./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/psyco/psyco_accelerometer_1.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/psyco/psyco_accelerometer_1.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 f984bd5abbd4adc0ae4b2416fd7142c889297d5b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:00:23,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:00:23,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:00:23,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:00:23,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:00:23,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:00:23,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:00:23,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:00:23,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:00:23,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:00:23,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:00:23,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:00:23,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:00:23,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:00:23,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:00:23,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:00:23,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:00:23,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:00:23,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:00:23,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:00:23,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:00:23,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:00:23,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:00:23,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:00:23,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:00:23,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:00:23,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:00:23,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:00:23,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:00:23,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:00:23,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:00:23,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:00:23,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:00:23,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:00:23,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:00:23,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:00:23,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:00:23,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:00:23,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:00:23,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:00:23,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:00:23,884 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:00:23,933 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:00:23,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:00:23,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:00:23,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:00:23,935 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:00:23,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:00:23,936 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:00:23,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:00:23,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:00:23,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:00:23,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:00:23,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:00:23,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:00:23,939 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:00:23,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:00:23,939 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:00:23,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:00:23,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:00:23,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:00:23,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:00:23,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:00:23,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:00:23,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:00:23,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:00:23,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:00:23,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:00:23,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:00:23,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:00:23,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:00:23,943 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 -> f984bd5abbd4adc0ae4b2416fd7142c889297d5b [2020-10-20 00:00:24,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:00:24,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:00:24,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:00:24,180 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:00:24,180 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:00:24,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2020-10-20 00:00:24,240 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfeee5cb7/0e60691eea98449dbd899cf2c8b8b2c8/FLAGd75b4a337 [2020-10-20 00:00:25,006 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:00:25,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2020-10-20 00:00:25,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfeee5cb7/0e60691eea98449dbd899cf2c8b8b2c8/FLAGd75b4a337 [2020-10-20 00:00:25,532 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfeee5cb7/0e60691eea98449dbd899cf2c8b8b2c8 [2020-10-20 00:00:25,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:00:25,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:00:25,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:00:25,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:00:25,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:00:25,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:00:25" (1/1) ... [2020-10-20 00:00:25,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3edecde5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:00:25, skipping insertion in model container [2020-10-20 00:00:25,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:00:25" (1/1) ... [2020-10-20 00:00:25,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:00:25,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:00:26,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:00:26,519 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:00:26,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:00:26,856 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:00:26,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:00:26 WrapperNode [2020-10-20 00:00:26,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:00:26,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:00:26,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:00:26,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:00:26,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:00:26" (1/1) ... [2020-10-20 00:00:26,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:00:26" (1/1) ... [2020-10-20 00:00:27,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:00:27,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:00:27,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:00:27,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:00:27,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:00:26" (1/1) ... [2020-10-20 00:00:27,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:00:26" (1/1) ... [2020-10-20 00:00:27,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:00:26" (1/1) ... [2020-10-20 00:00:27,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:00:26" (1/1) ... [2020-10-20 00:00:27,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:00:26" (1/1) ... [2020-10-20 00:00:27,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:00:26" (1/1) ... [2020-10-20 00:00:27,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:00:26" (1/1) ... [2020-10-20 00:00:27,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:00:27,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:00:27,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:00:27,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:00:27,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:00:26" (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 [2020-10-20 00:00:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:00:27,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:00:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:00:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:00:29,545 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:00:29,545 INFO L298 CfgBuilder]: Removed 27 assume(true) statements. [2020-10-20 00:00:29,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:00:29 BoogieIcfgContainer [2020-10-20 00:00:29,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:00:29,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:00:29,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:00:29,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:00:29,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:00:25" (1/3) ... [2020-10-20 00:00:29,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f2f46d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:00:29, skipping insertion in model container [2020-10-20 00:00:29,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:00:26" (2/3) ... [2020-10-20 00:00:29,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f2f46d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:00:29, skipping insertion in model container [2020-10-20 00:00:29,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:00:29" (3/3) ... [2020-10-20 