: 3030 [2020-10-19 23:29:28,199 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:28,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2020-10-19 23:29:28,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2674. [2020-10-19 23:29:28,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2020-10-19 23:29:28,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 2963 transitions. [2020-10-19 23:29:28,289 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 2963 transitions. Word has length 366 [2020-10-19 23:29:28,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:28,292 INFO L481 AbstractCegarLoop]: Abstraction has 2674 states and 2963 transitions. [2020-10-19 23:29:28,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:28,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 2963 transitions. [2020-10-19 23:29:28,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2020-10-19 23:29:28,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:28,313 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:28,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 23:29:28,314 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:28,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:28,317 INFO L82 PathProgramCache]: Analyzing trace with hash 2052640905, now seen corresponding path program 1 times [2020-10-19 23:29:28,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:28,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212887015] [2020-10-19 23:29:28,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:29,162 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 605 proven. 130 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-19 23:29:29,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212887015] [2020-10-19 23:29:29,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516641690] [2020-10-19 23:29:29,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:29,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:29:29,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:29,448 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2020-10-19 23:29:29,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:29,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-19 23:29:29,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347749553] [2020-10-19 23:29:29,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:29,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:29,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:29,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:29,452 INFO L87 Difference]: Start difference. First operand 2674 states and 2963 transitions. Second operand 3 states. [2020-10-19 23:29:30,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:30,232 INFO L93 Difference]: Finished difference Result 5522 states and 6171 transitions. [2020-10-19 23:29:30,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:30,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 462 [2020-10-19 23:29:30,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:30,235 INFO L225 Difference]: With dead ends: 5522 [2020-10-19 23:29:30,235 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:29:30,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:30,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:29:30,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:29:30,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:29:30,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:29:30,241 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 462 [2020-10-19 23:29:30,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:30,242 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:29:30,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:30,242 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:29:30,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:29:30,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:30,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:29:30,581 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-19 23:29:30,582 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-19 23:29:30,582 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-19 23:29:30,582 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-19 23:29:30,582 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-19 23:29:30,582 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-19 23:29:30,582 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-19 23:29:30,582 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,582 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,583 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,583 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-19 23:29:30,583 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-19 23:29:30,583 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-19 23:29:30,583 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-19 23:29:30,583 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-19 23:29:30,583 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-19 23:29:30,583 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-19 23:29:30,583 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-19 23:29:30,584 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,584 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,584 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,584 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-19 23:29:30,584 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-19 23:29:30,584 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-19 23:29:30,584 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-19 23:29:30,584 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-19 23:29:30,584 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-19 23:29:30,585 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-19 23:29:30,585 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-19 23:29:30,585 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,585 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,585 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,585 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-19 23:29:30,585 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-19 23:29:30,585 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-19 23:29:30,586 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-19 23:29:30,586 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-19 23:29:30,586 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-19 23:29:30,586 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-19 23:29:30,586 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-19 23:29:30,586 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-19 23:29:30,586 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,586 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,586 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,587 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-19 23:29:30,587 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-19 23:29:30,587 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-19 23:29:30,587 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-19 23:29:30,587 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-19 23:29:30,587 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-19 23:29:30,587 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-19 23:29:30,587 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,587 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,587 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,588 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-19 23:29:30,588 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-19 23:29:30,588 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-19 23:29:30,588 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-19 23:29:30,588 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-19 23:29:30,588 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-19 23:29:30,588 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-19 23:29:30,588 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-19 23:29:30,588 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-19 23:29:30,589 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,589 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,589 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,589 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-19 23:29:30,589 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-19 23:29:30,589 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-19 23:29:30,589 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-19 23:29:30,589 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-19 23:29:30,589 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-19 