./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label01.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87dc2a654f666511f740e901e35bb4987a0508ac ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:01:49,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:01:49,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:01:49,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:01:49,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:01:49,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:01:49,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:01:49,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:01:49,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:01:49,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:01:49,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:01:49,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:01:49,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:01:49,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:01:49,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:01:49,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:01:49,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:01:49,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:01:49,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:01:49,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:01:49,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:01:49,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:01:49,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:01:49,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:01:49,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:01:49,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:01:49,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:01:49,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:01:49,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:01:49,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:01:49,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:01:49,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:01:49,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:01:49,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:01:49,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:01:49,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:01:49,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:01:49,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:01:49,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:01:49,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:01:49,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:01:49,765 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:01:49,796 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:01:49,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:01:49,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:01:49,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:01:49,802 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:01:49,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:01:49,803 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:01:49,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:01:49,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:01:49,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:01:49,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:01:49,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:01:49,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:01:49,805 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:01:49,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:01:49,805 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:01:49,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:01:49,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:01:49,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:01:49,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:01:49,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:01:49,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:01:49,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:01:49,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:01:49,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:01:49,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:01:49,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:01:49,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:01:49,812 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(__VERIFIER_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 -> 87dc2a654f666511f740e901e35bb4987a0508ac [2019-11-27 23:01:50,095 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:01:50,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:01:50,115 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:01:50,117 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:01:50,118 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:01:50,119 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label01.c [2019-11-27 23:01:50,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6232ce021/972884ed0418453881947748c975e81a/FLAGb855027f1 [2019-11-27 23:01:50,858 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:01:50,859 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label01.c [2019-11-27 23:01:50,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6232ce021/972884ed0418453881947748c975e81a/FLAGb855027f1 [2019-11-27 23:01:51,053 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6232ce021/972884ed0418453881947748c975e81a [2019-11-27 23:01:51,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:01:51,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:01:51,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:01:51,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:01:51,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:01:51,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:01:51" (1/1) ... [2019-11-27 23:01:51,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f61f9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:51, skipping insertion in model container [2019-11-27 23:01:51,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:01:51" (1/1) ... [2019-11-27 23:01:51,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:01:51,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:01:51,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:01:51,728 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:01:51,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:01:51,994 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:01:51,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:51 WrapperNode [2019-11-27 23:01:51,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:01:51,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:01:51,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:01:51,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:01:52,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:51" (1/1) ... [2019-11-27 23:01:52,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:51" (1/1) ... [2019-11-27 23:01:52,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:01:52,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:01:52,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:01:52,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:01:52,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:51" (1/1) ... [2019-11-27 23:01:52,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:51" (1/1) ... [2019-11-27 23:01:52,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:51" (1/1) ... [2019-11-27 23:01:52,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:51" (1/1) ... [2019-11-27 23:01:52,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:51" (1/1) ... [2019-11-27 23:01:52,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:51" (1/1) ... [2019-11-27 23:01:52,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:51" (1/1) ... [2019-11-27 