./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 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/Problem02_label04.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 fbfe8dec550fadf4da01fadd46005a09263b3b04 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 20:52:59,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 20:52:59,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 20:52:59,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 20:52:59,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 20:52:59,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 20:52:59,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 20:52:59,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 20:52:59,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 20:52:59,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 20:52:59,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 20:52:59,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 20:52:59,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 20:52:59,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 20:52:59,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 20:52:59,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 20:52:59,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 20:52:59,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 20:52:59,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 20:52:59,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 20:52:59,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 20:52:59,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 20:52:59,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 20:52:59,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 20:52:59,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 20:52:59,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 20:52:59,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 20:52:59,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 20:52:59,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 20:52:59,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 20:52:59,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 20:52:59,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 20:52:59,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 20:52:59,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 20:52:59,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 20:52:59,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 20:52:59,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 20:52:59,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 20:52:59,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 20:52:59,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 20:52:59,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 20:52:59,832 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 20:52:59,847 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 20:52:59,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 20:52:59,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 20:52:59,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 20:52:59,849 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 20:52:59,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 20:52:59,850 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 20:52:59,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 20:52:59,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 20:52:59,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 20:52:59,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 20:52:59,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 20:52:59,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 20:52:59,852 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 20:52:59,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 20:52:59,852 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 20:52:59,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 20:52:59,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 20:52:59,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 20:52:59,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 20:52:59,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 20:52:59,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 20:52:59,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 20:52:59,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 20:52:59,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 20:52:59,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 20:52:59,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 20:52:59,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 20:52:59,856 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 -> fbfe8dec550fadf4da01fadd46005a09263b3b04 [2019-11-19 20:53:00,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 20:53:00,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 20:53:00,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 20:53:00,214 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 20:53:00,215 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 20:53:00,216 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2019-11-19 20:53:00,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e031c9d2e/f3ced3b1a92c48bebaa2c15621508195/FLAG7754eab00 [2019-11-19 20:53:00,840 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 20:53:00,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2019-11-19 20:53:00,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e031c9d2e/f3ced3b1a92c48bebaa2c15621508195/FLAG7754eab00 [2019-11-19 20:53:01,124 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e031c9d2e/f3ced3b1a92c48bebaa2c15621508195 [2019-11-19 20:53:01,128 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 20:53:01,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 20:53:01,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 20:53:01,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 20:53:01,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 20:53:01,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:53:01" (1/1) ... [2019-11-19 20:53:01,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5561a12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:01, skipping insertion in model container [2019-11-19 20:53:01,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:53:01" (1/1) ... [2019-11-19 20:53:01,147 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 20:53:01,207 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 20:53:01,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:53:01,690 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 20:53:01,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:53:01,810 INFO L192 MainTranslator]: Completed translation [2019-11-19 20:53:01,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:01 WrapperNode [2019-11-19 20:53:01,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 20:53:01,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 20:53:01,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 20:53:01,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 20:53:01,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:01" (1/1) ... [2019-11-19 20:53:01,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:01" (1/1) ... [2019-11-19 20:53:01,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 20:53:01,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 20:53:01,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 20:53:01,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 20:53:01,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:01" (1/1) ... [2019-11-19 20:53:01,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:01" (1/1) ... [2019-11-19 20:53:01,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:01" (1/1) ... [2019-11-19 20:53:01,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:01" (1/1) ... [2019-11-19 20:53:01,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:01" (1/1) ... [2019-11-19 20:53:01,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:01" (1/1) ... [2019-11-19 