./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label33.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_label33.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 d5df9af840eee9be10c1dcc577e348452ee2e849 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:28:35,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:28:35,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:28:35,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:28:35,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:28:35,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:28:35,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:28:35,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:28:35,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:28:35,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:28:35,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:28:35,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:28:35,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:28:35,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:28:35,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:28:35,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:28:35,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:28:35,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:28:35,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:28:35,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:28:35,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:28:35,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:28:35,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:28:35,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:28:35,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:28:35,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:28:35,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:28:35,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:28:35,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:28:35,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:28:35,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:28:35,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:28:35,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:28:35,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:28:35,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:28:35,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:28:35,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:28:35,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:28:35,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:28:35,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:28:35,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:28:35,814 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:28:35,866 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:28:35,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:28:35,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:28:35,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:28:35,870 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:28:35,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:28:35,871 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:28:35,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:28:35,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:28:35,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:28:35,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:28:35,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:28:35,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:28:35,874 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:28:35,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:28:35,875 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:28:35,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:28:35,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:28:35,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:28:35,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:28:35,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:28:35,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:28:35,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:28:35,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:28:35,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:28:35,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:28:35,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:28:35,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:28:35,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:28:35,879 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 -> d5df9af840eee9be10c1dcc577e348452ee2e849 [2020-10-19 23:28:36,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:28:36,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:28:36,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:28:36,134 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:28:36,135 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:28:36,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label33.c [2020-10-19 23:28:36,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c80933407/b1e0678c3b1f41cbbf4e654b6a6e50ef/FLAGb0b7d36dd [2020-10-19 23:28:36,791 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:28:36,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label33.c [2020-10-19 23:28:36,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c80933407/b1e0678c3b1f41cbbf4e654b6a6e50ef/FLAGb0b7d36dd [2020-10-19 23:28:37,062 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c80933407/b1e0678c3b1f41cbbf4e654b6a6e50ef [2020-10-19 23:28:37,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:28:37,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:28:37,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:28:37,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:28:37,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:28:37,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:28:37" (1/1) ... [2020-10-19 23:28:37,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56f0dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:37, skipping insertion in model container [2020-10-19 23:28:37,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:28:37" (1/1) ... [2020-10-19 23:28:37,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:28:37,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:28:37,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:28:37,745 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:28:37,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:28:37,953 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:28:37,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:37 WrapperNode [2020-10-19 23:28:37,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:28:37,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:28:37,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:28:37,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:28:37,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:37" (1/1) ... [2020-10-19 23:28:37,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:37" (1/1) ... [2020-10-19 23:28:38,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:28:38,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:28:38,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:28:38,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:28:38,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:37" (1/1) ... [2020-10-19 23:28:38,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:37" (1/1) ... [2020-10-19 23:28:38,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:37" (1/1) ... [2020-10-19 23:28:38,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:37" (1/1) ... [2020-10-19 23:28:38,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:37" (1/1) ... [2020-10-19 23:28:38,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:37" (1/1) ... [2020-10-19 23:28:38,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:37" (1/1) ... [2020-10-19 23:28:38,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:28:38,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:28:38,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:28:38,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:28:38,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:37" (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 23:28:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:28:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:28:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:28:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:28:39,918 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:28:39,919 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:28:39,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:28:39 BoogieIcfgContainer [2020-10-19 23:28:39,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:28:39,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:28:39,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:28:39,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:28:39,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:28:37" (1/3) ... [2020-10-19 23:28:39,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cee9af9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:28:39, skipping insertion