./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label25.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c 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/Problem10_label25.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 23f7450b399d10b1ac0a8f247ff41c3f7806d83a ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 16:05:30,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:05:30,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:05:31,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:05:31,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:05:31,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:05:31,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:05:31,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:05:31,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:05:31,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:05:31,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:05:31,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:05:31,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:05:31,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:05:31,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:05:31,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:05:31,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:05:31,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:05:31,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:05:31,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:05:31,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:05:31,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:05:31,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:05:31,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:05:31,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:05:31,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:05:31,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:05:31,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:05:31,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:05:31,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:05:31,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:05:31,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:05:31,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:05:31,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:05:31,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:05:31,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:05:31,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:05:31,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:05:31,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:05:31,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:05:31,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:05:31,041 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:05:31,058 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:05:31,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:05:31,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:05:31,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:05:31,063 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:05:31,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:05:31,063 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:05:31,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:05:31,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:05:31,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:05:31,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:05:31,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:05:31,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:05:31,067 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:05:31,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:05:31,067 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:05:31,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:05:31,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:05:31,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:05:31,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:05:31,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:05:31,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:05:31,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:05:31,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:05:31,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:05:31,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:05:31,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:05:31,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:05:31,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:05:31,071 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 -> 23f7450b399d10b1ac0a8f247ff41c3f7806d83a [2019-11-28 16:05:31,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:05:31,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:05:31,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:05:31,472 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:05:31,473 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:05:31,474 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label25.c [2019-11-28 16:05:31,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42bef320e/f97eb7e2838c4935833bd788a4229afe/FLAGbf95c9e5b [2019-11-28 16:05:32,138 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:05:32,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label25.c [2019-11-28 16:05:32,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42bef320e/f97eb7e2838c4935833bd788a4229afe/FLAGbf95c9e5b [2019-11-28 16:05:32,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42bef320e/f97eb7e2838c4935833bd788a4229afe [2019-11-28 16:05:32,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:05:32,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:05:32,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:05:32,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:05:32,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:05:32,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:05:32" (1/1) ... [2019-11-28 16:05:32,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33519a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:32, skipping insertion in model container [2019-11-28 16:05:32,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:05:32" (1/1) ... [2019-11-28 16:05:32,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:05:32,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:05:32,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:05:32,984 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:05:33,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:05:33,131 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:05:33,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:33 WrapperNode [2019-11-28 16:05:33,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:05:33,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:05:33,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:05:33,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:05:33,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:33" (1/1) ... [2019-11-28 16:05:33,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:33" (1/1) ... [2019-11-28 16:05:33,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:05:33,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:05:33,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:05:33,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:05:33,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:33" (1/1) ... [2019-11-28 16:05:33,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:33" (1/1) ... [2019-11-28 16:05:33,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:33" (1/1) ... [2019-11-28 16:05:33,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:33" (1/1) ... [2019-11-28 16:05:33,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:33" (1/1) ... [2019-11-28 16:05:33,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:33" (1/1) ... [2019-11-28 16:05:33,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:33" (1/1) ... [2019-11-28 16:05:33,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:05:33,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:05:33,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:05:33,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:05:33,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:33" (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 [2019-11-28 