23:29:30,590 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-19 23:29:30,590 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-19 23:29:30,590 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,590 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,590 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,590 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-19 23:29:30,590 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-19 23:29:30,590 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-19 23:29:30,590 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-19 23:29:30,591 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-19 23:29:30,591 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-19 23:29:30,591 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:29:30,591 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-19 23:29:30,591 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-19 23:29:30,591 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,591 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,591 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,591 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-19 23:29:30,592 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-19 23:29:30,592 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-19 23:29:30,592 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-19 23:29:30,592 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-19 23:29:30,592 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-19 23:29:30,592 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-19 23:29:30,592 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-19 23:29:30,592 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,592 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,592 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,593 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-19 23:29:30,593 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-19 23:29:30,593 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-19 23:29:30,593 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-19 23:29:30,593 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-19 23:29:30,593 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-19 23:29:30,593 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-19 23:29:30,593 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-19 23:29:30,593 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,593 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,594 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,594 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:29:30,594 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:29:30,594 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-19 23:29:30,594 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-19 23:29:30,594 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-19 23:29:30,594 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-19 23:29:30,594 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-19 23:29:30,594 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-19 23:29:30,595 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-19 23:29:30,595 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-19 23:29:30,595 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,595 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,595 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,595 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-19 23:29:30,595 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-19 23:29:30,595 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-19 23:29:30,595 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-19 23:29:30,595 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-19 23:29:30,596 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-19 23:29:30,596 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:29:30,596 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-19 23:29:30,596 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-19 23:29:30,596 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,596 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,596 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,596 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-19 23:29:30,596 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-19 23:29:30,596 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-19 23:29:30,597 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-19 23:29:30,597 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-19 23:29:30,597 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-19 23:29:30,597 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-19 23:29:30,597 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-19 23:29:30,597 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,597 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,597 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-19 23:29:30,597 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-19 23:29:30,597 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-19 23:29:30,598 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-19 23:29:30,598 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-19 23:29:30,598 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-19 23:29:30,598 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-19 23:29:30,598 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-19 23:29:30,598 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,598 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,598 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-19 23:29:30,598 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-19 23:29:30,598 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-19 23:29:30,599 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-19 23:29:30,599 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-19 23:29:30,599 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-19 23:29:30,599 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,599 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,599 INFO L270 CegarLoopResult]: At program point L873(lines 22 874) the Hoare annotation is: (or (< 0 (+ ~a12~0 43)) (<= 10 ~a21~0) (<= ~a15~0 6) (<= ~a21~0 8)) [2020-10-19 23:29:30,599 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-19 23:29:30,600 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-19 23:29:30,600 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-19 23:29:30,600 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-19 23:29:30,600 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-19 23:29:30,600 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-19 23:29:30,600 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-19 23:29:30,600 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-19 23:29:30,600 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,600 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,601 INFO L277 CegarLoopResult]: At program point L876(lines 876 892) the Hoare annotation is: true [2020-10-19 23:29:30,601 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-19 23:29:30,601 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-19 23:29:30,601 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-19 23:29:30,601 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-19 23:29:30,601 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-19 23:29:30,601 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-19 23:29:30,601 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-19 23:29:30,601 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:29:30,601 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,602 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,602 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-19 23:29:30,602 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-19 23:29:30,602 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-19 23:29:30,602 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-19 23:29:30,602 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-19 23:29:30,602 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-19 23:29:30,602 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,602 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,602 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-19 23:29:30,603 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,603 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-19 23:29:30,603 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (or (< 0 (+ ~a12~0 43)) (<= 10 ~a21~0) (<= ~a15~0 6) (<= ~a21~0 8)) [2020-10-19 23:29:30,603 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-19 23:29:30,603 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-19 