20:53:01,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:01" (1/1) ... [2019-11-19 20:53:01,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 20:53:01,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 20:53:01,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 20:53:01,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 20:53:01,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:01" (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 [2019-11-19 20:53:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 20:53:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 20:53:03,288 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 20:53:03,289 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 20:53:03,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:53:03 BoogieIcfgContainer [2019-11-19 20:53:03,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 20:53:03,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 20:53:03,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 20:53:03,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 20:53:03,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:53:01" (1/3) ... [2019-11-19 20:53:03,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b44b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:53:03, skipping insertion in model container [2019-11-19 20:53:03,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:01" (2/3) ... [2019-11-19 20:53:03,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b44b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:53:03, skipping insertion in model container [2019-11-19 20:53:03,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:53:03" (3/3) ... [2019-11-19 20:53:03,306 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label04.c [2019-11-19 20:53:03,317 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 20:53:03,327 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 20:53:03,339 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 20:53:03,382 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 20:53:03,383 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 20:53:03,384 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 20:53:03,384 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 20:53:03,384 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 20:53:03,385 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 20:53:03,385 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 20:53:03,385 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 20:53:03,408 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-19 20:53:03,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-19 20:53:03,421 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:53:03,422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:53:03,423 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:53:03,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:53:03,430 INFO L82 PathProgramCache]: Analyzing trace with hash 585738029, now seen corresponding path program 1 times [2019-11-19 20:53:03,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:53:03,441 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231258205] [2019-11-19 20:53:03,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:53:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:53:03,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:53:03,911 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231258205] [2019-11-19 20:53:03,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:53:03,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:53:03,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716712168] [2019-11-19 20:53:03,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 20:53:03,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:53:03,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 20:53:03,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:53:03,944 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-19 20:53:05,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:53:05,462 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-11-19 20:53:05,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 20:53:05,464 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2019-11-19 20:53:05,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:53:05,483 INFO L225 Difference]: With dead ends: 739 [2019-11-19 20:53:05,484 INFO L226 Difference]: Without dead ends: 445 [2019-11-19 20:53:05,489 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 [2019-11-19 20:53:05,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-11-19 20:53:05,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-11-19 20:53:05,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-11-19 20:53:05,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-11-19 20:53:05,563 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 106 [2019-11-19 20:53:05,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:53:05,565 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-11-19 20:53:05,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 20:53:05,566 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-11-19 20:53:05,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-19 20:53:05,576 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:53:05,577 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:53:05,578 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:53:05,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:53:05,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1744926738, now seen corresponding path program 1 times [2019-11-19 20:53:05,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:53:05,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923745006] [2019-11-19 20:53:05,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:53:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:53:05,717 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:53:05,718 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923745006] [2019-11-19 20:53:05,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:53:05,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:53:05,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819115838] [2019-11-19 20:53:05,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 20:53:05,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:53:05,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 20:53:05,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:53:05,722 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-11-19 20:53:06,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:53:06,568 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-11-19 20:53:06,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 20:53:06,572 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2019-11-19 20:53:06,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:53:06,577 INFO L225 Difference]: With dead ends: 1470 [2019-11-19 20:53:06,578 INFO L226 Difference]: Without dead ends: 1027 [2019-11-19 20:53:06,581 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 [2019-11-19 20:53:06,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-11-19 20:53:06,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-11-19 20:53:06,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-11-19 20:53:06,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-11-19 20:53:06,635 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 124 [2019-11-19 20:53:06,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:53:06,636 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-11-19 20:53:06,636 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 20:53:06,638 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-11-19 20:53:06,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-19 20:53:06,644 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:53:06,645 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:53:06,645 