23:01:52,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:01:52,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:01:52,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:01:52,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:01:52,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:51" (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 [2019-11-27 23:01:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:01:52,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:01:54,409 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:01:54,409 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-27 23:01:54,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:01:54 BoogieIcfgContainer [2019-11-27 23:01:54,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:01:54,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:01:54,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:01:54,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:01:54,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:01:51" (1/3) ... [2019-11-27 23:01:54,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ad0fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:01:54, skipping insertion in model container [2019-11-27 23:01:54,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:51" (2/3) ... [2019-11-27 23:01:54,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ad0fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:01:54, skipping insertion in model container [2019-11-27 23:01:54,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:01:54" (3/3) ... [2019-11-27 23:01:54,429 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label01.c [2019-11-27 23:01:54,442 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:01:54,456 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:01:54,477 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:01:54,540 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:01:54,541 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:01:54,541 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:01:54,542 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:01:54,542 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:01:54,542 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:01:54,543 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:01:54,543 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:01:54,588 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2019-11-27 23:01:54,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-27 23:01:54,601 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:54,603 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:01:54,603 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:54,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:54,612 INFO L82 PathProgramCache]: Analyzing trace with hash -66916295, now seen corresponding path program 1 times [2019-11-27 23:01:54,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:54,630 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165112489] [2019-11-27 23:01:54,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:55,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:01:55,116 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165112489] [2019-11-27 23:01:55,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:55,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:01:55,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218413841] [2019-11-27 23:01:55,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:01:55,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:55,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:01:55,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:55,142 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 4 states. [2019-11-27 23:01:57,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:57,271 INFO L93 Difference]: Finished difference Result 957 states and 1724 transitions. [2019-11-27 23:01:57,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:01:57,273 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2019-11-27 23:01:57,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:57,300 INFO L225 Difference]: With dead ends: 957 [2019-11-27 23:01:57,300 INFO L226 Difference]: Without dead ends: 606 [2019-11-27 23:01:57,310 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:57,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2019-11-27 23:01:57,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 606. [2019-11-27 23:01:57,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 606 states. [2019-11-27 23:01:57,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 858 transitions. [2019-11-27 23:01:57,419 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 858 transitions. Word has length 57 [2019-11-27 23:01:57,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:57,422 INFO L462 AbstractCegarLoop]: Abstraction has 606 states and 858 transitions. [2019-11-27 23:01:57,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:01:57,422 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 858 transitions. [2019-11-27 23:01:57,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-27 23:01:57,428 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:57,429 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:01:57,429 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:57,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:57,430 INFO L82 PathProgramCache]: Analyzing trace with hash -185558956, now seen corresponding path program 1 times [2019-11-27 23:01:57,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:57,430 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936765893] [2019-11-27 23:01:57,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:57,636 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:01:57,637 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936765893] [2019-11-27 23:01:57,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:57,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:01:57,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772129295] [2019-11-27 23:01:57,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:01:57,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:57,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:01:57,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:57,641 INFO L87 Difference]: Start difference. First operand 606 states and 858 transitions. Second operand 4 states. [2019-11-27 23:01:59,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:59,485 INFO L93 Difference]: Finished difference Result 2329 states and 3311 transitions. [2019-11-27 23:01:59,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:01:59,487 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2019-11-27 23:01:59,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:59,496 INFO L225 Difference]: With dead ends: 2329 [2019-11-27 23:01:59,496 INFO L226 Difference]: Without dead ends: 1725 [2019-11-27 23:01:59,499 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:59,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2019-11-27 23:01:59,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1159. [2019-11-27 23:01:59,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1159 states. [2019-11-27 23:01:59,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1513 transitions. [2019-11-27 23:01:59,548 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1513 transitions. Word has length 133 [2019-11-27 23:01:59,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:59,549 INFO L462 AbstractCegarLoop]: Abstraction has 1159 states and 1513 transitions. [2019-11-27 23:01:59,549 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:01:59,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1513 transitions. [2019-11-27 