16:05:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:05:33,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:05:34,738 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:05:34,739 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 16:05:34,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:05:34 BoogieIcfgContainer [2019-11-28 16:05:34,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:05:34,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:05:34,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:05:34,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:05:34,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:05:32" (1/3) ... [2019-11-28 16:05:34,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@776310eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:05:34, skipping insertion in model container [2019-11-28 16:05:34,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:33" (2/3) ... [2019-11-28 16:05:34,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@776310eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:05:34, skipping insertion in model container [2019-11-28 16:05:34,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:05:34" (3/3) ... [2019-11-28 16:05:34,757 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label25.c [2019-11-28 16:05:34,769 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:05:34,780 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:05:34,794 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:05:34,836 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:05:34,837 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:05:34,837 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:05:34,837 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:05:34,838 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:05:34,839 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:05:34,839 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:05:34,839 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:05:34,869 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-28 16:05:34,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-28 16:05:34,884 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:05:34,885 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:05:34,886 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:05:34,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:05:34,893 INFO L82 PathProgramCache]: Analyzing trace with hash -107486446, now seen corresponding path program 1 times [2019-11-28 16:05:34,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:05:34,903 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190685679] [2019-11-28 16:05:34,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:05:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:35,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:05:35,549 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190685679] [2019-11-28 16:05:35,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:05:35,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 16:05:35,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5315864] [2019-11-28 16:05:35,561 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 16:05:35,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:05:35,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 16:05:35,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-28 16:05:35,585 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 7 states. [2019-11-28 16:05:38,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:05:38,460 INFO L93 Difference]: Finished difference Result 982 states and 1810 transitions. [2019-11-28 16:05:38,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 16:05:38,463 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-11-28 16:05:38,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:05:38,484 INFO L225 Difference]: With dead ends: 982 [2019-11-28 16:05:38,484 INFO L226 Difference]: Without dead ends: 699 [2019-11-28 16:05:38,489 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2019-11-28 16:05:38,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2019-11-28 16:05:38,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 421. [2019-11-28 16:05:38,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-11-28 16:05:38,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions. [2019-11-28 16:05:38,566 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 64 [2019-11-28 16:05:38,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:05:38,567 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 581 transitions. [2019-11-28 16:05:38,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 16:05:38,567 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions. [2019-11-28 16:05:38,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-28 16:05:38,575 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:05:38,576 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, 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] [2019-11-28 16:05:38,576 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:05:38,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:05:38,576 INFO L82 PathProgramCache]: Analyzing trace with hash 993821404, now seen corresponding path program 1 times [2019-11-28 16:05:38,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:05:38,577 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487354974] [2019-11-28 16:05:38,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:05:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:38,811 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:05:38,812 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487354974] [2019-11-28 16:05:38,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:05:38,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 16:05:38,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193721482] [2019-11-28 16:05:38,816 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 16:05:38,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:05:38,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 16:05:38,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:05:38,818 INFO L87 Difference]: Start difference. First operand 421 states and 581 transitions. Second operand 4 states. [2019-11-28 16:05:39,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:05:39,879 INFO L93 Difference]: Finished difference Result 1257 states and 1737 transitions. [2019-11-28 16:05:39,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:05:39,884 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 182 [2019-11-28 16:05:39,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:05:39,889 INFO L225 Difference]: With dead ends: 1257 [2019-11-28 16:05:39,889 INFO L226 Difference]: Without dead ends: 838 [2019-11-28 16:05:39,893 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 [2019-11-28 16:05:39,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2019-11-28 16:05:39,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2019-11-28 16:05:39,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-11-28 16:05:39,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 889 transitions. [2019-11-28 16:05:39,944 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 889 transitions. Word has length 182 [2019-11-28 16:05:39,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:05:39,945 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 889 transitions. [2019-11-28 16:05:39,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 16:05:39,946 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions. [2019-11-28 16:05:39,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-11-28 16:05:39,951 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:05:39,951 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:05:39,952 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:05:39,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:05:39,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1850496052, now seen corresponding path program 1 times [2019-11-28 16:05:39,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:05:39,953 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306396339] [2019-11-28 16:05:39,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:05:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:40,214 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:05:40,216 