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:53:06,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:53:06,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1686692647, now seen corresponding path program 1 times [2019-11-19 20:53:06,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:53:06,646 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891867152] [2019-11-19 20:53:06,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:53:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:53:06,781 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:53:06,782 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891867152] [2019-11-19 20:53:06,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:53:06,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 20:53:06,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748903040] [2019-11-19 20:53:06,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 20:53:06,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:53:06,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 20:53:06,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:53:06,789 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-11-19 20:53:07,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:53:07,791 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-11-19 20:53:07,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 20:53:07,792 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2019-11-19 20:53:07,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:53:07,802 INFO L225 Difference]: With dead ends: 2582 [2019-11-19 20:53:07,802 INFO L226 Difference]: Without dead ends: 1855 [2019-11-19 20:53:07,805 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 [2019-11-19 20:53:07,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-11-19 20:53:07,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-11-19 20:53:07,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-11-19 20:53:07,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2142 transitions. [2019-11-19 20:53:07,859 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2142 transitions. Word has length 128 [2019-11-19 20:53:07,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:53:07,859 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2142 transitions. [2019-11-19 20:53:07,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 20:53:07,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2142 transitions. [2019-11-19 20:53:07,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-19 20:53:07,890 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:53:07,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:53:07,891 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:53:07,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:53:07,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1700654884, now seen corresponding path program 1 times [2019-11-19 20:53:07,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:53:07,892 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128057019] [2019-11-19 20:53:07,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:53:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:53:07,944 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:53:07,945 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128057019] [2019-11-19 20:53:07,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:53:07,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 20:53:07,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127484696] [2019-11-19 20:53:07,946 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 20:53:07,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:53:07,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 20:53:07,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 20:53:07,947 INFO L87 Difference]: Start difference. First operand 1570 states and 2142 transitions. Second operand 3 states. [2019-11-19 20:53:08,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:53:08,608 INFO L93 Difference]: Finished difference Result 3840 states and 5195 transitions. [2019-11-19 20:53:08,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 20:53:08,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2019-11-19 20:53:08,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:53:08,620 INFO L225 Difference]: With dead ends: 3840 [2019-11-19 20:53:08,621 INFO L226 Difference]: Without dead ends: 2272 [2019-11-19 20:53:08,624 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 [2019-11-19 20:53:08,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-11-19 20:53:08,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2019-11-19 20:53:08,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2019-11-19 20:53:08,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2839 transitions. [2019-11-19 20:53:08,670 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2839 transitions. Word has length 128 [2019-11-19 20:53:08,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:53:08,670 INFO L462 AbstractCegarLoop]: Abstraction has 2272 states and 2839 transitions. [2019-11-19 20:53:08,670 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 20:53:08,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2839 transitions. [2019-11-19 20:53:08,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-19 20:53:08,674 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:53:08,675 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:53:08,675 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:53:08,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:53:08,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1927886609, now seen corresponding path program 1 times [2019-11-19 20:53:08,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:53:08,676 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622595640] [2019-11-19 20:53:08,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:53:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:53:08,831 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 20:53:08,832 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622595640] [2019-11-19 20:53:08,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:53:08,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 20:53:08,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196624145] [2019-11-19 20:53:08,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 20:53:08,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:53:08,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 20:53:08,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:53:08,834 INFO L87 Difference]: Start difference. First operand 2272 states and 2839 transitions. Second operand 4 states. [2019-11-19 20:53:09,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:53:09,449 INFO L93 Difference]: Finished difference Result 4542 states and 5676 transitions. [2019-11-19 20:53:09,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 20:53:09,450 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2019-11-19 20:53:09,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:53:09,460 INFO L225 Difference]: With dead ends: 4542 [2019-11-19 20:53:09,460 INFO L226 Difference]: Without dead ends: 2272 [2019-11-19 20:53:09,464 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 [2019-11-19 20:53:09,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-11-19 20:53:09,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 1852. [2019-11-19 20:53:09,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1852 states. [2019-11-19 20:53:09,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1852 states and 2236 transitions. [2019-11-19 20:53:09,506 INFO L78 Accepts]: Start accepts. Automaton has 1852 states and 2236 transitions. Word has length 133 [2019-11-19 20:53:09,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:53:09,507 INFO L462 AbstractCegarLoop]: Abstraction has 1852 states and 2236 transitions. [2019-11-19 20:53:09,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 20:53:09,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2236 transitions. [2019-11-19 