23:01:59,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-27 23:01:59,553 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:59,554 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:01:59,554 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:59,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:59,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1502223497, now seen corresponding path program 1 times [2019-11-27 23:01:59,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:59,555 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436617501] [2019-11-27 23:01:59,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:01:59,791 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436617501] [2019-11-27 23:01:59,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:59,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 23:01:59,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821787807] [2019-11-27 23:01:59,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 23:01:59,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:59,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 23:01:59,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:01:59,794 INFO L87 Difference]: Start difference. First operand 1159 states and 1513 transitions. Second operand 5 states. [2019-11-27 23:02:01,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:02:01,932 INFO L93 Difference]: Finished difference Result 3060 states and 3942 transitions. [2019-11-27 23:02:01,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:02:01,934 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2019-11-27 23:02:01,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:02:01,947 INFO L225 Difference]: With dead ends: 3060 [2019-11-27 23:02:01,948 INFO L226 Difference]: Without dead ends: 1903 [2019-11-27 23:02:01,951 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:02:01,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1903 states. [2019-11-27 23:02:01,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1903 to 1527. [2019-11-27 23:02:01,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1527 states. [2019-11-27 23:02:02,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 1959 transitions. [2019-11-27 23:02:02,000 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 1959 transitions. Word has length 147 [2019-11-27 23:02:02,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:02:02,002 INFO L462 AbstractCegarLoop]: Abstraction has 1527 states and 1959 transitions. [2019-11-27 23:02:02,002 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 23:02:02,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1959 transitions. [2019-11-27 23:02:02,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-11-27 23:02:02,026 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:02:02,027 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:02:02,027 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:02:02,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:02:02,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1837425563, now seen corresponding path program 1 times [2019-11-27 23:02:02,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:02:02,029 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699432492] [2019-11-27 23:02:02,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:02:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:02:02,370 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:02:02,371 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699432492] [2019-11-27 23:02:02,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:02:02,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 23:02:02,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020478008] [2019-11-27 23:02:02,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:02:02,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:02:02,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:02:02,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:02:02,374 INFO L87 Difference]: Start difference. First operand 1527 states and 1959 transitions. Second operand 4 states. [2019-11-27 23:02:04,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:02:04,001 INFO L93 Difference]: Finished difference Result 4915 states and 6413 transitions. [2019-11-27 23:02:04,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:02:04,002 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 184 [2019-11-27 23:02:04,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:02:04,018 INFO L225 Difference]: With dead ends: 4915 [2019-11-27 23:02:04,019 INFO L226 Difference]: Without dead ends: 3205 [2019-11-27 23:02:04,023 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:02:04,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2019-11-27 23:02:04,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 2262. [2019-11-27 23:02:04,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2262 states. [2019-11-27 23:02:04,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 2847 transitions. [2019-11-27 23:02:04,079 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 2847 transitions. Word has length 184 [2019-11-27 23:02:04,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:02:04,080 INFO L462 AbstractCegarLoop]: Abstraction has 2262 states and 2847 transitions. [2019-11-27 23:02:04,080 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:02:04,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2847 transitions. [2019-11-27 23:02:04,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-11-27 23:02:04,084 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:02:04,084 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:02:04,085 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:02:04,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:02:04,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1228998181, now seen corresponding path program 1 times [2019-11-27 23:02:04,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:02:04,086 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512258830] [2019-11-27 23:02:04,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:02:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:02:04,206 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-11-27 23:02:04,207 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512258830] [2019-11-27 23:02:04,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:02:04,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:02:04,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095866739] [2019-11-27 23:02:04,208 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:02:04,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:02:04,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:02:04,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:02:04,209 INFO L87 Difference]: Start difference. First operand 2262 states and 2847 transitions. Second operand 4 states. [2019-11-27 23:02:05,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:02:05,990 INFO L93 Difference]: Finished difference Result 8219 states and 10419 transitions. [2019-11-27 23:02:05,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:02:05,991 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 201 [2019-11-27 23:02:05,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:02:06,016 INFO L225 Difference]: With dead ends: 8219 [2019-11-27 23:02:06,016 INFO L226 Difference]: Without dead ends: 5959 [2019-11-27 23:02:06,020 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:02:06,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5959 states. [2019-11-27 23:02:06,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5959 to 5574. [2019-11-27 23:02:06,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5574 states. [2019-11-27 23:02:06,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5574 states