in model container [2020-10-19 23:28:39,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:37" (2/3) ... [2020-10-19 23:28:39,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cee9af9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:28:39, skipping insertion in model container [2020-10-19 23:28:39,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:28:39" (3/3) ... [2020-10-19 23:28:39,940 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label33.c [2020-10-19 23:28:39,953 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:28:39,962 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:28:39,977 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:28:40,005 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:28:40,006 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:28:40,006 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:28:40,006 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:28:40,006 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:28:40,006 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:28:40,007 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:28:40,007 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:28:40,030 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-10-19 23:28:40,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-19 23:28:40,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:40,040 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:40,041 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:40,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:40,047 INFO L82 PathProgramCache]: Analyzing trace with hash -2074400678, now seen corresponding path program 1 times [2020-10-19 23:28:40,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:40,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5029890] [2020-10-19 23:28:40,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:40,378 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 23:28:40,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5029890] [2020-10-19 23:28:40,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:40,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:28:40,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683619929] [2020-10-19 23:28:40,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:40,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:40,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:40,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:40,404 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-10-19 23:28:41,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:41,488 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-10-19 23:28:41,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:41,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-10-19 23:28:41,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:41,508 INFO L225 Difference]: With dead ends: 670 [2020-10-19 23:28:41,508 INFO L226 Difference]: Without dead ends: 360 [2020-10-19 23:28:41,513 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 23:28:41,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-19 23:28:41,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-10-19 23:28:41,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-10-19 23:28:41,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2020-10-19 23:28:41,584 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 58 [2020-10-19 23:28:41,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:41,585 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2020-10-19 23:28:41,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:41,585 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2020-10-19 23:28:41,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-19 23:28:41,591 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:41,591 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, 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] [2020-10-19 23:28:41,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:28:41,592 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:41,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:41,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1379688974, now seen corresponding path program 1 times [2020-10-19 23:28:41,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:41,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108367170] [2020-10-19 23:28:41,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:41,754 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:28:41,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108367170] [2020-10-19 23:28:41,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:41,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:28:41,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352080941] [2020-10-19 23:28:41,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:41,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:41,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:41,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:41,758 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2020-10-19 23:28:42,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:42,713 INFO L93 Difference]: Finished difference Result 1074 states and 1759 transitions. [2020-10-19 23:28:42,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:42,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-10-19 23:28:42,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:42,721 INFO L225 Difference]: With dead ends: 1074 [2020-10-19 23:28:42,721 INFO L226 Difference]: Without dead ends: 716 [2020-10-19 23:28:42,723 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 23:28:42,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-10-19 23:28:42,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 538. [2020-10-19 23:28:42,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-10-19 23:28:42,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 802 transitions. [2020-10-19 23:28:42,754 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 802 transitions. Word has length 123 [2020-10-19 23:28:42,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:42,754 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 802 transitions. [2020-10-19 23:28:42,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:42,755 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 802 transitions. [2020-10-19 23:28:42,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-19 23:28:42,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:42,758 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, 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] [2020-10-19 23:28:42,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:28:42,758 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:42,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:42,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1698742449, now seen corresponding path program 1 times [2020-10-19 23:28:42,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:42,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742665750] [2020-10-19 23:28:42,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:42,981 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:28:42,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742665750] [2020-10-19 23:28:42,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:42,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:42,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288854839] [2020-10-19 23:28:42,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:28:42,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:42,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:28:42,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:28:42,985 INFO L87 Difference]: Start difference. First operand 538 states and 802 transitions. Second operand 4 states. [2020-10-19 23:28:44,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:44,469 INFO L93 Difference]: Finished difference Result 1430 states and 2030 transitions. [2020-10-19 23:28:44,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:28:44,469 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2020-10-19 23:28:44,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:44,475 INFO L225 Difference]: With dead ends: 1430 [2020-10-19 23:28:44,476 INFO L226 Difference]: Without dead ends: 894 [2020-10-19 23:28:44,477 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 23:28:44,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-10-19 23:28:44,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-10-19 23:28:44,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-10-19 23:28:44,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1194 transitions. [2020-10-19 23:28:44,507 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1194 transitions. Word has length 137 [2020-10-19 23:28:44,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:44,507 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1194 transitions. [2020-10-19 23:28:44,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:28:44,508 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1194 transitions. [2020-10-19 23:28:44,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-19 