00:00:29,558 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_accelerometer_1.c [2020-10-20 00:00:29,571 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:00:29,580 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:00:29,595 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:00:29,622 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:00:29,623 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:00:29,623 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:00:29,623 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:00:29,624 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:00:29,624 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:00:29,624 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:00:29,624 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:00:29,650 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states. [2020-10-20 00:00:29,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-20 00:00:29,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:00:29,660 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:00:29,660 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:00:29,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:00:29,667 INFO L82 PathProgramCache]: Analyzing trace with hash 352572211, now seen corresponding path program 1 times [2020-10-20 00:00:29,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:00:29,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678174707] [2020-10-20 00:00:29,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:00:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:00:29,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:00:29,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678174707] [2020-10-20 00:00:29,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:00:29,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:00:29,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808829536] [2020-10-20 00:00:29,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:00:29,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:00:29,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:00:29,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:00:29,918 INFO L87 Difference]: Start difference. First operand 238 states. Second operand 2 states. [2020-10-20 00:00:29,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:00:29,969 INFO L93 Difference]: Finished difference Result 464 states and 911 transitions. [2020-10-20 00:00:29,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:00:29,971 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-20 00:00:29,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:00:29,988 INFO L225 Difference]: With dead ends: 464 [2020-10-20 00:00:29,989 INFO L226 Difference]: Without dead ends: 224 [2020-10-20 00:00:29,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:00:30,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-10-20 00:00:30,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2020-10-20 00:00:30,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-10-20 00:00:30,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 393 transitions. [2020-10-20 00:00:30,062 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 393 transitions. Word has length 9 [2020-10-20 00:00:30,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:00:30,062 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 393 transitions. [2020-10-20 00:00:30,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:00:30,063 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 393 transitions. [2020-10-20 00:00:30,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 00:00:30,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:00:30,064 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:00:30,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:00:30,065 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:00:30,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:00:30,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1422696861, now seen corresponding path program 1 times [2020-10-20 00:00:30,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:00:30,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204096120] [2020-10-20 00:00:30,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:00:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:00:30,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:00:30,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204096120] [2020-10-20 00:00:30,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:00:30,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 00:00:30,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006749300] [2020-10-20 00:00:30,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 00:00:30,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:00:30,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 00:00:30,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:00:30,148 INFO L87 Difference]: Start difference. First operand 224 states and 393 transitions. Second operand 3 states. [2020-10-20 00:00:30,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:00:30,317 INFO L93 Difference]: Finished difference Result 449 states and 788 transitions. [2020-10-20 00:00:30,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 00:00:30,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-20 00:00:30,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:00:30,322 INFO L225 Difference]: With dead ends: 449 [2020-10-20 00:00:30,322 INFO L226 Difference]: Without dead ends: 227 [2020-10-20 00:00:30,326 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 [2020-10-20 00:00:30,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-20 00:00:30,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2020-10-20 00:00:30,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-10-20 00:00:30,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 396 transitions. [2020-10-20 00:00:30,354 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 396 transitions. Word has length 10 [2020-10-20 00:00:30,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:00:30,354 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 396 transitions. [2020-10-20 00:00:30,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 00:00:30,355 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 396 transitions. [2020-10-20 00:00:30,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-20 00:00:30,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:00:30,356 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:00:30,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:00:30,357 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:00:30,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:00:30,357 INFO L82 PathProgramCache]: Analyzing trace with hash 658033430, now seen corresponding path program 1 times [2020-10-20 00:00:30,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:00:30,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746794711] [2020-10-20 00:00:30,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:00:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:00:30,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:00:30,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746794711] [2020-10-20 00:00:30,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:00:30,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 00:00:30,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142956674] [2020-10-20 00:00:30,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 00:00:30,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:00:30,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 00:00:30,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:00:30,504 INFO L87 Difference]: Start difference. First operand 227 states and 396 transitions. Second operand 3 states. [2020-10-20 00:00:30,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:00:30,693 INFO L93 Difference]: Finished difference Result 457 states and 797 transitions. [2020-10-20 00:00:30,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 00:00:30,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-10-20 00:00:30,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:00:30,696 INFO L225 Difference]: With dead ends: 457 [2020-10-20 00:00:30,696 INFO L226 Difference]: Without dead ends: 233 [2020-10-20 00:00:30,697 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 [2020-10-20 00:00:30,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-10-20 00:00:30,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 231. [2020-10-20 00:00:30,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-10-20 00:00:30,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 400 transitions. [2020-10-20 00:00:30,709 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 400 transitions. Word has length 15 [2020-10-20 00:00:30,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:00:30,709 INFO L481 AbstractCegarLoop]: Abstraction has 231 states and 400 transitions. [2020-10-20 00:00:30,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 00:00:30,710 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 400 transitions. [2020-10-20 00:00:30,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 00:00:30,710 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:00:30,711 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:00:30,711 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 00:00:30,711 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:00:30,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:00:30,712 INFO L82 PathProgramCache]: Analyzing trace with hash 259035552, now seen corresponding