to 5574 states and 6820 transitions. [2019-11-27 23:02:06,132 INFO L78 Accepts]: Start accepts. Automaton has 5574 states and 6820 transitions. Word has length 201 [2019-11-27 23:02:06,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:02:06,132 INFO L462 AbstractCegarLoop]: Abstraction has 5574 states and 6820 transitions. [2019-11-27 23:02:06,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:02:06,132 INFO L276 IsEmpty]: Start isEmpty. Operand 5574 states and 6820 transitions. [2019-11-27 23:02:06,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-27 23:02:06,137 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:02:06,137 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:02:06,138 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:02:06,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:02:06,138 INFO L82 PathProgramCache]: Analyzing trace with hash 2070586135, now seen corresponding path program 1 times [2019-11-27 23:02:06,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:02:06,139 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922255631] [2019-11-27 23:02:06,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:02:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:02:06,312 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-11-27 23:02:06,313 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922255631] [2019-11-27 23:02:06,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:02:06,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:02:06,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536831023] [2019-11-27 23:02:06,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 23:02:06,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:02:06,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 23:02:06,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 23:02:06,316 INFO L87 Difference]: Start difference. First operand 5574 states and 6820 transitions. Second operand 3 states. [2019-11-27 23:02:07,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:02:07,396 INFO L93 Difference]: Finished difference Result 12803 states and 15759 transitions. [2019-11-27 23:02:07,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 23:02:07,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 245 [2019-11-27 23:02:07,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:02:07,426 INFO L225 Difference]: With dead ends: 12803 [2019-11-27 23:02:07,427 INFO L226 Difference]: Without dead ends: 7231 [2019-11-27 23:02:07,435 INFO L630 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 [2019-11-27 23:02:07,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7231 states. [2019-11-27 23:02:07,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7231 to 6493. [2019-11-27 23:02:07,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6493 states. [2019-11-27 23:02:07,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6493 states to 6493 states and 7766 transitions. [2019-11-27 23:02:07,549 INFO L78 Accepts]: Start accepts. Automaton has 6493 states and 7766 transitions. Word has length 245 [2019-11-27 23:02:07,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:02:07,550 INFO L462 AbstractCegarLoop]: Abstraction has 6493 states and 7766 transitions. [2019-11-27 23:02:07,550 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 23:02:07,550 INFO L276 IsEmpty]: Start isEmpty. Operand 6493 states and 7766 transitions. [2019-11-27 23:02:07,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-11-27 23:02:07,557 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:02:07,558 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:02:07,558 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:02:07,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:02:07,563 INFO L82 PathProgramCache]: Analyzing trace with hash -791289853, now seen corresponding path program 1 times [2019-11-27 23:02:07,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:02:07,564 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549565781] [2019-11-27 23:02:07,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:02:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:02:07,962 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:02:07,962 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549565781] [2019-11-27 23:02:07,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:02:07,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 23:02:07,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406760025] [2019-11-27 23:02:07,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 23:02:07,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:02:07,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 23:02:07,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:02:07,968 INFO L87 Difference]: Start difference. First operand 6493 states and 7766 transitions. Second operand 5 states. [2019-11-27 23:02:10,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:02:10,141 INFO L93 Difference]: Finished difference Result 19080 states and 22986 transitions. [2019-11-27 23:02:10,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:02:10,142 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 284 [2019-11-27 23:02:10,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:02:10,192 INFO L225 Difference]: With dead ends: 19080 [2019-11-27 23:02:10,192 INFO L226 Difference]: Without dead ends: 12589 [2019-11-27 23:02:10,204 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:02:10,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12589 states. [2019-11-27 23:02:10,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12589 to 9999. [2019-11-27 23:02:10,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9999 states. [2019-11-27 23:02:10,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9999 states to 9999 states and 11707 transitions. [2019-11-27 23:02:10,370 INFO L78 Accepts]: Start accepts. Automaton has 9999 states and 11707 transitions. Word has length 284 [2019-11-27 23:02:10,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:02:10,371 INFO L462 AbstractCegarLoop]: Abstraction has 9999 states and 11707 transitions. [2019-11-27 23:02:10,371 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 23:02:10,372 INFO L276 IsEmpty]: Start isEmpty. Operand 9999 states and 11707 transitions. [2019-11-27 23:02:10,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2019-11-27 23:02:10,386 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:02:10,387 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:02:10,387 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:02:10,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:02:10,388 INFO L82 PathProgramCache]: Analyzing trace with hash 969037119, now seen corresponding path program 1 times [2019-11-27 23:02:10,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:02:10,389 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583966895] [2019-11-27 23:02:10,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:02:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:02:10,686 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2019-11-27 23:02:10,687 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583966895] [2019-11-27 23:02:10,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:02:10,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 23:02:10,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92378431] [2019-11-27 23:02:10,688 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 23:02:10,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:02:10,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 23:02:10,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 23:02:10,689 INFO L87 Difference]: Start difference. First operand 9999 states and 11707 transitions. Second operand 3 states. [2019-11-27 23:02:11,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:02:11,756 