23:28:44,514 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:44,514 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, 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:44,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:28:44,515 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:44,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:44,515 INFO L82 PathProgramCache]: Analyzing trace with hash 2105559139, now seen corresponding path program 1 times [2020-10-19 23:28:44,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:44,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604172403] [2020-10-19 23:28:44,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:44,754 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-19 23:28:44,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604172403] [2020-10-19 23:28:44,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:44,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:44,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409116980] [2020-10-19 23:28:44,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:28:44,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:44,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:28:44,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:28:44,757 INFO L87 Difference]: Start difference. First operand 894 states and 1194 transitions. Second operand 4 states. [2020-10-19 23:28:45,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:45,937 INFO L93 Difference]: Finished difference Result 1993 states and 2629 transitions. [2020-10-19 23:28:45,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:28:45,938 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 217 [2020-10-19 23:28:45,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:45,945 INFO L225 Difference]: With dead ends: 1993 [2020-10-19 23:28:45,946 INFO L226 Difference]: Without dead ends: 1072 [2020-10-19 23:28:45,948 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 23:28:45,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-10-19 23:28:45,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2020-10-19 23:28:45,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-10-19 23:28:45,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1264 transitions. [2020-10-19 23:28:45,982 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1264 transitions. Word has length 217 [2020-10-19 23:28:45,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:45,983 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1264 transitions. [2020-10-19 23:28:45,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:28:45,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1264 transitions. [2020-10-19 23:28:45,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-19 23:28:45,987 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:45,987 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:45,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:28:45,987 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:45,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:45,988 INFO L82 PathProgramCache]: Analyzing trace with hash -928428227, now seen corresponding path program 1 times [2020-10-19 23:28:45,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:45,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693405668] [2020-10-19 23:28:45,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:46,307 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 111 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:28:46,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693405668] [2020-10-19 23:28:46,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693564174] [2020-10-19 23:28:46,309 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 23:28:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:46,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:28:46,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:28:46,551 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-10-19 23:28:46,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:28:46,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-10-19 23:28:46,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896534336] [2020-10-19 23:28:46,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:46,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:46,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:46,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:28:46,554 INFO L87 Difference]: Start difference. First operand 1072 states and 1264 transitions. Second operand 3 states. [2020-10-19 23:28:47,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:47,672 INFO L93 Difference]: Finished difference Result 2320 states and 2779 transitions. [2020-10-19 23:28:47,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:47,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-10-19 23:28:47,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:47,681 INFO L225 Difference]: With dead ends: 2320 [2020-10-19 23:28:47,681 INFO L226 Difference]: Without dead ends: 1250 [2020-10-19 23:28:47,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 228 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 23:28:47,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-10-19 23:28:47,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1072. [2020-10-19 23:28:47,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-10-19 23:28:47,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1250 transitions. [2020-10-19 23:28:47,719 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1250 transitions. Word has length 229 [2020-10-19 23:28:47,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:47,720 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1250 transitions. [2020-10-19 23:28:47,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:47,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1250 transitions. [2020-10-19 23:28:47,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-19 23:28:47,727 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:47,727 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:28:47,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:28:47,943 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:47,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:47,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1981329460, now seen corresponding path program 1 times [2020-10-19 23:28:47,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:47,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555030117] [2020-10-19 23:28:47,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:48,182 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:28:48,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555030117] [2020-10-19 23:28:48,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:48,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:48,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913774359] [2020-10-19 23:28:48,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:48,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:48,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:48,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:48,191 INFO L87 Difference]: Start difference. First operand 1072 states and 1250 transitions. Second operand 3 states. [2020-10-19 23:28:49,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:49,148 INFO L93 Difference]: Finished difference Result 2854 states and 3362 transitions. [2020-10-19 23:28:49,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:49,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2020-10-19 23:28:49,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:49,162 INFO L225 Difference]: With dead ends: 2854 [2020-10-19 23:28:49,163 INFO L226 Difference]: Without dead ends: 1784 [2020-10-19 23:28:49,165 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 23:28:49,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2020-10-19 23:28:49,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1606. [2020-10-19 23:28:49,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-10-19 23:28:49,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1824 transitions. [2020-10-19 23:28:49,204 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1824 transitions. Word has length 232 [2020-10-19 23:28:49,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:49,205 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1824 transitions. [2020-10-19 23:28:49,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:49,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1824 transitions. [2020-10-19 23:28:49,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-10-19 23:28:49,211 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:49,212 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:49,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 23:28:49,222 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:49,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:49,222 INFO L82 PathProgramCache]: Analyzing trace with hash 827467919, now seen corresponding path program 1 times [2020-10-19 23:28:49,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:49,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294846361] [2020-10-19 