20:53:09,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-19 20:53:09,511 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:53:09,511 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:53:09,512 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:53:09,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:53:09,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1580571441, now seen corresponding path program 1 times [2019-11-19 20:53:09,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:53:09,513 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697642437] [2019-11-19 20:53:09,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:53:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:53:09,575 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:53:09,576 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697642437] [2019-11-19 20:53:09,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:53:09,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:53:09,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348690317] [2019-11-19 20:53:09,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 20:53:09,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:53:09,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 20:53:09,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 20:53:09,579 INFO L87 Difference]: Start difference. First operand 1852 states and 2236 transitions. Second operand 3 states. [2019-11-19 20:53:10,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:53:10,063 INFO L93 Difference]: Finished difference Result 3987 states and 4778 transitions. [2019-11-19 20:53:10,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 20:53:10,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-11-19 20:53:10,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:53:10,076 INFO L225 Difference]: With dead ends: 3987 [2019-11-19 20:53:10,076 INFO L226 Difference]: Without dead ends: 2137 [2019-11-19 20:53:10,080 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 [2019-11-19 20:53:10,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2137 states. [2019-11-19 20:53:10,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2137 to 1992. [2019-11-19 20:53:10,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1992 states. [2019-11-19 20:53:10,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 2277 transitions. [2019-11-19 20:53:10,127 INFO L78 Accepts]: Start accepts. Automaton has 1992 states and 2277 transitions. Word has length 146 [2019-11-19 20:53:10,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:53:10,128 INFO L462 AbstractCegarLoop]: Abstraction has 1992 states and 2277 transitions. [2019-11-19 20:53:10,128 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 20:53:10,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2277 transitions. [2019-11-19 20:53:10,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-19 20:53:10,134 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:53:10,134 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:53:10,134 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:53:10,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:53:10,140 INFO L82 PathProgramCache]: Analyzing trace with hash 97640742, now seen corresponding path program 1 times [2019-11-19 20:53:10,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:53:10,141 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097842546] [2019-11-19 20:53:10,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:53:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:53:10,357 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 20:53:10,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097842546] [2019-11-19 20:53:10,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:53:10,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:53:10,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453044990] [2019-11-19 20:53:10,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 20:53:10,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:53:10,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 20:53:10,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 20:53:10,371 INFO L87 Difference]: Start difference. First operand 1992 states and 2277 transitions. Second operand 3 states. [2019-11-19 20:53:10,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:53:10,840 INFO L93 Difference]: Finished difference Result 4678 states and 5318 transitions. [2019-11-19 20:53:10,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 20:53:10,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-11-19 20:53:10,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:53:10,848 INFO L225 Difference]: With dead ends: 4678 [2019-11-19 20:53:10,848 INFO L226 Difference]: Without dead ends: 1843 [2019-11-19 20:53:10,852 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 [2019-11-19 20:53:10,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2019-11-19 20:53:10,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1703. [2019-11-19 20:53:10,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2019-11-19 20:53:10,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1868 transitions. [2019-11-19 20:53:10,880 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1868 transitions. Word has length 199 [2019-11-19 20:53:10,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:53:10,881 INFO L462 AbstractCegarLoop]: Abstraction has 1703 states and 1868 transitions. [2019-11-19 20:53:10,881 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 20:53:10,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1868 transitions. [2019-11-19 20:53:10,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-11-19 20:53:10,886 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:53:10,886 INFO L410 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-19 20:53:10,887 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:53:10,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:53:10,887 INFO L82 PathProgramCache]: Analyzing trace with hash -567770269, now seen corresponding path program 1 times [2019-11-19 20:53:10,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:53:10,888 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154975744] [2019-11-19 20:53:10,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:53:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:53:11,037 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-19 20:53:11,038 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154975744] [2019-11-19 20:53:11,038 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582894988] [2019-11-19 20:53:11,038 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 [2019-11-19 20:53:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:53:11,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 20:53:11,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 20:53:11,236 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-19 20:53:11,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 20:53:11,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-19 20:53:11,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380309104] [2019-11-19 20:53:11,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 20:53:11,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:53:11,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 20:53:11,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-19 20:53:11,240 INFO L87 Difference]: Start difference. First operand 1703 states and 1868 transitions. Second operand 3 states. [2019-11-19 20:53:11,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:53:11,698 INFO L93 Difference]: Finished difference Result 3818 states and 4179 transitions. [2019-11-19 20:53:11,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 20:53:11,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2019-11-19 20:53:11,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:53:11,699 INFO L225 Difference]: With dead ends: 3818 [2019-11-19 20:53:11,700 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 