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306396339] [2019-11-28 16:05:40,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:05:40,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 16:05:40,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737494977] [2019-11-28 16:05:40,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 16:05:40,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:05:40,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 16:05:40,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:05:40,223 INFO L87 Difference]: Start difference. First operand 699 states and 889 transitions. Second operand 4 states. [2019-11-28 16:05:41,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:05:41,254 INFO L93 Difference]: Finished difference Result 1674 states and 2200 transitions. [2019-11-28 16:05:41,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:05:41,255 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 208 [2019-11-28 16:05:41,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:05:41,261 INFO L225 Difference]: With dead ends: 1674 [2019-11-28 16:05:41,261 INFO L226 Difference]: Without dead ends: 1116 [2019-11-28 16:05:41,263 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:05:41,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2019-11-28 16:05:41,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2019-11-28 16:05:41,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-11-28 16:05:41,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1197 transitions. [2019-11-28 16:05:41,290 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1197 transitions. Word has length 208 [2019-11-28 16:05:41,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:05:41,291 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1197 transitions. [2019-11-28 16:05:41,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 16:05:41,291 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1197 transitions. [2019-11-28 16:05:41,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-11-28 16:05:41,299 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:05:41,299 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, 4, 4, 4, 4, 4, 4, 4, 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] [2019-11-28 16:05:41,300 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:05:41,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:05:41,300 INFO L82 PathProgramCache]: Analyzing trace with hash -537096852, now seen corresponding path program 1 times [2019-11-28 16:05:41,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:05:41,301 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949804446] [2019-11-28 16:05:41,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:05:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:41,628 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-11-28 16:05:41,629 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949804446] [2019-11-28 16:05:41,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:05:41,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 16:05:41,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668216168] [2019-11-28 16:05:41,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 16:05:41,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:05:41,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 16:05:41,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 16:05:41,633 INFO L87 Difference]: Start difference. First operand 977 states and 1197 transitions. Second operand 3 states. [2019-11-28 16:05:42,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:05:42,214 INFO L93 Difference]: Finished difference Result 2230 states and 2765 transitions. [2019-11-28 16:05:42,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 16:05:42,215 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 300 [2019-11-28 16:05:42,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:05:42,220 INFO L225 Difference]: With dead ends: 2230 [2019-11-28 16:05:42,220 INFO L226 Difference]: Without dead ends: 977 [2019-11-28 16:05:42,222 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 16:05:42,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2019-11-28 16:05:42,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2019-11-28 16:05:42,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-11-28 16:05:42,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1170 transitions. [2019-11-28 16:05:42,244 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1170 transitions. Word has length 300 [2019-11-28 16:05:42,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:05:42,245 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1170 transitions. [2019-11-28 16:05:42,245 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 16:05:42,245 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1170 transitions. [2019-11-28 16:05:42,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-11-28 16:05:42,250 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:05:42,251 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, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-28 16:05:42,251 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:05:42,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:05:42,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1075041914, now seen corresponding path program 1 times [2019-11-28 16:05:42,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:05:42,253 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185963473] [2019-11-28 16:05:42,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:05:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:42,710 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 66 proven. 356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:05:42,711 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185963473] [2019-11-28 16:05:42,711 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409307520] [2019-11-28 16:05:42,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 16:05:42,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:42,889 INFO L264 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-28 16:05:42,929 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:05:43,033 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,034 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,035 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,036 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,037 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,039 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,046 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,047 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,051 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,052 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,054 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,057 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,058 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,063 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,064 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,065 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,069 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,072 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,075 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,076 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,078 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,079 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,080 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,082 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,084 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:43,502 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:44,189 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 296 proven. 