INFO L93 Difference]: Finished difference Result 19070 states and 22419 transitions. [2019-11-27 23:02:11,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 23:02:11,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 349 [2019-11-27 23:02:11,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:02:11,777 INFO L225 Difference]: With dead ends: 19070 [2019-11-27 23:02:11,777 INFO L226 Difference]: Without dead ends: 9998 [2019-11-27 23:02:11,788 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 23:02:11,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9998 states. [2019-11-27 23:02:11,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9998 to 9076. [2019-11-27 23:02:11,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9076 states. [2019-11-27 23:02:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9076 states to 9076 states and 10258 transitions. [2019-11-27 23:02:11,919 INFO L78 Accepts]: Start accepts. Automaton has 9076 states and 10258 transitions. Word has length 349 [2019-11-27 23:02:11,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:02:11,920 INFO L462 AbstractCegarLoop]: Abstraction has 9076 states and 10258 transitions. [2019-11-27 23:02:11,920 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 23:02:11,920 INFO L276 IsEmpty]: Start isEmpty. Operand 9076 states and 10258 transitions. [2019-11-27 23:02:11,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2019-11-27 23:02:11,935 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:02:11,935 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:02:11,936 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:02:11,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:02:11,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1720739527, now seen corresponding path program 1 times [2019-11-27 23:02:11,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:02:11,937 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301562690] [2019-11-27 23:02:11,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:02:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:02:12,209 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2019-11-27 23:02:12,209 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301562690] [2019-11-27 23:02:12,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:02:12,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 23:02:12,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234939528] [2019-11-27 23:02:12,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:02:12,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:02:12,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:02:12,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:02:12,217 INFO L87 Difference]: Start difference. First operand 9076 states and 10258 transitions. Second operand 4 states. [2019-11-27 23:02:13,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:02:13,828 INFO L93 Difference]: Finished difference Result 22023 states and 24990 transitions. [2019-11-27 23:02:13,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:02:13,829 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 387 [2019-11-27 23:02:13,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:02:13,830 INFO L225 Difference]: With dead ends: 22023 [2019-11-27 23:02:13,831 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:02:13,845 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:02:13,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:02:13,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:02:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:02:13,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:02:13,847 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 387 [2019-11-27 23:02:13,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:02:13,847 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:02:13,847 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:02:13,848 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:02:13,848 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:02:13,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:02:14,082 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 112 [2019-11-27 23:02:14,243 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 112 [2019-11-27 23:02:14,599 WARN L192 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 34 [2019-11-27 23:02:14,978 WARN L192 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 34 [2019-11-27 23:02:14,983 INFO L246 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2019-11-27 23:02:14,983 INFO L246 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2019-11-27 23:02:14,983 INFO L246 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2019-11-27 23:02:14,983 INFO L249 CegarLoopResult]: At program point L1028(lines 1028 1044) the Hoare annotation is: true [2019-11-27 23:02:14,984 INFO L246 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,984 INFO L246 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,984 INFO L246 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,984 INFO L246 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,984 INFO L246 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,985 INFO L246 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,986 INFO L246 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,986 INFO L246 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2019-11-27 23:02:14,986 INFO L246 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2019-11-27 23:02:14,986 INFO L246 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2019-11-27 23:02:14,986 INFO L246 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,990 INFO L246 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,990 INFO L246 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,990 INFO L246 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,990 INFO L246 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,990 INFO L246 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,990 INFO L246 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,990 INFO L246 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,990 INFO L246 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,991 INFO L246 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2019-11-27 23:02:14,991 INFO L246 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2019-11-27 23:02:14,991 INFO L246 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2019-11-27 23:02:14,991 INFO L246 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,991 INFO L242 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse5 (= 1 ~a4~0)) (.cse6 (+ ~a23~0 43))) (let ((.cse3 (<= .cse6 0)) (.cse2 (not .cse5)) (.cse0 (not (= ~a25~0 11))) (.cse1 (<= ~a23~0 312)) (.cse4 (< 0 .cse6))) (or (= ~a25~0 12) (and .cse0 .cse1 .cse2) (and .cse2 .cse3) (and (= ~a25~0 10) .cse3) (and (<= ~a29~0 277) .cse2 (<= 312 ~a23~0)) (and .cse0 .cse4 .cse5) (and .cse1 .cse4 .cse5) (and (< 140 ~a29~0) .cse5)))) [2019-11-27 23:02:14,993 INFO L246 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,993 INFO L246 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,993 INFO L246 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,993 INFO L246 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,994 INFO L246 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,994 INFO L246 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,994 INFO L246 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,994 INFO L246 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,994 INFO L246 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2019-11-27 23:02:14,994 INFO L246 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2019-11-27 23:02:14,994 INFO L246 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2019-11-27 23:02:14,994 INFO L246 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2019-11-27 