path program 1 times [2020-10-20 00:00:30,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:00:30,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42406489] [2020-10-20 00:00:30,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:00:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:00:30,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:00:30,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42406489] [2020-10-20 00:00:30,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:00:30,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 00:00:30,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715520958] [2020-10-20 00:00:30,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 00:00:30,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:00:30,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 00:00:30,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:00:30,759 INFO L87 Difference]: Start difference. First operand 231 states and 400 transitions. Second operand 3 states. [2020-10-20 00:00:30,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:00:30,950 INFO L93 Difference]: Finished difference Result 272 states and 456 transitions. [2020-10-20 00:00:30,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 00:00:30,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-10-20 00:00:30,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:00:30,953 INFO L225 Difference]: With dead ends: 272 [2020-10-20 00:00:30,953 INFO L226 Difference]: Without dead ends: 266 [2020-10-20 00:00:30,954 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 [2020-10-20 00:00:30,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-20 00:00:30,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 257. [2020-10-20 00:00:30,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-10-20 00:00:30,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 440 transitions. [2020-10-20 00:00:30,967 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 440 transitions. Word has length 18 [2020-10-20 00:00:30,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:00:30,968 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 440 transitions. [2020-10-20 00:00:30,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 00:00:30,968 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 440 transitions. [2020-10-20 00:00:30,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 00:00:30,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:00:30,969 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:00:30,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 00:00:30,970 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:00:30,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:00:30,970 INFO L82 PathProgramCache]: Analyzing trace with hash -548412413, now seen corresponding path program 1 times [2020-10-20 00:00:30,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:00:30,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564078716] [2020-10-20 00:00:30,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:00:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:00:31,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:00:31,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564078716] [2020-10-20 00:00:31,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:00:31,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 00:00:31,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702622655] [2020-10-20 00:00:31,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 00:00:31,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:00:31,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 00:00:31,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:00:31,060 INFO L87 Difference]: Start difference. First operand 257 states and 440 transitions. Second operand 3 states. [2020-10-20 00:00:31,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:00:31,230 INFO L93 Difference]: Finished difference Result 259 states and 441 transitions. [2020-10-20 00:00:31,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 00:00:31,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 00:00:31,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:00:31,233 INFO L225 Difference]: With dead ends: 259 [2020-10-20 00:00:31,233 INFO L226 Difference]: Without dead ends: 257 [2020-10-20 00:00:31,234 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 [2020-10-20 00:00:31,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-10-20 00:00:31,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2020-10-20 00:00:31,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-10-20 00:00:31,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 432 transitions. [2020-10-20 00:00:31,242 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 432 transitions. Word has length 19 [2020-10-20 00:00:31,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:00:31,242 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 432 transitions. [2020-10-20 00:00:31,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 00:00:31,243 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 432 transitions. [2020-10-20 00:00:31,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 00:00:31,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:00:31,244 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:00:31,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 00:00:31,244 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:00:31,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:00:31,245 INFO L82 PathProgramCache]: Analyzing trace with hash -296229375, now seen corresponding path program 1 times [2020-10-20 00:00:31,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:00:31,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64983544] [2020-10-20 00:00:31,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:00:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:00:31,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:00:31,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64983544] [2020-10-20 00:00:31,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:00:31,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 00:00:31,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472609401] [2020-10-20 00:00:31,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 00:00:31,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:00:31,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 00:00:31,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:00:31,300 INFO L87 Difference]: Start difference. First operand 257 states and 432 transitions. Second operand 3 states. [2020-10-20 00:00:31,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:00:31,918 INFO L93 Difference]: Finished difference Result 704 states and 1182 transitions. [2020-10-20 00:00:31,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 00:00:31,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-20 00:00:31,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:00:31,923 INFO L225 Difference]: With dead ends: 704 [2020-10-20 00:00:31,923 INFO L226 Difference]: Without dead ends: 444 [2020-10-20 00:00:31,924 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 [2020-10-20 00:00:31,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2020-10-20 00:00:31,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 418. [2020-10-20 00:00:31,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-10-20 00:00:31,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 643 transitions. [2020-10-20 00:00:31,939 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 643 transitions. Word has length 22 [2020-10-20 00:00:31,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:00:31,939 INFO L481 AbstractCegarLoop]: Abstraction has 418 states and 643 transitions. [2020-10-20 00:00:31,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 00:00:31,940 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 643 transitions. [2020-10-20 00:00:31,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-20 00:00:31,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:00:31,942 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-20 00:00:31,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 00:00:31,942 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:00:31,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:00:31,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1374287257, now seen corresponding path program 1 times [2020-10-20 00:00:31,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:00:31,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780368622] [2020-10-20 00:00:31,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:00:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:00:31,993 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-20 00:00:31,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780368622] [2020-10-20 00:00:31,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:00:31,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 00:00:31,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340880848] [2020-10-20 00:00:31,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 00:00:31,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:00:31,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 00:00:31,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:00:31,996 INFO L87 Difference]: Start difference. First operand 418 states and 643 transitions. Second operand 3 states. [2020-10-20 00:00:32,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:00:32,059 INFO L93 Difference]: Finished difference Result 754 states and 1168 transitions. [2020-10-20 00:00:32,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 