64 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-11-28 16:05:44,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 16:05:44,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2019-11-28 16:05:44,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751883109] [2019-11-28 16:05:44,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-28 16:05:44,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:05:44,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-28 16:05:44,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2019-11-28 16:05:44,193 INFO L87 Difference]: Start difference. First operand 977 states and 1170 transitions. Second operand 14 states. [2019-11-28 16:05:52,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:05:52,172 INFO L93 Difference]: Finished difference Result 5087 states and 6367 transitions. [2019-11-28 16:05:52,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-11-28 16:05:52,173 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 336 [2019-11-28 16:05:52,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:05:52,194 INFO L225 Difference]: With dead ends: 5087 [2019-11-28 16:05:52,194 INFO L226 Difference]: Without dead ends: 4251 [2019-11-28 16:05:52,196 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=268, Invalid=1214, Unknown=0, NotChecked=0, Total=1482 [2019-11-28 16:05:52,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4251 states. [2019-11-28 16:05:52,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4251 to 3757. [2019-11-28 16:05:52,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3757 states. [2019-11-28 16:05:52,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3757 states to 3757 states and 4274 transitions. [2019-11-28 16:05:52,280 INFO L78 Accepts]: Start accepts. Automaton has 3757 states and 4274 transitions. Word has length 336 [2019-11-28 16:05:52,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:05:52,280 INFO L462 AbstractCegarLoop]: Abstraction has 3757 states and 4274 transitions. [2019-11-28 16:05:52,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-28 16:05:52,281 INFO L276 IsEmpty]: Start isEmpty. Operand 3757 states and 4274 transitions. [2019-11-28 16:05:52,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2019-11-28 16:05:52,293 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:05:52,293 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, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:05:52,497 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 16:05:52,497 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:05:52,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:05:52,500 INFO L82 PathProgramCache]: Analyzing trace with hash 354597640, now seen corresponding path program 1 times [2019-11-28 16:05:52,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:05:52,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712177300] [2019-11-28 16:05:52,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:05:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-11-28 16:05:52,780 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712177300] [2019-11-28 16:05:52,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:05:52,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 16:05:52,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267664724] [2019-11-28 16:05:52,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 16:05:52,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:05:52,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 16:05:52,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:05:52,794 INFO L87 Difference]: Start difference. First operand 3757 states and 4274 transitions. Second operand 4 states. [2019-11-28 16:05:53,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:05:53,772 INFO L93 Difference]: Finished difference Result 8344 states and 9474 transitions. [2019-11-28 16:05:53,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:05:53,772 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 392 [2019-11-28 16:05:53,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:05:53,774 INFO L225 Difference]: With dead ends: 8344 [2019-11-28 16:05:53,774 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 16:05:53,783 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 [2019-11-28 16:05:53,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 16:05:53,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 16:05:53,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 16:05:53,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 16:05:53,784 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 392 [2019-11-28 16:05:53,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:05:53,785 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 16:05:53,785 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 16:05:53,786 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 16:05:53,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 16:05:53,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 16:05:53,927 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 85 [2019-11-28 16:05:54,264 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2019-11-28 16:05:54,543 WARN L192 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2019-11-28 16:05:54,548 INFO L246 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-28 16:05:54,548 INFO L246 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,549 INFO L246 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,549 INFO L246 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,549 INFO L246 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,549 INFO L246 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,549 INFO L246 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,550 INFO L246 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-28 16:05:54,550 INFO L246 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-28 16:05:54,550 INFO L246 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-28 16:05:54,550 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-28 16:05:54,550 INFO L246 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-28 16:05:54,550 INFO L246 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-28 16:05:54,551 INFO L246 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-28 16:05:54,552 INFO L246 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-28 16:05:54,552 INFO L246 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-28 16:05:54,552 INFO L246 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-28 16:05:54,552 INFO L246 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-28 16:05:54,552 INFO L246 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,553 INFO L246 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,553 INFO L246 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,553 INFO L246 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,553 INFO L246 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,554 INFO L246 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-28 16:05:54,554 INFO L246 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-28 16:05:54,554 INFO L246 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-28 16:05:54,554 INFO L246 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-28 16:05:54,555 INFO L246 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-28 16:05:54,555 INFO L246 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-28 16:05:54,555 INFO L246 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-28 16:05:54,555 INFO L246 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-28 16:05:54,555 INFO L246 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-28 16:05:54,556 INFO L246 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-28 16:05:54,556 INFO L246 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-28 16:05:54,556 INFO L246 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-28 16:05:54,556 INFO L246 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-28 16:05:54,557 INFO L246 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-28 16:05:54,557 INFO L246 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,557 INFO L246 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,557 INFO L246 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,557 INFO L246 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,558 INFO L246 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,558 INFO L246 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-28 16:05:54,558 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-28 16:05:54,558 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-28 16:05:54,558 INFO L246 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-28 16:05:54,559 INFO L246 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-28 16:05:54,559 INFO L246 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-28 16:05:54,559 INFO L242 CegarLoopResult]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7))) (.cse1 (= ~a10~0 