20:53:11,703 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-19 20:53:11,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 20:53:11,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 20:53:11,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 20:53:11,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 20:53:11,705 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2019-11-19 20:53:11,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:53:11,705 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 20:53:11,705 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 20:53:11,705 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 20:53:11,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 20:53:11,909 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 20:53:11,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 20:53:12,203 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-11-19 20:53:12,399 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-11-19 20:53:12,404 INFO L444 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,404 INFO L444 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,404 INFO L444 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,404 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-19 20:53:12,404 INFO L444 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-19 20:53:12,404 INFO L444 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-19 20:53:12,404 INFO L444 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-19 20:53:12,404 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-19 20:53:12,405 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-19 20:53:12,405 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-19 20:53:12,405 INFO L444 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,405 INFO L444 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,406 INFO L444 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,406 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-19 20:53:12,406 INFO L444 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-19 20:53:12,406 INFO L444 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-19 20:53:12,406 INFO L444 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-19 20:53:12,406 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-19 20:53:12,407 INFO L444 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-19 20:53:12,407 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-19 20:53:12,407 INFO L444 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,407 INFO L444 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,407 INFO L444 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,407 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-19 20:53:12,408 INFO L444 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-19 20:53:12,408 INFO L444 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-19 20:53:12,408 INFO L444 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-19 20:53:12,408 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-19 20:53:12,408 INFO L444 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,408 INFO L444 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,409 INFO L444 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,409 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-19 20:53:12,409 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-19 20:53:12,409 INFO L444 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-19 20:53:12,409 INFO L444 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-19 20:53:12,409 INFO L444 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-19 20:53:12,410 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-19 20:53:12,410 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-19 20:53:12,410 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-19 20:53:12,410 INFO L444 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,410 INFO L444 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,410 INFO L444 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,411 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-19 20:53:12,411 INFO L444 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-19 20:53:12,411 INFO L444 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-19 20:53:12,411 INFO L444 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-19 20:53:12,411 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-19 20:53:12,412 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-19 20:53:12,412 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-19 20:53:12,412 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-19 20:53:12,412 INFO L444 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,412 INFO L444 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,412 INFO L444 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,413 INFO L444 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-19 20:53:12,413 INFO L444 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-19 20:53:12,413 INFO L444 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-19 20:53:12,413 INFO L444 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-19 20:53:12,413 INFO L444 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-19 20:53:12,414 INFO L444 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-19 20:53:12,414 INFO L444 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-19 20:53:12,414 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-19 20:53:12,414 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-19 20:53:12,414 INFO L444 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,414 INFO L444 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,415 INFO L444 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,415 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-19 20:53:12,415 INFO L444 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-19 20:53:12,415 INFO L444 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-19 20:53:12,415 INFO L444 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-19 20:53:12,415 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-19 20:53:12,416 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-19 20:53:12,416 INFO L444 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,416 INFO L444 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,416 INFO L444 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,416 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-19 20:53:12,417 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-19 20:53:12,417 INFO L444 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-19 20:53:12,417 INFO L444 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-19 20:53:12,417 INFO L444 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-19 20:53:12,417 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 20:53:12,417 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-19 20:53:12,417 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-19 20:53:12,418 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-19 20:53:12,418 INFO L444 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,418 INFO L444 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,418 INFO L444 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,418 INFO L444 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-19 20:53:12,419 INFO L444 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-19 20:53:12,419 INFO L444 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-19 20:53:12,419 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-19 20:53:12,419 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-19 20:53:12,419 INFO L444 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,419 INFO L444 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,420 INFO L444 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,420 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-19 20:53:12,420 INFO L444 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-19 20:53:12,420 INFO L444 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-19 