00:00:32,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-10-20 00:00:32,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:00:32,061 INFO L225 Difference]: With dead ends: 754 [2020-10-20 00:00:32,062 INFO L226 Difference]: Without dead ends: 339 [2020-10-20 00:00:32,063 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 [2020-10-20 00:00:32,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-10-20 00:00:32,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2020-10-20 00:00:32,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2020-10-20 00:00:32,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 522 transitions. [2020-10-20 00:00:32,072 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 522 transitions. Word has length 29 [2020-10-20 00:00:32,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:00:32,072 INFO L481 AbstractCegarLoop]: Abstraction has 339 states and 522 transitions. [2020-10-20 00:00:32,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 00:00:32,072 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 522 transitions. [2020-10-20 00:00:32,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 00:00:32,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:00:32,074 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-20 00:00:32,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 00:00:32,074 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:00:32,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:00:32,075 INFO L82 PathProgramCache]: Analyzing trace with hash -968828347, now seen corresponding path program 1 times [2020-10-20 00:00:32,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:00:32,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42286884] [2020-10-20 00:00:32,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:00:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:00:32,131 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-20 00:00:32,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42286884] [2020-10-20 00:00:32,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:00:32,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 00:00:32,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583236763] [2020-10-20 00:00:32,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 00:00:32,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:00:32,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 00:00:32,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:00:32,135 INFO L87 Difference]: Start difference. First operand 339 states and 522 transitions. Second operand 3 states. [2020-10-20 00:00:32,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:00:32,194 INFO L93 Difference]: Finished difference Result 664 states and 1029 transitions. [2020-10-20 00:00:32,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 00:00:32,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-10-20 00:00:32,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:00:32,201 INFO L225 Difference]: With dead ends: 664 [2020-10-20 00:00:32,201 INFO L226 Difference]: Without dead ends: 333 [2020-10-20 00:00:32,202 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 [2020-10-20 00:00:32,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-10-20 00:00:32,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2020-10-20 00:00:32,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-10-20 00:00:32,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 502 transitions. [2020-10-20 00:00:32,211 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 502 transitions. Word has length 33 [2020-10-20 00:00:32,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:00:32,212 INFO L481 AbstractCegarLoop]: Abstraction has 333 states and 502 transitions. [2020-10-20 00:00:32,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 00:00:32,212 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 502 transitions. [2020-10-20 00:00:32,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 00:00:32,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:00:32,214 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-20 00:00:32,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 00:00:32,214 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:00:32,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:00:32,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1704110053, now seen corresponding path program 1 times [2020-10-20 00:00:32,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:00:32,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825330899] [2020-10-20 00:00:32,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:00:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:00:32,256 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-20 00:00:32,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825330899] [2020-10-20 00:00:32,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:00:32,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 00:00:32,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833517576] [2020-10-20 00:00:32,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 00:00:32,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:00:32,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 00:00:32,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:00:32,258 INFO L87 Difference]: Start difference. First operand 333 states and 502 transitions. Second operand 3 states. [2020-10-20 00:00:32,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:00:32,624 INFO L93 Difference]: Finished difference Result 376 states and 543 transitions. [2020-10-20 00:00:32,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 00:00:32,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-10-20 00:00:32,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:00:32,626 INFO L225 Difference]: With dead ends: 376 [2020-10-20 00:00:32,627 INFO L226 Difference]: Without dead ends: 339 [2020-10-20 00:00:32,627 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 [2020-10-20 00:00:32,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-10-20 00:00:32,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 333. [2020-10-20 00:00:32,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-10-20 00:00:32,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 466 transitions. [2020-10-20 00:00:32,635 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 466 transitions. Word has length 37 [2020-10-20 00:00:32,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:00:32,635 INFO L481 AbstractCegarLoop]: Abstraction has 333 states and 466 transitions. [2020-10-20 00:00:32,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 00:00:32,635 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 466 transitions. [2020-10-20 00:00:32,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-20 00:00:32,636 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:00:32,636 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-20 00:00:32,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 00:00:32,637 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:00:32,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:00:32,637 INFO L82 PathProgramCache]: Analyzing trace with hash -533172694, now seen corresponding path program 1 times [2020-10-20 00:00:32,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:00:32,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369813575] [2020-10-20 00:00:32,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:00:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:00:32,669 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-20 00:00:32,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369813575] [2020-10-20 00:00:32,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:00:32,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 00:00:32,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662511703] [2020-10-20 00:00:32,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 00:00:32,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:00:32,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 00:00:32,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:00:32,671 INFO L87 Difference]: Start difference. First operand 333 states and 466 transitions. Second operand 3 states. [2020-10-20 00:00:32,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:00:32,717 INFO L93 Difference]: Finished difference Result 635 states and 888 transitions. [2020-10-20 00:00:32,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 00:00:32,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-10-20 00:00:32,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:00:32,720 INFO L225 Difference]: With dead ends: 635 [2020-10-20 00:00:32,720 INFO L226 Difference]: Without dead ends: 310 [2020-10-20 00:00:32,721 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 [2020-10-20 00:00:32,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-10-20 00:00:32,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2020-10-20 00:00:32,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-10-20 00:00:32,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 429 transitions. [2020-10-20 00:00:32,728 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 429 transitions. Word has length 38 [2020-10-20 00:00:32,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:00:32,728 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 429 transitions. [2020-10-20 00:00:32,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 00:00:32,728 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 429 transitions. [2020-10-20 00:00:32,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-20 