23:28:49,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:49,613 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-19 23:28:49,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294846361] [2020-10-19 23:28:49,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:49,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:49,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900748179] [2020-10-19 23:28:49,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:28:49,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:49,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:28:49,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:28:49,616 INFO L87 Difference]: Start difference. First operand 1606 states and 1824 transitions. Second operand 4 states. [2020-10-19 23:28:50,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:50,597 INFO L93 Difference]: Finished difference Result 3268 states and 3727 transitions. [2020-10-19 23:28:50,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:28:50,598 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 349 [2020-10-19 23:28:50,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:50,609 INFO L225 Difference]: With dead ends: 3268 [2020-10-19 23:28:50,610 INFO L226 Difference]: Without dead ends: 1784 [2020-10-19 23:28:50,614 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 23:28:50,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2020-10-19 23:28:50,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1606. [2020-10-19 23:28:50,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-10-19 23:28:50,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1751 transitions. [2020-10-19 23:28:50,663 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1751 transitions. Word has length 349 [2020-10-19 23:28:50,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:50,667 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1751 transitions. [2020-10-19 23:28:50,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:28:50,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1751 transitions. [2020-10-19 23:28:50,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2020-10-19 23:28:50,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:50,681 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:50,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:28:50,682 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:50,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:50,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1032126700, now seen corresponding path program 1 times [2020-10-19 23:28:50,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:50,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785546815] [2020-10-19 23:28:50,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:51,179 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:28:51,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785546815] [2020-10-19 23:28:51,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:51,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:51,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739361789] [2020-10-19 23:28:51,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:51,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:51,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:51,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:51,183 INFO L87 Difference]: Start difference. First operand 1606 states and 1751 transitions. Second operand 3 states. [2020-10-19 23:28:51,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:51,921 INFO L93 Difference]: Finished difference Result 3922 states and 4309 transitions. [2020-10-19 23:28:51,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:51,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 444 [2020-10-19 23:28:51,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:51,934 INFO L225 Difference]: With dead ends: 3922 [2020-10-19 23:28:51,934 INFO L226 Difference]: Without dead ends: 2496 [2020-10-19 23:28:51,938 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 23:28:51,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-10-19 23:28:51,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 1962. [2020-10-19 23:28:51,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-10-19 23:28:51,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2110 transitions. [2020-10-19 23:28:51,987 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2110 transitions. Word has length 444 [2020-10-19 23:28:51,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:51,990 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2110 transitions. [2020-10-19 23:28:51,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:51,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2110 transitions. [2020-10-19 23:28:51,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2020-10-19 23:28:51,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:51,994 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:51,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 23:28:51,994 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:51,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:51,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1114872273, now seen corresponding path program 1 times [2020-10-19 23:28:51,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:52,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29215347] [2020-10-19 23:28:52,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:52,433 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:28:52,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29215347] [2020-10-19 23:28:52,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:52,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:52,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083546217] [2020-10-19 23:28:52,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:52,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:52,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:52,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:52,437 INFO L87 Difference]: Start difference. First operand 1962 states and 2110 transitions. Second operand 3 states. [2020-10-19 23:28:53,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:53,216 INFO L93 Difference]: Finished difference Result 4456 states and 4861 transitions. [2020-10-19 23:28:53,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:53,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 451 [2020-10-19 23:28:53,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:53,231 INFO L225 Difference]: With dead ends: 4456 [2020-10-19 23:28:53,231 INFO L226 Difference]: Without dead ends: 2674 [2020-10-19 23:28:53,235 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 23:28:53,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-10-19 23:28:53,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-10-19 23:28:53,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-10-19 23:28:53,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2661 transitions. [2020-10-19 23:28:53,286 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2661 transitions. Word has length 451 [2020-10-19 23:28:53,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:53,287 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2661 transitions. [2020-10-19 23:28:53,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:53,287 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2661 transitions. [2020-10-19 23:28:53,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2020-10-19 23:28:53,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:53,296 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:53,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 23:28:53,297 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:53,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:53,297 INFO L82 PathProgramCache]: Analyzing trace with hash 324275080, now seen corresponding path program 1 times [2020-10-19 23:28:53,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:53,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30306140] [2020-10-19 23:28:53,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:53,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2020-10-19 23:28:53,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30306140] [2020-10-19 23:28:53,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:53,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:53,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128893387] [2020-10-19 23:28:53,824 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:53,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:53,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:53,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:53,825 INFO L87 Difference]: Start difference. First operand 2496 states and 2661 transitions. Second operand 3 states. [2020-10-19 23:28:54,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:54,567 INFO L93 Difference]: Finished difference Result 5524 states and 5971 transitions. [2020-10-19 23:28:54,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:54,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 