1))) (or (and .cse0 (not (= ~a19~0 10))) (and .cse0 (not (= ~a10~0 4))) (and (<= 221 ~a1~0) .cse1) (and (<= ~a1~0 38) .cse1 (< 0 (+ ~a1~0 13))) (and (<= ~a1~0 218) (= ~a10~0 2)))) [2019-11-28 16:05:54,560 INFO L246 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-28 16:05:54,560 INFO L246 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-28 16:05:54,560 INFO L246 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-28 16:05:54,560 INFO L246 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-28 16:05:54,561 INFO L246 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,561 INFO L246 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,561 INFO L246 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,561 INFO L246 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,561 INFO L246 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,562 INFO L246 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-28 16:05:54,562 INFO L246 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-28 16:05:54,562 INFO L246 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-28 16:05:54,562 INFO L246 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-28 16:05:54,563 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-28 16:05:54,563 INFO L246 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-28 16:05:54,563 INFO L246 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-28 16:05:54,563 INFO L246 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-28 16:05:54,563 INFO L246 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-28 16:05:54,564 INFO L246 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-28 16:05:54,564 INFO L249 CegarLoopResult]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-28 16:05:54,564 INFO L246 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-28 16:05:54,564 INFO L246 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-28 16:05:54,565 INFO L246 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-28 16:05:54,565 INFO L246 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,565 INFO L246 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,565 INFO L246 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,565 INFO L246 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,566 INFO L246 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,566 INFO L246 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-28 16:05:54,566 INFO L246 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-28 16:05:54,566 INFO L246 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-28 16:05:54,567 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-28 16:05:54,567 INFO L246 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-28 16:05:54,567 INFO L246 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-28 16:05:54,567 INFO L246 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-28 16:05:54,567 INFO L246 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-28 16:05:54,568 INFO L246 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-28 16:05:54,568 INFO L246 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,568 INFO L246 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,568 INFO L246 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,569 INFO L246 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,569 INFO L246 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,569 INFO L246 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-28 16:05:54,569 INFO L246 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-28 16:05:54,570 INFO L246 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-28 16:05:54,570 INFO L246 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-28 16:05:54,570 INFO L246 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-28 16:05:54,570 INFO L246 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-28 16:05:54,570 INFO L246 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-28 16:05:54,571 INFO L246 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-28 16:05:54,571 INFO L246 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-28 16:05:54,571 INFO L246 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-28 16:05:54,571 INFO L246 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-28 16:05:54,572 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 16:05:54,572 INFO L246 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-28 16:05:54,572 INFO L242 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7))) (.cse1 (= ~a10~0 1))) (or (and .cse0 (not (= ~a19~0 10))) (and .cse0 (not (= ~a10~0 4))) (and (<= 221 ~a1~0) .cse1) (and (<= ~a1~0 38) .cse1 (< 0 (+ ~a1~0 13))) (and (<= ~a1~0 218) (= ~a10~0 2)))) [2019-11-28 16:05:54,573 INFO L246 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-28 16:05:54,573 INFO L246 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,573 INFO L246 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,573 INFO L246 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,573 INFO L246 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,574 INFO L246 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-28 16:05:54,574 INFO L246 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,574 INFO L246 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,574 INFO L246 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-28 16:05:54,575 INFO L246 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-28 16:05:54,575 INFO L246 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-28 16:05:54,575 INFO L246 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-28 16:05:54,575 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-28 16:05:54,576 INFO L246 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-28 16:05:54,576 INFO L246 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-28 16:05:54,576 INFO L246 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-28 16:05:54,576 INFO L246 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-28 16:05:54,576 INFO L246 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-28 16:05:54,577 INFO L246 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-28 16:05:54,577 INFO L246 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-28 16:05:54,577 INFO L246 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-28 16:05:54,577 INFO L246 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,577 INFO L246 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,578 INFO L246 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,578 INFO L246 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,578 INFO L246 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,578 INFO L246 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,579 INFO L246 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-28 16:05:54,579 INFO L246 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-28 16:05:54,579 INFO L246 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-28 16:05:54,579 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 16:05:54,579 INFO L246 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-28 16:05:54,580 INFO L246 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-28 16:05:54,580 INFO L246 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-28 16:05:54,580 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-28 16:05:54,580 INFO L246 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-28 16:05:54,580 INFO L246 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-28 16:05:54,581 INFO L246 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-28 16:05:54,581 INFO L246 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-28 16:05:54,581 INFO L246 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-28 16:05:54,581 INFO L246 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-28 16:05:54,581 INFO L246 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-28 16:05:54,582 INFO L246 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-28 16:05:54,582 INFO L246 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,582 INFO L246 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,582 INFO L246 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,583 INFO L246 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,583 INFO L246 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,583 INFO L246 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,583 INFO L246 