23:02:14,994 INFO L246 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2019-11-27 23:02:14,995 INFO L246 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2019-11-27 23:02:14,995 INFO L246 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2019-11-27 23:02:14,995 INFO L246 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,995 INFO L246 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,995 INFO L246 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,995 INFO L246 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,995 INFO L246 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,995 INFO L246 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,995 INFO L246 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,995 INFO L246 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,996 INFO L246 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,996 INFO L246 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,996 INFO L246 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2019-11-27 23:02:14,996 INFO L246 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2019-11-27 23:02:14,996 INFO L246 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2019-11-27 23:02:14,996 INFO L246 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2019-11-27 23:02:14,996 INFO L246 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,996 INFO L246 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,996 INFO L246 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,997 INFO L246 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,997 INFO L246 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,997 INFO L246 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2019-11-27 23:02:14,997 INFO L246 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2019-11-27 23:02:14,997 INFO L246 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2019-11-27 23:02:14,997 INFO L246 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,997 INFO L246 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,997 INFO L246 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,997 INFO L246 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,997 INFO L246 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2019-11-27 23:02:14,998 INFO L246 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2019-11-27 23:02:14,998 INFO L246 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,998 INFO L246 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,998 INFO L246 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,998 INFO L246 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,998 INFO L246 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,998 INFO L246 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,998 INFO L246 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2019-11-27 23:02:14,998 INFO L246 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2019-11-27 23:02:14,999 INFO L246 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,999 INFO L246 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,999 INFO L246 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2019-11-27 23:02:14,999 INFO L246 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2019-11-27 23:02:14,999 INFO L246 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2019-11-27 23:02:14,999 INFO L246 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2019-11-27 23:02:14,999 INFO L246 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,999 INFO L246 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,999 INFO L246 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:14,999 INFO L246 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,000 INFO L246 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,000 INFO L246 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,000 INFO L246 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2019-11-27 23:02:15,000 INFO L246 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2019-11-27 23:02:15,000 INFO L246 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2019-11-27 23:02:15,000 INFO L246 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2019-11-27 23:02:15,000 INFO L246 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2019-11-27 23:02:15,000 INFO L246 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2019-11-27 23:02:15,000 INFO L246 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2019-11-27 23:02:15,001 INFO L246 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,001 INFO L246 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,001 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:02:15,001 INFO L246 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2019-11-27 23:02:15,001 INFO L246 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2019-11-27 23:02:15,001 INFO L246 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,001 INFO L246 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,001 INFO L246 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,001 INFO L246 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,001 INFO L246 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,002 INFO L246 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2019-11-27 23:02:15,002 INFO L246 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2019-11-27 23:02:15,002 INFO L246 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2019-11-27 23:02:15,002 INFO L246 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,002 INFO L246 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,004 INFO L246 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,004 INFO L246 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,004 INFO L246 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,004 INFO L246 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,004 INFO L246 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2019-11-27 23:02:15,005 INFO L246 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2019-11-27 23:02:15,005 INFO L246 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2019-11-27 23:02:15,005 INFO L246 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,005 INFO L246 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,006 INFO L246 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,006 INFO L246 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,006 INFO L246 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,006 INFO L246 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,006 INFO L246 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,006 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:02:15,006 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2019-11-27 23:02:15,006 INFO L246 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,007 INFO L246 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2019-11-27 23:02:15,007 INFO L246 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2019-11-27 23:02:15,007 INFO L246 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2019-11-27 23:02:15,007 INFO L246 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,007 INFO L246 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,007 INFO L246 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,007 INFO L246 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,007 INFO L246 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,007 INFO L246 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,007 INFO L246 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,008 INFO L246 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,008 INFO L246 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,008 INFO L246 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,008 INFO L246 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,008 INFO L246 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2019-11-27 