23:29:30,603 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-19 23:29:30,603 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-19 23:29:30,603 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-19 23:29:30,603 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-19 23:29:30,604 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-19 23:29:30,604 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-19 23:29:30,604 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-19 23:29:30,604 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,604 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,604 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,604 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-19 23:29:30,604 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-19 23:29:30,604 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-19 23:29:30,605 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-19 23:29:30,605 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-19 23:29:30,605 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:29:30,605 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-19 23:29:30,605 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-19 23:29:30,605 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-19 23:29:30,605 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-19 23:29:30,605 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,605 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,606 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,606 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-19 23:29:30,606 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-19 23:29:30,606 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-19 23:29:30,606 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-19 23:29:30,606 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-19 23:29:30,606 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-19 23:29:30,606 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-19 23:29:30,606 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-19 23:29:30,607 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,607 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,607 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,607 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-19 23:29:30,607 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-19 23:29:30,607 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-19 23:29:30,607 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-19 23:29:30,607 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-19 23:29:30,607 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-19 23:29:30,607 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-19 23:29:30,608 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-19 23:29:30,608 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-19 23:29:30,608 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,608 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,608 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:30,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:29:30 BoogieIcfgContainer [2020-10-19 23:29:30,627 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:29:30,628 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:29:30,628 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:29:30,628 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:29:30,628 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:29:13" (3/4) ... [2020-10-19 23:29:30,632 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:29:30,662 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:29:30,664 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:29:30,665 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:29:30,667 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:29:30,872 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:29:30,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:29:30,875 INFO L168 Benchmark]: Toolchain (without parser) took 20792.36 ms. Allocated memory was 37.2 MB in the beginning and 277.9 MB in the end (delta: 240.6 MB). Free memory was 17.4 MB in the beginning and 192.8 MB in the end (delta: -175.5 MB). Peak memory consumption was 65.2 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:30,876 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 34.6 MB. Free memory was 9.6 MB in the beginning and 9.6 MB in the end (delta: 38.1 kB). Peak memory consumption was 38.1 kB. Max. memory is 14.3 GB. [2020-10-19 23:29:30,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 859.15 ms. Allocated memory was 37.2 MB in the beginning and 47.7 MB in the end (delta: 10.5 MB). Free memory was 16.4 MB in the beginning and 16.5 MB in the end (delta: -87.9 kB). Peak memory consumption was 15.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:30,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.74 ms. Allocated memory was 47.7 MB in the beginning and 48.2 MB in the end (delta: 524.3 kB). Free memory was 16.2 MB in the beginning and 21.6 MB in the end (delta: -5.4 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:30,878 INFO L168 Benchmark]: Boogie Preprocessor took 95.58 ms. Allocated memory is still 48.2 MB. Free memory was 21.6 MB in the beginning and 15.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:30,879 INFO L168 Benchmark]: RCFGBuilder took 1880.14 ms. Allocated memory was 48.2 MB in the beginning and 72.9 MB in the end (delta: 24.6 MB). Free memory was 15.0 MB in the beginning and 30.1 MB in the end (delta: -15.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:30,879 INFO L168 Benchmark]: TraceAbstraction took 17545.84 ms. Allocated memory was 72.9 MB in the beginning and 277.9 MB in the end (delta: 205.0 MB). Free memory was 29.6 MB in the beginning and 215.8 MB in the end (delta: -186.2 MB). Peak memory consumption was 210.3 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:30,880 INFO L168 Benchmark]: Witness Printer took 244.86 ms. Allocated memory is still 277.9 MB. Free memory was 215.8 MB in the beginning and 192.8 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:30,884 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 34.6 MB. Free memory was 9.6 MB in the beginning and 9.6 MB in the end (delta: 38.1 kB). Peak memory consumption was 38.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 859.15 ms. Allocated memory was 37.2 MB in the beginning and 47.7 MB in the end (delta: 10.5 MB). Free memory was 16.4 MB in the beginning and 16.5 MB in the end (delta: -87.9 kB). Peak memory consumption was 15.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 148.74 ms. Allocated memory was 47.7 MB in the beginning and 48.2 MB in the end (delta: 524.3 kB). Free memory was 16.2 MB in the beginning and 21.6 MB in the end (delta: -5.4 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 95.58 ms. Allocated memory is still 48.2 MB. Free memory was 21.6 MB in the beginning and 15.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1880.14 ms. Allocated memory was 48.2 MB in the beginning and 72.9 MB in the end (delta: 24.6 MB). Free memory was 15.0 MB in the beginning and 30.1 MB in the end (delta: -15.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 17545.84 ms. Allocated memory was 72.9 MB in the beginning and 277.9 MB in the end (delta: 205.0 MB). Free memory was 29.6 MB in the beginning and 215.8 MB in the end (delta: -186.2 MB). Peak memory consumption was 210.3 MB. Max. memory is 14.3 GB. * Witness Printer took 244.86 ms. Allocated memory is still 277.9 MB. Free memory was 215.8 MB in the beginning and 192.8 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((0 < a12 + 43 || 10 <= a21) || a15 <= 6) || a21 <= 8 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: ((0 < a12 + 43 || 10 <= a21) || a15 <= 6) || a21 <= 8 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.2s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1434 SDtfs, 1635 SDslu, 58 SDs, 0 SdLazy, 5244 SolverSat, 942 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1515 GetRequests, 1487 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2674occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 896 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 45 NumberOfFragments, 31 HoareAnnotationTreeSize, 3 FomulaSimplifications, 950 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 114 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 4172 NumberOfCodeBlocks, 4172 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 4158 ConstructedInterpolants, 0 QuantifiedInterpolants, 5046325 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2032 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 4501/5021 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...