00:00:32,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:00:32,729 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-20 00:00:32,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 00:00:32,730 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:00:32,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:00:32,730 INFO L82 PathProgramCache]: Analyzing trace with hash -717812843, now seen corresponding path program 1 times [2020-10-20 00:00:32,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:00:32,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097812683] [2020-10-20 00:00:32,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:00:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:00:32,804 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-20 00:00:32,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097812683] [2020-10-20 00:00:32,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:00:32,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 00:00:32,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359078915] [2020-10-20 00:00:32,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 00:00:32,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:00:32,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 00:00:32,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:00:32,807 INFO L87 Difference]: Start difference. First operand 310 states and 429 transitions. Second operand 3 states. [2020-10-20 00:00:32,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:00:32,875 INFO L93 Difference]: Finished difference Result 474 states and 665 transitions. [2020-10-20 00:00:32,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 00:00:32,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-10-20 00:00:32,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:00:32,876 INFO L225 Difference]: With dead ends: 474 [2020-10-20 00:00:32,876 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 00:00:32,877 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 [2020-10-20 00:00:32,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 00:00:32,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 00:00:32,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 00:00:32,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 00:00:32,879 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-10-20 00:00:32,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:00:32,879 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 00:00:32,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 00:00:32,879 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 00:00:32,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 00:00:32,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 00:00:32,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 00:00:33,036 INFO L274 CegarLoopResult]: For program point L1093(lines 1093 1095) no Hoare annotation was computed. [2020-10-20 00:00:33,036 INFO L274 CegarLoopResult]: For program point L961(lines 961 963) no Hoare annotation was computed. [2020-10-20 00:00:33,037 INFO L274 CegarLoopResult]: For program point L829(lines 829 840) no Hoare annotation was computed. [2020-10-20 00:00:33,037 INFO L274 CegarLoopResult]: For program point L763(lines 763 778) no Hoare annotation was computed. [2020-10-20 00:00:33,037 INFO L274 CegarLoopResult]: For program point L433(lines 433 435) no Hoare annotation was computed. [2020-10-20 00:00:33,037 INFO L274 CegarLoopResult]: For program point L301(lines 301 303) no Hoare annotation was computed. [2020-10-20 00:00:33,037 INFO L274 CegarLoopResult]: For program point L169(lines 169 180) no Hoare annotation was computed. [2020-10-20 00:00:33,037 INFO L274 CegarLoopResult]: For program point L897(lines 897 899) no Hoare annotation was computed. [2020-10-20 00:00:33,037 INFO L274 CegarLoopResult]: For program point L765(lines 765 776) no Hoare annotation was computed. [2020-10-20 00:00:33,037 INFO L274 CegarLoopResult]: For program point L699(lines 699 714) no Hoare annotation was computed. [2020-10-20 00:00:33,037 INFO L274 CegarLoopResult]: For program point L369(lines 369 371) no Hoare annotation was computed. [2020-10-20 00:00:33,037 INFO L274 CegarLoopResult]: For program point L237(lines 237 239) no Hoare annotation was computed. [2020-10-20 00:00:33,038 INFO L274 CegarLoopResult]: For program point L105(lines 105 107) no Hoare annotation was computed. [2020-10-20 00:00:33,038 INFO L274 CegarLoopResult]: For program point L833(lines 833 835) no Hoare annotation was computed. [2020-10-20 00:00:33,038 INFO L274 CegarLoopResult]: For program point L701(lines 701 712) no Hoare annotation was computed. [2020-10-20 00:00:33,038 INFO L274 CegarLoopResult]: For program point L635(lines 635 650) no Hoare annotation was computed. [2020-10-20 00:00:33,038 INFO L274 CegarLoopResult]: For program point L173(lines 173 175) no Hoare annotation was computed. [2020-10-20 00:00:33,038 INFO L274 CegarLoopResult]: For program point L1231(lines 1231 1246) no Hoare annotation was computed. [2020-10-20 00:00:33,038 INFO L274 CegarLoopResult]: For program point L769(lines 769 771) no Hoare annotation was computed. [2020-10-20 00:00:33,038 INFO L274 CegarLoopResult]: For program point L637(lines 637 648) no Hoare annotation was computed. [2020-10-20 00:00:33,038 INFO L274 CegarLoopResult]: For program point L571(lines 571 586) no Hoare annotation was computed. [2020-10-20 00:00:33,039 INFO L274 CegarLoopResult]: For program point L1233(lines 1233 1244) no Hoare annotation was computed. [2020-10-20 00:00:33,039 INFO L274 CegarLoopResult]: For program point L1167(lines 1167 1182) no Hoare annotation was computed. [2020-10-20 00:00:33,039 INFO L274 CegarLoopResult]: For program point L1035(lines 1035 1050) no Hoare annotation was computed. [2020-10-20 00:00:33,039 INFO L274 CegarLoopResult]: For program point L705(lines 705 707) no Hoare annotation was computed. [2020-10-20 00:00:33,040 INFO L274 CegarLoopResult]: For program point L573(lines 573 584) no Hoare annotation was computed. [2020-10-20 00:00:33,041 INFO L274 CegarLoopResult]: For program point L507(lines 507 522) no Hoare annotation was computed. [2020-10-20 00:00:33,041 INFO L274 CegarLoopResult]: For program point L1169(lines 1169 1180) no Hoare annotation was computed. [2020-10-20 00:00:33,041 INFO L274 CegarLoopResult]: For program point L1103(lines 1103 1118) no Hoare annotation was computed. [2020-10-20 00:00:33,041 INFO L274 CegarLoopResult]: For program point L46(lines 46 65) no Hoare annotation was computed. [2020-10-20 00:00:33,041 INFO L274 CegarLoopResult]: For program point L1037(lines 1037 1048) no Hoare annotation was computed. [2020-10-20 00:00:33,041 INFO L274 CegarLoopResult]: For program point L971(lines 971 986) no Hoare annotation was computed. [2020-10-20 00:00:33,042 INFO L274 CegarLoopResult]: For program point L641(lines 641 643) no Hoare annotation was computed. [2020-10-20 00:00:33,042 INFO L274 CegarLoopResult]: For program point L509(lines 509 520) no Hoare annotation was computed. [2020-10-20 00:00:33,042 INFO L274 CegarLoopResult]: For program point L443(lines 443 458) no Hoare annotation was computed. [2020-10-20 00:00:33,042 INFO L274 CegarLoopResult]: For program point L311(lines 311 326) no Hoare annotation was computed. [2020-10-20 00:00:33,042 INFO L274 CegarLoopResult]: For program point L47(lines 47 62) no Hoare annotation was computed. [2020-10-20 00:00:33,043 INFO L274 CegarLoopResult]: For program point L1237(lines 1237 1239) no Hoare annotation was computed. [2020-10-20 00:00:33,043 INFO L274 CegarLoopResult]: For program point L1105(lines 1105 1116) no Hoare annotation was computed. [2020-10-20 00:00:33,043 INFO L274 CegarLoopResult]: For program point L973(lines 973 984) no Hoare annotation was computed. [2020-10-20 00:00:33,043 INFO L274 CegarLoopResult]: For program point L907(lines 907 922) no Hoare annotation was computed. [2020-10-20 00:00:33,043 INFO L274 CegarLoopResult]: For program point L577(lines 577 579) no Hoare annotation was computed. [2020-10-20 00:00:33,043 INFO L274 CegarLoopResult]: For program point L445(lines 445 456) no Hoare annotation was computed. [2020-10-20 00:00:33,044 INFO L274 CegarLoopResult]: For program point L379(lines 379 394) no Hoare annotation was computed. [2020-10-20 00:00:33,044 INFO L274 CegarLoopResult]: For program point L313(lines 313 324) no Hoare annotation was computed. [2020-10-20 00:00:33,044 INFO L274 CegarLoopResult]: For program point L247(lines 247 262) no Hoare annotation was computed. [2020-10-20 00:00:33,044 INFO L270 CegarLoopResult]: At program point L1238(lines 18 1257) the Hoare annotation is: false [2020-10-20 00:00:33,045 INFO L274 CegarLoopResult]: For program point L115(lines 115 130) no Hoare annotation was computed. [2020-10-20 00:00:33,045 INFO L274 CegarLoopResult]: For program point L49(lines 49 60) no Hoare annotation was computed. [2020-10-20 00:00:33,045 INFO L274 CegarLoopResult]: For program point L1173(lines 1173 1175) no Hoare annotation was computed. [2020-10-20 00:00:33,045 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1043) no Hoare annotation was computed. [2020-10-20 00:00:33,045 INFO L274 CegarLoopResult]: For program point L909(lines 909 920) no Hoare annotation was computed. [2020-10-20 00:00:33,046 INFO L274 CegarLoopResult]: For program point L843(lines 843 858) no Hoare annotation was computed. [2020-10-20 00:00:33,046 INFO L274 CegarLoopResult]: For program point L513(lines 513 515) no Hoare annotation was computed. [2020-10-20 00:00:33,046 INFO L274 CegarLoopResult]: For program point L381(lines 381 392) no Hoare annotation was computed. [2020-10-20 00:00:33,046 INFO L274 CegarLoopResult]: For program point L249(lines 249 260) no Hoare annotation was computed. [2020-10-20 00:00:33,046 INFO L274 CegarLoopResult]: For program point L183(lines 183 198) no Hoare annotation was computed. [2020-10-20 00:00:33,047 INFO L274 CegarLoopResult]: For program point L117(lines 117 128) no Hoare annotation was computed. [2020-10-20 00:00:33,047 INFO L274 CegarLoopResult]: For program point L1109(lines 1109 1111) no Hoare annotation was computed. [2020-10-20 00:00:33,047 INFO L274 CegarLoopResult]: For program point L977(lines 977 979) no Hoare annotation was computed. [2020-10-20 00:00:33,047 INFO L274 CegarLoopResult]: For program point L845(lines 845 856) no Hoare annotation was computed. [2020-10-20 00:00:33,047 INFO L274 CegarLoopResult]: For program point L779(lines 779 794) no Hoare annotation was computed. [2020-10-20 00:00:33,047 INFO L274 CegarLoopResult]: For program point L449(lines 449 451) no Hoare annotation was computed. [2020-10-20 00:00:33,048 INFO L274 CegarLoopResult]: For program point L317(lines 317 319) no Hoare annotation was computed. [2020-10-20 00:00:33,048 INFO L274 CegarLoopResult]: For program point L185(lines 185 196) no Hoare annotation was computed. [2020-10-20 00:00:33,048 INFO L274 CegarLoopResult]: For program point L53(lines 53 55) no Hoare annotation was computed. [2020-10-20 00:00:33,048 INFO L274 CegarLoopResult]: For program point L913(lines 913 915) no Hoare annotation was computed. [2020-10-20 00:00:33,048 INFO L274 CegarLoopResult]: For program point L781(lines 781 792) no Hoare annotation was computed. [2020-10-20 00:00:33,049 INFO L274 CegarLoopResult]: For program point L715(lines 715 730) no Hoare annotation was computed. [2020-10-20 00:00:33,049 INFO L274 CegarLoopResult]: For program point L385(lines 385 387) no Hoare annotation was computed. [2020-10-20 00:00:33,049 INFO L274 CegarLoopResult]: For program point L253(lines 253 255) no Hoare annotation was computed. [2020-10-20 00:00:33,049 INFO L274 CegarLoopResult]: For program point L121(lines 121 123) no Hoare annotation was computed. [2020-10-20 00:00:33,049 INFO L274 CegarLoopResult]: For program point L849(lines 849 851) no Hoare annotation was computed. [2020-10-20 00:00:33,049 INFO L274 CegarLoopResult]: For program point L717(lines 717 728) no Hoare annotation was computed. [2020-10-20 00:00:33,050 INFO L274 CegarLoopResult]: For program point L651(lines 651 666) no Hoare annotation was computed. [2020-10-20 00:00:33,050 INFO L274 CegarLoopResult]: For program point L189(lines 189 191) no Hoare annotation was computed. [2020-10-20 00:00:33,050 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 00:00:33,050 INFO L274 CegarLoopResult]: For program point L785(lines 785 787) no Hoare annotation was computed. [2020-10-20 00:00:33,050 INFO L274 CegarLoopResult]: For program point L653(lines 653 664) no Hoare annotation was computed. [2020-10-20 00:00:33,050 INFO L274 CegarLoopResult]: For program point L587(lines 587 602) no Hoare annotation was computed. [2020-10-20 00:00:33,051 INFO L270 CegarLoopResult]: At program point L1248(lines 34 1252) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~this_m_conn_data_listener~0 0)) (.cse2 (= ULTIMATE.start_main_~this_m_conn~0 1)) (.cse0 (= ULTIMATE.start_main_~this_m_delta~0 1))) (or (and (= ULTIMATE.start_main_~q~0 0) .cse0) (and (= ULTIMATE.start_main_~q~0 2) .cse0 (= ULTIMATE.start_main_~this_m_conn~0 0) .cse1) (and (<= 4 ULTIMATE.start_main_~q~0) .cse2 .cse0 .cse1) (and .cse2 (= ULTIMATE.start_main_~q~0 3) (= ULTIMATE.start_main_~this_m_conn_data_listener~0 1) .cse0))) [2020-10-20 00:00:33,051 INFO L274 CegarLoopResult]: For program point L1183(lines 1183 1198) no Hoare annotation was computed. [2020-10-20 00:00:33,052 INFO L274 CegarLoopResult]: For program point L1051(lines 1051 1066) no Hoare annotation was computed. [2020-10-20 00:00:33,052 INFO L274 CegarLoopResult]: For program point L721(lines 721 723) no Hoare annotation was computed. [2020-10-20 00:00:33,052 INFO L274 CegarLoopResult]: For program point L589(lines 589 600) no Hoare annotation was computed. [2020-10-20 00:00:33,052 INFO L274 CegarLoopResult]: For program point L523(lines 523 538) no Hoare annotation was computed. [2020-10-20 00:00:33,052 INFO L274 CegarLoopResult]: For program point L1185(lines 1185 1196) no Hoare annotation was computed. [2020-10-20 00:00:33,052 INFO L274 CegarLoopResult]: For program point L1119(lines 1119 1134) no Hoare annotation was computed. [2020-10-20 00:00:33,053 INFO L274 CegarLoopResult]: For program point L1053(lines 1053 1064) no Hoare annotation was computed. [2020-10-20 00:00:33,053 INFO L274 CegarLoopResult]: For program point L987(lines 987 1002) no Hoare annotation was computed. [2020-10-20 00:00:33,053 INFO L274 CegarLoopResult]: For program point L657(lines 657 659) no Hoare annotation was computed. [2020-10-20 00:00:33,053 INFO L274 CegarLoopResult]: For program point L525(lines 525 536) no Hoare annotation was computed. [2020-10-20 00:00:33,053 INFO L274 CegarLoopResult]: For program point L459(lines 459 474) no Hoare annotation was computed. [2020-10-20 00:00:33,054 INFO L274 CegarLoopResult]: For program point L1121(lines 1121 1132) no Hoare annotation was computed. [2020-10-20 00:00:33,054 INFO L274 CegarLoopResult]: For program point L989(lines 989 1000) no Hoare annotation was computed. [2020-10-20 00:00:33,054 INFO L274 CegarLoopResult]: For program point L923(lines 923 938) no Hoare annotation was computed. [2020-10-20 00:00:33,054 INFO L274 CegarLoopResult]: For program point L593(lines 593 595) no Hoare annotation was computed. [2020-10-20 00:00:33,054 INFO L274 CegarLoopResult]: For program point L461(lines 461 472) no Hoare annotation was computed. [2020-10-20 00:00:33,054 INFO L274 CegarLoopResult]: For program point L395(lines 395 410) no Hoare annotation was computed. [2020-10-20 00:00:33,055 INFO L274 CegarLoopResult]: For program point L263(lines 263 278) no Hoare annotation was computed. [2020-10-20 00:00:33,055 INFO L274 CegarLoopResult]: For program point L131(lines 131 146) no Hoare annotation was computed. [2020-10-20 00:00:33,055 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 00:00:33,055 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:00:33,055 INFO L274 CegarLoopResult]: For program point L330(lines 330 1069) no Hoare annotation was computed. [2020-10-20 00:00:33,056 INFO L274 CegarLoopResult]: For program point L1189(lines 1189 1191) no Hoare annotation was computed. [2020-10-20 00:00:33,056 INFO L274 CegarLoopResult]: For program point L66(lines 66 149) no Hoare annotation was computed. [2020-10-20 00:00:33,056 INFO L274 CegarLoopResult]: For program point L1057(lines 1057 1059) no Hoare annotation was computed. [2020-10-20 00:00:33,056 INFO L274 CegarLoopResult]: For program point L925(lines 925 936) no Hoare annotation was computed. [2020-10-20 00:00:33,056 INFO L274 CegarLoopResult]: For program point L859(lines 859 874) no Hoare annotation was computed. [2020-10-20 00:00:33,056 INFO L274 CegarLoopResult]: For program point L529(lines 529 531) no Hoare annotation was computed. [2020-10-20 00:00:33,057 INFO L274 CegarLoopResult]: For program point L397(lines 397 408) no Hoare annotation was computed. [2020-10-20 00:00:33,057 INFO L274 CegarLoopResult]: For program point L331(lines 331 346) no Hoare annotation was computed. [2020-10-20 00:00:33,057 INFO L274 CegarLoopResult]: For program point L265(lines 265 276) no Hoare annotation was computed. [2020-10-20 00:00:33,057 INFO L274 CegarLoopResult]: For program point L199(lines 199 214) no Hoare annotation was computed. [2020-10-20 00:00:33,057 INFO L274 CegarLoopResult]: For program point L133(lines 133 144) no Hoare annotation was computed. [2020-10-20 00:00:33,058 INFO L274 CegarLoopResult]: For program point L67(lines 67 82) no Hoare annotation was computed. [2020-10-20 00:00:33,058 INFO L274 CegarLoopResult]: For program point L1125(lines 1125 1127) no Hoare annotation was computed. [2020-10-20 00:00:33,058 INFO L274 CegarLoopResult]: For program point L993(lines 993 995) no Hoare annotation was computed. [2020-10-20 00:00:33,058 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-20 00:00:33,058 INFO L274 CegarLoopResult]: For program point L795(lines 795 810) no Hoare annotation was computed. [2020-10-20 00:00:33,059 INFO L274 CegarLoopResult]: For program point L465(lines 465 467) no Hoare annotation was computed. [2020-10-20 00:00:33,059 INFO L274 CegarLoopResult]: For program point L333(lines 333 344) no Hoare annotation was computed. [2020-10-20 00:00:33,059 INFO L274 CegarLoopResult]: For program point L201(lines 201 212) no Hoare annotation was computed. [2020-10-20 00:00:33,059 INFO L274 CegarLoopResult]: For program point L69(lines 69 80) no Hoare annotation was computed. [2020-10-20 00:00:33,059 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-20 00:00:33,059 INFO L274 CegarLoopResult]: For program point L929(lines 929 931) no Hoare annotation was computed. [2020-10-20 00:00:33,060 INFO L274 CegarLoopResult]: For program point L797(lines 797 808) no Hoare annotation was computed. [2020-10-20 00:00:33,060 INFO L274 CegarLoopResult]: For program point L731(lines 731 746) no Hoare annotation was computed. [2020-10-20 00:00:33,060 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-10-20 00:00:33,060 INFO L274 CegarLoopResult]: For program point L269(lines 269 271) no Hoare annotation was computed. [2020-10-20 00:00:33,060 INFO L274 CegarLoopResult]: For program point L137(lines 137 139) no Hoare annotation was computed. [2020-10-20 00:00:33,061 INFO L274 CegarLoopResult]: For program point L865(lines 865 867) no Hoare annotation was