606 [2020-10-19 23:28:54,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:54,585 INFO L225 Difference]: With dead ends: 5524 [2020-10-19 23:28:54,585 INFO L226 Difference]: Without dead ends: 3208 [2020-10-19 23:28:54,589 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 23:28:54,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2020-10-19 23:28:54,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2020-10-19 23:28:54,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-10-19 23:28:54,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3227 transitions. [2020-10-19 23:28:54,664 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3227 transitions. Word has length 606 [2020-10-19 23:28:54,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:54,665 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3227 transitions. [2020-10-19 23:28:54,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:54,665 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3227 transitions. [2020-10-19 23:28:54,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2020-10-19 23:28:54,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:54,671 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:54,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 23:28:54,672 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:54,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:54,672 INFO L82 PathProgramCache]: Analyzing trace with hash 974401877, now seen corresponding path program 1 times [2020-10-19 23:28:54,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:54,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498594030] [2020-10-19 23:28:54,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:55,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 821 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2020-10-19 23:28:55,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498594030] [2020-10-19 23:28:55,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:55,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:55,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289395522] [2020-10-19 23:28:55,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:55,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:55,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:55,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:55,256 INFO L87 Difference]: Start difference. First operand 3030 states and 3227 transitions. Second operand 3 states. [2020-10-19 23:28:56,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:56,163 INFO L93 Difference]: Finished difference Result 6592 states and 7095 transitions. [2020-10-19 23:28:56,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:56,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 624 [2020-10-19 23:28:56,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:56,185 INFO L225 Difference]: With dead ends: 6592 [2020-10-19 23:28:56,185 INFO L226 Difference]: Without dead ends: 3742 [2020-10-19 23:28:56,190 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 23:28:56,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-10-19 23:28:56,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3386. [2020-10-19 23:28:56,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-19 23:28:56,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3620 transitions. [2020-10-19 23:28:56,258 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3620 transitions. Word has length 624 [2020-10-19 23:28:56,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:56,260 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3620 transitions. [2020-10-19 23:28:56,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:56,260 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3620 transitions. [2020-10-19 23:28:56,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 648 [2020-10-19 23:28:56,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:56,267 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:56,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 23:28:56,268 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:56,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:56,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1560929605, now seen corresponding path program 1 times [2020-10-19 23:28:56,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:56,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892255599] [2020-10-19 23:28:56,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:56,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 922 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:28:56,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892255599] [2020-10-19 23:28:56,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460928270] [2020-10-19 23:28:56,879 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 23:28:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:57,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:28:57,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:28:57,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2020-10-19 23:28:57,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:28:57,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-19 23:28:57,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975184553] [2020-10-19 23:28:57,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:57,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:57,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:57,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:28:57,294 INFO L87 Difference]: Start difference. First operand 3386 states and 3620 transitions. Second operand 3 states. [2020-10-19 23:28:57,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:57,989 INFO L93 Difference]: Finished difference Result 7660 states and 8178 transitions. [2020-10-19 23:28:57,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:57,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 647 [2020-10-19 23:28:57,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:58,002 INFO L225 Difference]: With dead ends: 7660 [2020-10-19 23:28:58,002 INFO L226 Difference]: Without dead ends: 3564 [2020-10-19 23:28:58,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 650 GetRequests, 647 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:28:58,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-10-19 23:28:58,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3386. [2020-10-19 23:28:58,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-19 23:28:58,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3599 transitions. [2020-10-19 23:28:58,080 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3599 transitions. Word has length 647 [2020-10-19 23:28:58,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:58,081 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3599 transitions. [2020-10-19 23:28:58,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:58,081 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3599 transitions. [2020-10-19 23:28:58,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 795 [2020-10-19 23:28:58,090 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:58,091 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 23:28:58,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-19 23:28:58,306 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:58,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:58,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1019066694, now seen corresponding path program 1 times [2020-10-19 23:28:58,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:58,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146317099] [2020-10-19 23:28:58,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:58,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1859 backedges. 1334 proven. 