23:02:15,008 INFO L246 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2019-11-27 23:02:15,008 INFO L246 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2019-11-27 23:02:15,008 INFO L246 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2019-11-27 23:02:15,008 INFO L246 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2019-11-27 23:02:15,008 INFO L246 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,009 INFO L246 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,009 INFO L246 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,009 INFO L246 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,009 INFO L246 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,009 INFO L246 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,009 INFO L246 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,009 INFO L246 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2019-11-27 23:02:15,009 INFO L246 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2019-11-27 23:02:15,009 INFO L246 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2019-11-27 23:02:15,010 INFO L246 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,010 INFO L246 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,010 INFO L246 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,010 INFO L246 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2019-11-27 23:02:15,010 INFO L246 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2019-11-27 23:02:15,010 INFO L246 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,010 INFO L246 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,010 INFO L246 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,010 INFO L246 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,010 INFO L246 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,011 INFO L246 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2019-11-27 23:02:15,011 INFO L246 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2019-11-27 23:02:15,011 INFO L246 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,011 INFO L246 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,011 INFO L246 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2019-11-27 23:02:15,011 INFO L246 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2019-11-27 23:02:15,011 INFO L246 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,011 INFO L246 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,011 INFO L246 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,012 INFO L246 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,012 INFO L246 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,012 INFO L246 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,012 INFO L246 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2019-11-27 23:02:15,012 INFO L246 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2019-11-27 23:02:15,012 INFO L246 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2019-11-27 23:02:15,012 INFO L246 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2019-11-27 23:02:15,012 INFO L246 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,012 INFO L246 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,012 INFO L246 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,013 INFO L246 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,013 INFO L246 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,013 INFO L246 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,013 INFO L246 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,013 INFO L246 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,013 INFO L246 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2019-11-27 23:02:15,013 INFO L246 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2019-11-27 23:02:15,013 INFO L246 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2019-11-27 23:02:15,013 INFO L246 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2019-11-27 23:02:15,013 INFO L246 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2019-11-27 23:02:15,014 INFO L246 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2019-11-27 23:02:15,014 INFO L246 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,014 INFO L246 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,014 INFO L246 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,014 INFO L246 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,014 INFO L246 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,014 INFO L246 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,014 INFO L246 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,015 INFO L246 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2019-11-27 23:02:15,015 INFO L246 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2019-11-27 23:02:15,015 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:02:15,015 INFO L246 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,015 INFO L246 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,015 INFO L246 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,015 INFO L246 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,015 INFO L246 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,016 INFO L246 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,016 INFO L246 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2019-11-27 23:02:15,016 INFO L246 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2019-11-27 23:02:15,016 INFO L246 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,016 INFO L246 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,016 INFO L246 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,016 INFO L246 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,016 INFO L246 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,016 INFO L246 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,017 INFO L246 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,017 INFO L246 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2019-11-27 23:02:15,017 INFO L246 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,017 INFO L246 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,017 INFO L246 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,017 INFO L246 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2019-11-27 23:02:15,017 INFO L246 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2019-11-27 23:02:15,017 INFO L246 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2019-11-27 23:02:15,017 INFO L246 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,018 INFO L246 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2019-11-27 23:02:15,018 INFO L246 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,018 INFO L246 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2019-11-27 23:02:15,018 INFO L246 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,018 INFO L246 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,018 INFO L246 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,018 INFO L246 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,018 INFO L246 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,018 INFO L246 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,018 INFO L246 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2019-11-27 23:02:15,019 INFO L246 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2019-11-27 23:02:15,019 INFO L246 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2019-11-27 23:02:15,019 INFO L246 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,020 INFO L246 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,022 INFO L246 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,022 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:02:15,022 INFO L246 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,022 INFO L246 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,022 INFO L246 