computed. [2020-10-20 00:00:33,061 INFO L274 CegarLoopResult]: For program point L733(lines 733 744) no Hoare annotation was computed. [2020-10-20 00:00:33,061 INFO L274 CegarLoopResult]: For program point L667(lines 667 682) no Hoare annotation was computed. [2020-10-20 00:00:33,061 INFO L274 CegarLoopResult]: For program point L337(lines 337 339) no Hoare annotation was computed. [2020-10-20 00:00:33,061 INFO L274 CegarLoopResult]: For program point L205(lines 205 207) no Hoare annotation was computed. [2020-10-20 00:00:33,061 INFO L274 CegarLoopResult]: For program point L73(lines 73 75) no Hoare annotation was computed. [2020-10-20 00:00:33,062 INFO L274 CegarLoopResult]: For program point L801(lines 801 803) no Hoare annotation was computed. [2020-10-20 00:00:33,062 INFO L274 CegarLoopResult]: For program point L669(lines 669 680) no Hoare annotation was computed. [2020-10-20 00:00:33,062 INFO L274 CegarLoopResult]: For program point L603(lines 603 618) no Hoare annotation was computed. [2020-10-20 00:00:33,062 INFO L274 CegarLoopResult]: For program point L1199(lines 1199 1214) no Hoare annotation was computed. [2020-10-20 00:00:33,062 INFO L274 CegarLoopResult]: For program point L737(lines 737 739) no Hoare annotation was computed. [2020-10-20 00:00:33,063 INFO L274 CegarLoopResult]: For program point L605(lines 605 616) no Hoare annotation was computed. [2020-10-20 00:00:33,063 INFO L274 CegarLoopResult]: For program point L539(lines 539 554) no Hoare annotation was computed. [2020-10-20 00:00:33,063 INFO L274 CegarLoopResult]: For program point L1201(lines 1201 1212) no Hoare annotation was computed. [2020-10-20 00:00:33,063 INFO L274 CegarLoopResult]: For program point L1135(lines 1135 1150) no Hoare annotation was computed. [2020-10-20 00:00:33,063 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1018) no Hoare annotation was computed. [2020-10-20 00:00:33,063 INFO L274 CegarLoopResult]: For program point L673(lines 673 675) no Hoare annotation was computed. [2020-10-20 00:00:33,064 INFO L274 CegarLoopResult]: For program point L541(lines 541 552) no Hoare annotation was computed. [2020-10-20 00:00:33,064 INFO L274 CegarLoopResult]: For program point L475(lines 475 490) no Hoare annotation was computed. [2020-10-20 00:00:33,064 INFO L274 CegarLoopResult]: For program point L1070(lines 1070 1249) no Hoare annotation was computed. [2020-10-20 00:00:33,064 INFO L274 CegarLoopResult]: For program point L1137(lines 1137 1148) no Hoare annotation was computed. [2020-10-20 00:00:33,064 INFO L274 CegarLoopResult]: For program point L1071(lines 1071 1086) no Hoare annotation was computed. [2020-10-20 00:00:33,064 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1016) no Hoare annotation was computed. [2020-10-20 00:00:33,065 INFO L274 CegarLoopResult]: For program point L939(lines 939 954) no Hoare annotation was computed. [2020-10-20 00:00:33,065 INFO L274 CegarLoopResult]: For program point L609(lines 609 611) no Hoare annotation was computed. [2020-10-20 00:00:33,065 INFO L274 CegarLoopResult]: For program point L477(lines 477 488) no Hoare annotation was computed. [2020-10-20 00:00:33,065 INFO L274 CegarLoopResult]: For program point L411(lines 411 426) no Hoare annotation was computed. [2020-10-20 00:00:33,065 INFO L274 CegarLoopResult]: For program point L279(lines 279 294) no Hoare annotation was computed. [2020-10-20 00:00:33,066 INFO L274 CegarLoopResult]: For program point L1205(lines 1205 1207) no Hoare annotation was computed. [2020-10-20 00:00:33,066 INFO L274 CegarLoopResult]: For program point L1073(lines 1073 1084) no Hoare annotation was computed. [2020-10-20 00:00:33,066 INFO L274 CegarLoopResult]: For program point L941(lines 941 952) no Hoare annotation was computed. [2020-10-20 00:00:33,066 INFO L274 CegarLoopResult]: For program point L875(lines 875 890) no Hoare annotation was computed. [2020-10-20 00:00:33,066 INFO L274 CegarLoopResult]: For program point L545(lines 545 547) no Hoare annotation was computed. [2020-10-20 00:00:33,066 INFO L274 CegarLoopResult]: For program point L413(lines 413 424) no Hoare annotation was computed. [2020-10-20 00:00:33,067 INFO L274 CegarLoopResult]: For program point L347(lines 347 362) no Hoare annotation was computed. [2020-10-20 00:00:33,067 INFO L274 CegarLoopResult]: For program point L281(lines 281 292) no Hoare annotation was computed. [2020-10-20 00:00:33,067 INFO L274 CegarLoopResult]: For program point L215(lines 215 230) no Hoare annotation was computed. [2020-10-20 00:00:33,067 INFO L274 CegarLoopResult]: For program point L83(lines 83 98) no Hoare annotation was computed. [2020-10-20 00:00:33,067 INFO L274 CegarLoopResult]: For program point L150(lines 150 329) no Hoare annotation was computed. [2020-10-20 00:00:33,068 INFO L274 CegarLoopResult]: For program point L1141(lines 1141 1143) no Hoare annotation was computed. [2020-10-20 00:00:33,068 INFO L277 CegarLoopResult]: At program point L18(lines 18 1257) the Hoare annotation is: true [2020-10-20 00:00:33,068 INFO L274 CegarLoopResult]: For program point L1009(lines 1009 1011) no Hoare annotation was computed. [2020-10-20 00:00:33,068 INFO L274 CegarLoopResult]: For program point L877(lines 877 888) no Hoare annotation was computed. [2020-10-20 00:00:33,069 INFO L274 CegarLoopResult]: For program point L811(lines 811 826) no Hoare annotation was computed. [2020-10-20 00:00:33,069 INFO L274 CegarLoopResult]: For program point L481(lines 481 483) no Hoare annotation was computed. [2020-10-20 00:00:33,069 INFO L274 CegarLoopResult]: For program point L349(lines 349 360) no Hoare annotation was computed. [2020-10-20 00:00:33,069 INFO L274 CegarLoopResult]: For program point L217(lines 217 228) no Hoare annotation was computed. [2020-10-20 00:00:33,070 INFO L274 CegarLoopResult]: For program point L151(lines 151 166) no Hoare annotation was computed. [2020-10-20 00:00:33,070 INFO L274 CegarLoopResult]: For program point L85(lines 85 96) no Hoare annotation was computed. [2020-10-20 00:00:33,070 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 00:00:33,070 INFO L274 CegarLoopResult]: For program point L1077(lines 1077 1079) no Hoare annotation was computed. [2020-10-20 00:00:33,070 INFO L274 CegarLoopResult]: For program point L945(lines 945 947) no Hoare annotation was computed. [2020-10-20 00:00:33,071 INFO L274 CegarLoopResult]: For program point L813(lines 813 824) no Hoare annotation was computed. [2020-10-20 00:00:33,071 INFO L274 CegarLoopResult]: For program point L747(lines 747 762) no Hoare annotation was computed. [2020-10-20 00:00:33,071 INFO L274 CegarLoopResult]: For program point L417(lines 417 419) no Hoare annotation was computed. [2020-10-20 00:00:33,071 INFO L274 CegarLoopResult]: For program point L285(lines 285 287) no Hoare annotation was computed. [2020-10-20 00:00:33,071 INFO L274 CegarLoopResult]: For program point L153(lines 153 164) no Hoare annotation was computed. [2020-10-20 00:00:33,072 INFO L274 CegarLoopResult]: For program point L881(lines 881 883) no Hoare annotation was computed. [2020-10-20 00:00:33,072 INFO L274 CegarLoopResult]: For program point L749(lines 749 760) no Hoare annotation was computed. [2020-10-20 00:00:33,072 INFO L274 CegarLoopResult]: For program point L683(lines 683 698) no Hoare annotation was computed. [2020-10-20 00:00:33,072 INFO L274 CegarLoopResult]: For program point L353(lines 353 355) no Hoare annotation was computed. [2020-10-20 00:00:33,072 INFO L274 CegarLoopResult]: For program point L221(lines 221 223) no Hoare annotation was computed. [2020-10-20 00:00:33,072 INFO L274 CegarLoopResult]: For program point L89(lines 89 91) no Hoare annotation was computed. [2020-10-20 00:00:33,073 INFO L274 CegarLoopResult]: For program point L817(lines 817 819) no Hoare annotation was computed. [2020-10-20 00:00:33,073 INFO L274 CegarLoopResult]: For program point L685(lines 685 696) no Hoare annotation was computed. [2020-10-20 00:00:33,073 INFO L274 CegarLoopResult]: For program point L619(lines 619 634) no Hoare annotation was computed. [2020-10-20 00:00:33,073 INFO L274 CegarLoopResult]: For program point L157(lines 157 159) no Hoare annotation was computed. [2020-10-20 00:00:33,073 INFO L274 CegarLoopResult]: For program point L1215(lines 1215 1230) no Hoare annotation was computed. [2020-10-20 00:00:33,073 INFO L274 CegarLoopResult]: For program point L753(lines 753 755) no Hoare annotation was computed. [2020-10-20 00:00:33,074 INFO L274 CegarLoopResult]: For program point L621(lines 621 632) no Hoare annotation was computed. [2020-10-20 00:00:33,074 INFO L274 CegarLoopResult]: For program point L555(lines 555 570) no Hoare annotation was computed. [2020-10-20 00:00:33,074 INFO L274 CegarLoopResult]: For program point L1217(lines 1217 1228) no Hoare annotation was computed. [2020-10-20 00:00:33,074 INFO L274 CegarLoopResult]: For program point L1151(lines 1151 1166) no Hoare annotation was computed. [2020-10-20 00:00:33,074 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 00:00:33,075 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1034) no Hoare annotation was computed. [2020-10-20 00:00:33,075 INFO L274 CegarLoopResult]: For program point L689(lines 689 691) no Hoare annotation was computed. [2020-10-20 00:00:33,075 INFO L274 CegarLoopResult]: For program point L557(lines 557 568) no Hoare annotation was computed. [2020-10-20 00:00:33,075 INFO L274 CegarLoopResult]: For program point L491(lines 491 506) no Hoare annotation was computed. [2020-10-20 00:00:33,075 INFO L274 CegarLoopResult]: For program point L1153(lines 1153 1164) no Hoare annotation was computed. [2020-10-20 00:00:33,075 INFO L274 CegarLoopResult]: For program