155 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2020-10-19 23:28:58,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146317099] [2020-10-19 23:28:58,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596982728] [2020-10-19 23:28:58,948 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 23:28:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:59,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:28:59,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:28:59,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1859 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-10-19 23:28:59,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:28:59,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-19 23:28:59,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432536989] [2020-10-19 23:28:59,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:59,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:59,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:59,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:28:59,493 INFO L87 Difference]: Start difference. First operand 3386 states and 3599 transitions. Second operand 3 states. [2020-10-19 23:29:00,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:00,237 INFO L93 Difference]: Finished difference Result 4278 states and 4537 transitions. [2020-10-19 23:29:00,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:00,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 794 [2020-10-19 23:29:00,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:00,260 INFO L225 Difference]: With dead ends: 4278 [2020-10-19 23:29:00,261 INFO L226 Difference]: Without dead ends: 4276 [2020-10-19 23:29:00,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 797 GetRequests, 794 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:29:00,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-10-19 23:29:00,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3386. [2020-10-19 23:29:00,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-19 23:29:00,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3599 transitions. [2020-10-19 23:29:00,336 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3599 transitions. Word has length 794 [2020-10-19 23:29:00,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:00,338 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3599 transitions. [2020-10-19 23:29:00,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:00,338 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3599 transitions. [2020-10-19 23:29:00,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2020-10-19 23:29:00,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:00,357 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:00,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-19 23:29:00,571 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:00,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:00,573 INFO L82 PathProgramCache]: Analyzing trace with hash 569347014, now seen corresponding path program 1 times [2020-10-19 23:29:00,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:00,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967845224] [2020-10-19 23:29:00,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:01,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2411 backedges. 1805 proven. 110 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2020-10-19 23:29:01,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967845224] [2020-10-19 23:29:01,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103908291] [2020-10-19 23:29:01,628 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 23:29:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:01,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 1053 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:29:01,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:02,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2411 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 2020 trivial. 0 not checked. [2020-10-19 23:29:02,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:02,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-19 23:29:02,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512901004] [2020-10-19 23:29:02,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:02,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:02,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:02,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:29:02,570 INFO L87 Difference]: Start difference. First operand 3386 states and 3599 transitions. Second operand 3 states. [2020-10-19 23:29:03,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:03,469 INFO L93 Difference]: Finished difference Result 7302 states and 7812 transitions. [2020-10-19 23:29:03,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:03,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 825 [2020-10-19 23:29:03,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:03,470 INFO L225 Difference]: With dead ends: 7302 [2020-10-19 23:29:03,470 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:29:03,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 828 GetRequests, 825 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:29:03,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:29:03,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:29:03,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:29:03,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:29:03,478 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 825 [2020-10-19 23:29:03,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:03,479 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:29:03,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:03,479 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:29:03,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:29:03,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:03,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:29:03,982 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2020-10-19 23:29:04,159 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2020-10-19 23:29:04,164 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-19 23:29:04,164 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-19 23:29:04,164 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-19 23:29:04,164 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-19 23:29:04,165 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-19 23:29:04,165 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-19 23:29:04,165 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-19 23:29:04,165 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,165 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,165 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,165 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-19 23:29:04,165 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-19 23:29:04,166 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-19 23:29:04,166 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-19 23:29:04,166 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-19 23:29:04,166 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-19 23:29:04,166 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-19 23:29:04,166 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-19 23:29:04,166 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,166 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,166 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,166 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-19 23:29:04,167 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-19 23:29:04,167 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-19 23:29:04,167 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-19 23:29:04,167 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-19 23:29:04,167 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-19 23:29:04,167 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-19 23:29:04,167 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-19 23:29:04,167 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,167 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,168 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,168 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-19 23:29:04,168 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-19 23:29:04,168 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-19 23:29:04,168 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-19 23:29:04,168 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-19 23:29:04,168 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-19 23:29:04,168 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-19 23:29:04,168 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-19 23:29:04,169 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-19 23:29:04,169 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,169 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,169 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,169 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-19 23:29:04,169 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-19 23:29:04,169 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-19 23:29:04,169 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-19 23:29:04,169 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-19 23:29:04,169 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-19 23:29:04,169 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-19 23:29:04,170 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,170 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,170 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,170 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-19 23:29:04,170 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-19 23:29:04,170 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-19 23:29:04,170 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-19 23:29:04,170 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-19 23:29:04,170 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-19 23:29:04,170 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-19 23:29:04,171 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-19 23:29:04,171 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-19 23:29:04,171 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,171 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,171 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,171 