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,023 INFO L246 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,024 INFO L246 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,024 INFO L246 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,024 INFO L246 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,026 INFO L246 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2019-11-27 23:02:15,026 INFO L246 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2019-11-27 23:02:15,026 INFO L246 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2019-11-27 23:02:15,026 INFO L246 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,026 INFO L246 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2019-11-27 23:02:15,026 INFO L246 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2019-11-27 23:02:15,026 INFO L246 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,026 INFO L246 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,027 INFO L246 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,027 INFO L246 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,028 INFO L246 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,029 INFO L246 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,029 INFO L246 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2019-11-27 23:02:15,029 INFO L246 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2019-11-27 23:02:15,029 INFO L246 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2019-11-27 23:02:15,029 INFO L246 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,029 INFO L246 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,030 INFO L246 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,032 INFO L242 CegarLoopResult]: At program point L1025(lines 22 1026) the Hoare annotation is: (let ((.cse5 (= 1 ~a4~0)) (.cse6 (+ ~a23~0 43))) (let ((.cse3 (<= .cse6 0)) (.cse2 (not .cse5)) (.cse0 (not (= ~a25~0 11))) (.cse1 (<= ~a23~0 312)) (.cse4 (< 0 .cse6))) (or (= ~a25~0 12) (and .cse0 .cse1 .cse2) (and .cse2 .cse3) (and (= ~a25~0 10) .cse3) (and (<= ~a29~0 277) .cse2 (<= 312 ~a23~0)) (and .cse0 .cse4 .cse5) (and .cse1 .cse4 .cse5) (and (< 140 ~a29~0) .cse5)))) [2019-11-27 23:02:15,032 INFO L246 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,032 INFO L246 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2019-11-27 23:02:15,032 INFO L246 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2019-11-27 23:02:15,032 INFO L246 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,032 INFO L246 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,033 INFO L246 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2019-11-27 23:02:15,033 INFO L246 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,033 INFO L246 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,033 INFO L246 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:02:15,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:02:15 BoogieIcfgContainer [2019-11-27 23:02:15,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:02:15,060 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:02:15,060 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:02:15,060 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:02:15,061 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:01:54" (3/4) ... [2019-11-27 23:02:15,065 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:02:15,091 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-27 23:02:15,093 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 23:02:15,370 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:02:15,371 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:02:15,372 INFO L168 Benchmark]: Toolchain (without parser) took 24314.67 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 693.6 MB). Free memory was 949.6 MB in the beginning and 1.7 GB in the end (delta: -712.7 MB). Peak memory consumption was 824.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:02:15,373 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:02:15,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 936.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -147.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:02:15,374 INFO L168 Benchmark]: Boogie Procedure Inliner took 205.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:02:15,374 INFO L168 Benchmark]: Boogie Preprocessor took 180.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:02:15,374 INFO L168 Benchmark]: RCFGBuilder took 2028.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 897.9 MB in the end (delta: 172.4 MB). Peak memory consumption was 172.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:02:15,375 INFO L168 Benchmark]: TraceAbstraction took 20643.37 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 539.0 MB). Free memory was 897.9 MB in the beginning and 840.2 MB in the end (delta: 57.7 MB). Peak memory consumption was 596.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:02:15,375 INFO L168 Benchmark]: Witness Printer took 311.12 ms. Allocated memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 4.7 MB). Free memory was 840.2 MB in the beginning and 1.7 GB in the end (delta: -822.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:02:15,377 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 936.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -147.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 205.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 180.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2028.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 897.9 MB in the end (delta: 172.4 MB). Peak memory consumption was 172.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20643.37 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 539.0 MB). Free memory was 897.9 MB in the beginning and 840.2 MB in the end (delta: 57.7 MB). Peak memory consumption was 596.6 MB. Max. memory is 11.5 GB. * Witness Printer took 311.12 ms. Allocated memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 4.7 MB). Free memory was 840.2 MB in the beginning and 1.7 GB in the end (delta: -822.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: 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: 1028]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: ((((((a25 == 12 || ((!(a25 == 11) && a23 <= 312) && !(1 == a4))) || (!(1 == a4) && a23 + 43 <= 0)) || (a25 == 10 && a23 + 43 <= 0)) || ((a29 <= 277 && !(1 == a4)) && 312 <= a23)) || ((!(a25 == 11) && 0 < a23 + 43) && 1 == a4)) || ((a23 <= 312 && 0 < a23 + 43) && 1 == a4)) || (140 < a29 && 1 == a4) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((((a25 == 12 || ((!(a25 == 11) && a23 <= 312) && !(1 == a4))) || (!(1 == a4) && a23 + 43 <= 0)) || (a25 == 10 && a23 + 43 <= 0)) || ((a29 <= 277 && !(1 == a4)) && 312 <= a23)) || ((!(a25 == 11) && 0 < a23 + 43) && 1 == a4)) || ((a23 <= 312 && 0 < a23 + 43) && 1 == a4)) || (140 < a29 && 1 == a4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Result: SAFE, OverallTime: 19.3s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 15.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, HoareTripleCheckerStatistics: 1262 SDtfs, 3305 SDslu, 393 SDs, 0 SdLazy, 8898 SolverSat, 1748 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9999occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 6520 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 162 NumberOfFragments, 157 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4872 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2350 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1987 NumberOfCodeBlocks, 1987 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1978 ConstructedInterpolants, 0 QuantifiedInterpolants, 1195887 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 1617/1617 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...