point L1087(lines 1087 1102) no Hoare annotation was computed. [2020-10-20 00:00:33,076 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1032) no Hoare annotation was computed. [2020-10-20 00:00:33,076 INFO L274 CegarLoopResult]: For program point L955(lines 955 970) no Hoare annotation was computed. [2020-10-20 00:00:33,076 INFO L274 CegarLoopResult]: For program point L625(lines 625 627) no Hoare annotation was computed. [2020-10-20 00:00:33,076 INFO L274 CegarLoopResult]: For program point L493(lines 493 504) no Hoare annotation was computed. [2020-10-20 00:00:33,076 INFO L274 CegarLoopResult]: For program point L427(lines 427 442) no Hoare annotation was computed. [2020-10-20 00:00:33,076 INFO L274 CegarLoopResult]: For program point L295(lines 295 310) no Hoare annotation was computed. [2020-10-20 00:00:33,077 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1223) no Hoare annotation was computed. [2020-10-20 00:00:33,077 INFO L274 CegarLoopResult]: For program point L1089(lines 1089 1100) no Hoare annotation was computed. [2020-10-20 00:00:33,077 INFO L274 CegarLoopResult]: For program point L957(lines 957 968) no Hoare annotation was computed. [2020-10-20 00:00:33,077 INFO L274 CegarLoopResult]: For program point L891(lines 891 906) no Hoare annotation was computed. [2020-10-20 00:00:33,078 INFO L274 CegarLoopResult]: For program point L561(lines 561 563) no Hoare annotation was computed. [2020-10-20 00:00:33,078 INFO L274 CegarLoopResult]: For program point L429(lines 429 440) no Hoare annotation was computed. [2020-10-20 00:00:33,078 INFO L274 CegarLoopResult]: For program point L363(lines 363 378) no Hoare annotation was computed. [2020-10-20 00:00:33,079 INFO L274 CegarLoopResult]: For program point L297(lines 297 308) no Hoare annotation was computed. [2020-10-20 00:00:33,079 INFO L274 CegarLoopResult]: For program point L231(lines 231 246) no Hoare annotation was computed. [2020-10-20 00:00:33,079 INFO L274 CegarLoopResult]: For program point L99(lines 99 114) no Hoare annotation was computed. [2020-10-20 00:00:33,079 INFO L274 CegarLoopResult]: For program point L1157(lines 1157 1159) no Hoare annotation was computed. [2020-10-20 00:00:33,079 INFO L274 CegarLoopResult]: For program point L1025(lines 1025 1027) no Hoare annotation was computed. [2020-10-20 00:00:33,080 INFO L270 CegarLoopResult]: At program point L34-2(lines 34 1252) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~this_m_delta~0 1)) (.cse1 (= ULTIMATE.start_main_~this_m_conn_data_listener~0 0))) (or (and (<= 4 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~this_m_conn~0 1) .cse0 .cse1) (and (= ULTIMATE.start_main_~q~0 0) .cse0 (= ULTIMATE.start_main_~this_m_conn~0 0) .cse1))) [2020-10-20 00:00:33,080 INFO L274 CegarLoopResult]: For program point L34-3(lines 34 1252) no Hoare annotation was computed. [2020-10-20 00:00:33,080 INFO L274 CegarLoopResult]: For program point L893(lines 893 904) no Hoare annotation was computed. [2020-10-20 00:00:33,080 INFO L274 CegarLoopResult]: For program point L827(lines 827 842) no Hoare annotation was computed. [2020-10-20 00:00:33,081 INFO L274 CegarLoopResult]: For program point L497(lines 497 499) no Hoare annotation was computed. [2020-10-20 00:00:33,081 INFO L274 CegarLoopResult]: For program point L365(lines 365 376) no Hoare annotation was computed. [2020-10-20 00:00:33,081 INFO L274 CegarLoopResult]: For program point L233(lines 233 244) no Hoare annotation was computed. [2020-10-20 00:00:33,081 INFO L274 CegarLoopResult]: For program point L167(lines 167 182) no Hoare annotation was computed. [2020-10-20 00:00:33,081 INFO L274 CegarLoopResult]: For program point L101(lines 101 112) no Hoare annotation was computed. [2020-10-20 00:00:33,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:00:33 BoogieIcfgContainer [2020-10-20 00:00:33,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:00:33,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:00:33,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:00:33,120 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:00:33,121 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:00:29" (3/4) ... [2020-10-20 00:00:33,126 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 00:00:33,191 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-10-20 00:00:33,191 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-20 00:00:33,192 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:00:33,192 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:00:33,262 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:00:33,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:00:33,266 INFO L168 Benchmark]: Toolchain (without parser) took 7727.05 ms. Allocated memory was 36.2 MB in the beginning and 112.2 MB in the end (delta: 76.0 MB). Free memory was 10.2 MB in the beginning and 18.8 MB in the end (delta: -8.6 MB). Peak memory consumption was 67.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:00:33,266 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 34.6 MB. Free memory was 13.6 MB in the beginning and 13.6 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. [2020-10-20 00:00:33,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1313.88 ms. Allocated memory was 36.2 MB in the beginning and 54.0 MB in the end (delta: 17.8 MB). Free memory was 9.2 MB in the beginning and 8.6 MB in the end (delta: 600.7 kB). Peak memory consumption was 21.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:00:33,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 208.75 ms. Allocated memory was 54.0 MB in the beginning and 61.3 MB in the end (delta: 7.3 MB). Free memory was 8.6 MB in the beginning and 14.5 MB in the end (delta: -5.9 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:00:33,275 INFO L168 Benchmark]: Boogie Preprocessor took 395.37 ms. Allocated memory was 61.3 MB in the beginning and 71.3 MB in the end (delta: 10.0 MB). Free memory was 14.5 MB in the beginning and 27.7 MB in the end (delta: -13.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:00:33,276 INFO L168 Benchmark]: RCFGBuilder took 2085.21 ms. Allocated memory was 71.3 MB in the beginning and 102.8 MB in the end (delta: 31.5 MB). Free memory was 27.7 MB in the beginning and 51.0 MB in the end (delta: -23.3 MB). Peak memory consumption was 45.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:00:33,276 INFO L168 Benchmark]: TraceAbstraction took 3566.02 ms. Allocated memory was 102.8 MB in the beginning and 112.2 MB in the end (delta: 9.4 MB). Free memory was 50.2 MB in the beginning and 23.0 MB in the end (delta: 27.2 MB). Peak memory consumption was 36.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:00:33,280 INFO L168 Benchmark]: Witness Printer took 143.13 ms. Allocated memory is still 112.2 MB. Free memory was 23.0 MB in the beginning and 18.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:00:33,290 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 34.6 MB. Free memory was 13.6 MB in the beginning and 13.6 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1313.88 ms. Allocated memory was 36.2 MB in the beginning and 54.0 MB in the end (delta: 17.8 MB). Free memory was 9.2 MB in the beginning and 8.6 MB in the end (delta: 600.7 kB). Peak memory consumption was 21.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 208.75 ms. Allocated memory was 54.0 MB in the beginning and 61.3 MB in the end (delta: 7.3 MB). Free memory was 8.6 MB in the beginning and 14.5 MB in the end (delta: -5.9 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 395.37 ms. Allocated memory was 61.3 MB in the beginning and 71.3 MB in the end (delta: 10.0 MB). Free memory was 14.5 MB in the beginning and 27.7 MB in the end (delta: -13.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2085.21 ms. Allocated memory was 71.3 MB in the beginning and 102.8 MB in the end (delta: 31.5 MB). Free memory was 27.7 MB in the beginning and 51.0 MB in the end (delta: -23.3 MB). Peak memory consumption was 45.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 3566.02 ms. Allocated memory was 102.8 MB in the beginning and 112.2 MB in the end (delta: 9.4 MB). Free memory was 50.2 MB in the beginning and 23.0 MB in the end (delta: 27.2 MB). Peak memory consumption was 36.6 MB. Max. memory is 14.3 GB. * Witness Printer took 143.13 ms. Allocated memory is still 112.2 MB. Free memory was 23.0 MB in the beginning and 18.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 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: 34]: Loop Invariant Derived loop invariant: (((4 <= q && this_m_conn == 1) && this_m_delta == 1) && this_m_conn_data_listener == 0) || (((q == 0 && this_m_delta == 1) && this_m_conn == 0) && this_m_conn_data_listener == 0) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((q == 0 && this_m_delta == 1) || (((q == 2 && this_m_delta == 1) && this_m_conn == 0) && this_m_conn_data_listener == 0)) || (((4 <= q && this_m_conn == 1) && this_m_delta == 1) && this_m_conn_data_listener == 0)) || (((this_m_conn == 1 && q == 3) && this_m_conn_data_listener == 1) && this_m_delta == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 238 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3823 SDtfs, 1581 SDslu, 1641 SDs, 0 SdLazy, 630 SolverSat, 301 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=418occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 43 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 11 NumberOfFragments, 76 HoareAnnotationTreeSize, 4 FomulaSimplifications, 26 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 11228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 47/47 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...