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-19 23:29:04,171 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-19 23:29:04,171 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-19 23:29:04,171 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-19 23:29:04,171 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-19 23:29:04,172 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-19 23:29:04,172 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-19 23:29:04,172 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-19 23:29:04,172 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,172 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,172 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,172 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-19 23:29:04,172 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-19 23:29:04,172 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-19 23:29:04,172 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-19 23:29:04,173 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-19 23:29:04,173 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-19 23:29:04,173 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:29:04,173 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-19 23:29:04,173 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-19 23:29:04,173 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,173 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,173 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,173 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-19 23:29:04,174 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-19 23:29:04,174 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-19 23:29:04,174 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-19 23:29:04,174 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-19 23:29:04,174 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-19 23:29:04,174 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-19 23:29:04,174 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-19 23:29:04,174 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,174 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,175 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,175 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-19 23:29:04,175 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-19 23:29:04,175 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-19 23:29:04,175 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-19 23:29:04,175 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-19 23:29:04,175 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-19 23:29:04,175 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-19 23:29:04,175 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-19 23:29:04,176 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,176 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,176 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,176 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:29:04,176 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:29:04,176 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-19 23:29:04,176 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-19 23:29:04,176 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-19 23:29:04,177 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-19 23:29:04,177 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-19 23:29:04,177 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-19 23:29:04,177 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-19 23:29:04,177 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-19 23:29:04,177 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,177 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,177 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,177 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-19 23:29:04,177 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-19 23:29:04,178 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-19 23:29:04,178 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-19 23:29:04,178 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-19 23:29:04,178 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-19 23:29:04,178 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:29:04,178 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-19 23:29:04,178 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-19 23:29:04,178 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,178 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,179 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,179 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-19 23:29:04,179 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-19 23:29:04,179 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-19 23:29:04,179 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-19 23:29:04,179 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-19 23:29:04,179 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-19 23:29:04,179 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-19 23:29:04,179 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-19 23:29:04,179 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,180 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,180 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-19 23:29:04,180 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-19 23:29:04,180 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-19 23:29:04,180 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-19 23:29:04,180 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-19 23:29:04,180 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-19 23:29:04,180 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-19 23:29:04,180 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-19 23:29:04,180 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,181 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,181 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-19 23:29:04,181 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-19 23:29:04,181 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-19 23:29:04,181 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-19 23:29:04,181 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-19 23:29:04,181 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-19 23:29:04,181 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,181 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,182 INFO L270 CegarLoopResult]: At program point L873(lines 22 874) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse3 (<= (+ ~a12~0 49) 0)) (.cse2 (<= 7 ~a15~0)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 .cse3) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse3 .cse2 (<= ~a15~0 8) (<= 10 ~a21~0)) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-10-19 23:29:04,182 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-19 23:29:04,182 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-19 23:29:04,182 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-19 23:29:04,182 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-19 23:29:04,182 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-19 23:29:04,182 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-19 23:29:04,183 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-19 23:29:04,183 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-19 23:29:04,183 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,183 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,183 INFO L277 CegarLoopResult]: At program point L876(lines 876 892) the Hoare annotation is: true [2020-10-19 23:29:04,183 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-19 23:29:04,183 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-19 23:29:04,183 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-19 23:29:04,183 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-19 23:29:04,183 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-19 23:29:04,184 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-19 23:29:04,184 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-19 23:29:04,184 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:29:04,184 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,184 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,184 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-19 23:29:04,184 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-19 23:29:04,184 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-19 23:29:04,184 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-19 23:29:04,184 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-19 23:29:04,185 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-19 23:29:04,185 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,185 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,185 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-19 23:29:04,185 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,185 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-19 23:29:04,185 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse3 (<= (+ ~a12~0 49) 0)) (.cse2 (<= 7 ~a15~0)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 .cse3) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse3 .cse2 (<= ~a15~0 8) (<= 10 ~a21~0)) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-10-19 23:29:04,185 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-19 23:29:04,186 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-19 23:29:04,186 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-19 23:29:04,186 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-19 23:29:04,186 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-19 23:29:04,186 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-19 23:29:04,186 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-19 23:29:04,186 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-19 23:29:04,186 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-19 23:29:04,186 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,186 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,187 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,187 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-19 23:29:04,187 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-19 23:29:04,187 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-19 23:29:04,187 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-19 23:29:04,187 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-19 23:29:04,187 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:29:04,187 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-19 23:29:04,187 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-19 23:29:04,187 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-19 23:29:04,188 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-19 23:29:04,188 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,188 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,188 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,188 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-19 23:29:04,188 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-19 23:29:04,188 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-19 23:29:04,188 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-19 23:29:04,188 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-19 23:29:04,188 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-19 23:29:04,189 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-19 23:29:04,189 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-19 23:29:04,189 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,189 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,189 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,189 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-19 23:29:04,189 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-19 23:29:04,189 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-19 23:29:04,189 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-19 23:29:04,189 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-19 23:29:04,190 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-19 23:29:04,190 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-19 23:29:04,190 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-19 23:29:04,190 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-19 23:29:04,190 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,190 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,190 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:04,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:29:04 BoogieIcfgContainer [2020-10-19 23:29:04,228 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:29:04,229 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:29:04,229 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:29:04,231 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:29:04,231 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:28:39" (3/4) ... [2020-10-19 23:29:04,236 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:29:04,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:29:04,278 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:29:04,280 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:29:04,281 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:29:04,517 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:29:04,517 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:29:04,519 INFO L168 Benchmark]: Toolchain (without parser) took 27450.54 ms. Allocated memory was 38.3 MB in the beginning and 554.2 MB in the end (delta: 515.9 MB). Free memory was 19.5 MB in the beginning and 366.1 MB in the end (delta: -346.5 MB). Peak memory consumption was 169.3 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:04,521 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 35.1 MB. Free memory is still 12.4 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-19 23:29:04,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 874.68 ms. Allocated memory was 38.3 MB in the beginning and 48.2 MB in the end (delta: 10.0 MB). Free memory was 18.6 MB in the beginning and 19.0 MB in the end (delta: -373.4 kB). Peak memory consumption was 17.9 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:04,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.56 ms. Allocated memory was 48.2 MB in the beginning and 48.8 MB in the end (delta: 524.3 kB). Free memory was 19.0 MB in the beginning and 24.1 MB in the end (delta: -5.1 MB). Peak memory consumption was 11.8 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:04,523 INFO L168 Benchmark]: Boogie Preprocessor took 131.32 ms. Allocated memory is still 48.8 MB. Free memory was 24.1 MB in the beginning and 17.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:04,529 INFO L168 Benchmark]: RCFGBuilder took 1699.63 ms. Allocated memory was 48.8 MB in the beginning and 77.1 MB in the end (delta: 28.3 MB). Free memory was 17.3 MB in the beginning and 52.7 MB in the end (delta: -35.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:04,530 INFO L168 Benchmark]: TraceAbstraction took 24296.26 ms. Allocated memory was 77.1 MB in the beginning and 554.2 MB in the end (delta: 477.1 MB). Free memory was 52.1 MB in the beginning and 386.0 MB in the end (delta: -333.9 MB). Peak memory consumption was 143.2 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:04,530 INFO L168 Benchmark]: Witness Printer took 288.79 ms. Allocated memory is still 554.2 MB. Free memory was 386.0 MB in the beginning and 366.1 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:04,533 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 35.1 MB. Free memory is still 12.4 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 874.68 ms. Allocated memory was 38.3 MB in the beginning and 48.2 MB in the end (delta: 10.0 MB). Free memory was 18.6 MB in the beginning and 19.0 MB in the end (delta: -373.4 kB). Peak memory consumption was 17.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 143.56 ms. Allocated memory was 48.2 MB in the beginning and 48.8 MB in the end (delta: 524.3 kB). Free memory was 19.0 MB in the beginning and 24.1 MB in the end (delta: -5.1 MB). Peak memory consumption was 11.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 131.32 ms. Allocated memory is still 48.8 MB. Free memory was 24.1 MB in the beginning and 17.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1699.63 ms. Allocated memory was 48.8 MB in the beginning and 77.1 MB in the end (delta: 28.3 MB). Free memory was 17.3 MB in the beginning and 52.7 MB in the end (delta: -35.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 14.3 GB. * TraceAbstraction took 24296.26 ms. Allocated memory was 77.1 MB in the beginning and 554.2 MB in the end (delta: 477.1 MB). Free memory was 52.1 MB in the beginning and 386.0 MB in the end (delta: -333.9 MB). Peak memory consumption was 143.2 MB. Max. memory is 14.3 GB. * Witness Printer took 288.79 ms. Allocated memory is still 554.2 MB. Free memory was 386.0 MB in the beginning and 366.1 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 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: (((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (((a12 + 49 <= 0 && 7 <= a15) && a15 <= 8) && 10 <= a21)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (((a12 + 49 <= 0 && 7 <= a15) && a15 <= 8) && 10 <= a21)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.6s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 13.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1910 SDtfs, 1883 SDslu, 78 SDs, 0 SdLazy, 7204 SolverSat, 907 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2536 GetRequests, 2509 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3386occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 3026 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 157 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2710 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 322 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 8231 NumberOfCodeBlocks, 8231 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 8213 ConstructedInterpolants, 0 QuantifiedInterpolants, 9107225 SizeOfPredicates, 3 NumberOfNonLiveVariables, 3223 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 15920/16360 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...