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-28 16:05:54,583 INFO L246 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-28 16:05:54,584 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-28 16:05:54,584 INFO L246 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-28 16:05:54,584 INFO L246 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-28 16:05:54,584 INFO L246 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-28 16:05:54,584 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 16:05:54,585 INFO L246 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-28 16:05:54,585 INFO L246 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-28 16:05:54,585 INFO L246 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-28 16:05:54,585 INFO L246 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-28 16:05:54,586 INFO L246 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-28 16:05:54,586 INFO L246 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-28 16:05:54,586 INFO L246 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-28 16:05:54,586 INFO L246 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,586 INFO L246 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,587 INFO L246 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,587 INFO L246 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,587 INFO L246 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,587 INFO L246 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,588 INFO L246 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-28 16:05:54,588 INFO L246 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-28 16:05:54,588 INFO L246 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-28 16:05:54,588 INFO L246 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-28 16:05:54,588 INFO L246 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-28 16:05:54,589 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-28 16:05:54,589 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-28 16:05:54,589 INFO L246 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-28 16:05:54,589 INFO L246 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-28 16:05:54,590 INFO L246 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-28 16:05:54,590 INFO L246 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-28 16:05:54,590 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 16:05:54,591 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 196) no Hoare annotation was computed. [2019-11-28 16:05:54,591 INFO L246 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-28 16:05:54,591 INFO L246 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,591 INFO L246 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,591 INFO L246 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,592 INFO L246 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,592 INFO L246 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,592 INFO L246 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:54,592 INFO L246 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-28 16:05:54,593 INFO L246 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-28 16:05:54,593 INFO L246 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-28 16:05:54,593 INFO L246 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-28 16:05:54,593 INFO L246 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-28 16:05:54,593 INFO L246 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-28 16:05:54,594 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-28 16:05:54,594 INFO L246 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-28 16:05:54,594 INFO L246 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-28 16:05:54,594 INFO L246 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-28 16:05:54,595 INFO L246 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-28 16:05:54,595 INFO L246 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-28 16:05:54,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:05:54 BoogieIcfgContainer [2019-11-28 16:05:54,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:05:54,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:05:54,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:05:54,619 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:05:54,619 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:05:34" (3/4) ... [2019-11-28 16:05:54,624 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 16:05:54,649 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 16:05:54,650 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 16:05:54,884 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:05:54,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:05:54,886 INFO L168 Benchmark]: Toolchain (without parser) took 22439.62 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 569.4 MB). Free memory was 956.3 MB in the beginning and 858.5 MB in the end (delta: 97.8 MB). Peak memory consumption was 667.2 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:54,887 INFO L168 Benchmark]: CDTParser took 0.98 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:05:54,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:54,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.79 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:54,888 INFO L168 Benchmark]: Boogie Preprocessor took 101.22 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:54,889 INFO L168 Benchmark]: RCFGBuilder took 1390.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.9 MB in the end (delta: 112.3 MB). Peak memory consumption was 112.3 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:54,889 INFO L168 Benchmark]: TraceAbstraction took 19871.92 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 436.7 MB). Free memory was 980.9 MB in the beginning and 873.5 MB in the end (delta: 107.4 MB). Peak memory consumption was 544.1 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:54,890 INFO L168 Benchmark]: Witness Printer took 266.17 ms. Allocated memory is still 1.6 GB. Free memory was 873.5 MB in the beginning and 858.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:54,893 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 684.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 115.79 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 101.22 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1390.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.9 MB in the end (delta: 112.3 MB). Peak memory consumption was 112.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19871.92 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 436.7 MB). Free memory was 980.9 MB in the beginning and 873.5 MB in the end (delta: 107.4 MB). Peak memory consumption was 544.1 MB. Max. memory is 11.5 GB. * Witness Printer took 266.17 ms. Allocated memory is still 1.6 GB. Free memory was 873.5 MB in the beginning and 858.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 196]: 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: 582]: Loop Invariant Derived loop invariant: ((((!(a19 == 7) && !(a19 == 10)) || (!(a19 == 7) && !(a10 == 4))) || (221 <= a1 && a10 == 1)) || ((a1 <= 38 && a10 == 1) && 0 < a1 + 13)) || (a1 <= 218 && a10 == 2) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((!(a19 == 7) && !(a19 == 10)) || (!(a19 == 7) && !(a10 == 4))) || (221 <= a1 && a10 == 1)) || ((a1 <= 38 && a10 == 1) && 0 < a1 + 13)) || (a1 <= 218 && a10 == 2) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 18.9s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 547 SDtfs, 4459 SDslu, 226 SDs, 0 SdLazy, 10853 SolverSat, 1789 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 399 GetRequests, 340 SyntacticMatches, 7 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3757occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 1050 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 82 NumberOfFragments, 91 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2819 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2724 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1818 NumberOfCodeBlocks, 1818 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1811 ConstructedInterpolants, 81 QuantifiedInterpolants, 2744451 SizeOfPredicates, 6 NumberOfNonLiveVariables, 452 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 1539/1959 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...