20:53:12,420 INFO L444 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-19 20:53:12,420 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-19 20:53:12,421 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-19 20:53:12,421 INFO L444 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-19 20:53:12,421 INFO L444 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-19 20:53:12,421 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-19 20:53:12,421 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-19 20:53:12,421 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 20:53:12,422 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 490) no Hoare annotation was computed. [2019-11-19 20:53:12,422 INFO L444 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-19 20:53:12,422 INFO L444 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,422 INFO L444 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,422 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-19 20:53:12,422 INFO L444 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-19 20:53:12,422 INFO L444 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-19 20:53:12,423 INFO L444 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-19 20:53:12,423 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-19 20:53:12,423 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-19 20:53:12,423 INFO L444 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-19 20:53:12,423 INFO L444 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-19 20:53:12,423 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-19 20:53:12,424 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1)) (.cse0 (<= ~a19~0 0)) (.cse5 (= ~a17~0 8)) (.cse6 (not (= ~a28~0 11))) (.cse7 (<= 10 ~a28~0)) (.cse1 (= ~a19~0 1)) (.cse3 (= ~a11~0 1))) (or (and (= ~a28~0 9) .cse0) (and .cse1 .cse2 .cse3) (let ((.cse4 (not .cse2))) (or (and .cse0 (and .cse4 .cse5)) (and .cse0 .cse4 .cse6))) (and .cse5 .cse1 .cse6) (and .cse7 .cse1 .cse2) (and .cse0 .cse5 .cse6) (and .cse7 .cse1 .cse3))) [2019-11-19 20:53:12,424 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,424 INFO L444 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,424 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-19 20:53:12,425 INFO L444 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-19 20:53:12,425 INFO L444 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-19 20:53:12,425 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-19 20:53:12,425 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-19 20:53:12,425 INFO L444 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-19 20:53:12,426 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-19 20:53:12,426 INFO L444 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,426 INFO L444 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,426 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-19 20:53:12,426 INFO L444 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-19 20:53:12,426 INFO L444 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-19 20:53:12,426 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-19 20:53:12,427 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-19 20:53:12,427 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-19 20:53:12,427 INFO L444 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-19 20:53:12,427 INFO L444 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-19 20:53:12,427 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-19 20:53:12,427 INFO L444 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,428 INFO L444 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,428 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-19 20:53:12,428 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-19 20:53:12,428 INFO L444 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-19 20:53:12,428 INFO L444 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-19 20:53:12,428 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-19 20:53:12,428 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-19 20:53:12,429 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1)) (.cse0 (<= ~a19~0 0)) (.cse5 (= ~a17~0 8)) (.cse6 (not (= ~a28~0 11))) (.cse7 (<= 10 ~a28~0)) (.cse1 (= ~a19~0 1)) (.cse3 (= ~a11~0 1))) (or (and (= ~a28~0 9) .cse0) (and .cse1 .cse2 .cse3) (let ((.cse4 (not .cse2))) (or (and .cse0 (and .cse4 .cse5)) (and .cse0 .cse4 .cse6))) (and .cse5 .cse1 .cse6) (and .cse7 .cse1 .cse2) (and .cse0 .cse5 .cse6) (and .cse7 .cse1 .cse3))) [2019-11-19 20:53:12,429 INFO L444 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,429 INFO L444 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,429 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-19 20:53:12,429 INFO L444 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-19 20:53:12,430 INFO L444 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-19 20:53:12,430 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-19 20:53:12,430 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-19 20:53:12,430 INFO L444 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,430 INFO L444 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,430 INFO L444 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-19 20:53:12,430 INFO L444 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-19 20:53:12,431 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-19 20:53:12,431 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-19 20:53:12,431 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-19 20:53:12,431 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-19 20:53:12,431 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-19 20:53:12,431 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-19 20:53:12,432 INFO L444 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-19 20:53:12,432 INFO L444 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,432 INFO L444 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,432 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-19 20:53:12,432 INFO L444 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,432 INFO L444 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-19 20:53:12,432 INFO L444 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-19 20:53:12,433 INFO L444 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-19 20:53:12,433 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-19 20:53:12,433 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-19 20:53:12,433 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 20:53:12,433 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-19 20:53:12,433 INFO L444 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,434 INFO L444 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,434 INFO L444 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,434 INFO L444 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-19 20:53:12,434 INFO L444 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-19 20:53:12,434 INFO L444 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-19 20:53:12,434 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-19 20:53:12,435 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-19 20:53:12,435 INFO L444 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,435 INFO L444 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,435 INFO L444 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,435 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-19 20:53:12,436 INFO L444 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-19 20:53:12,436 INFO L444 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-19 20:53:12,436 INFO L444 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-19 20:53:12,436 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-19 20:53:12,436 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-19 20:53:12,436 INFO L444 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,436 INFO L444 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,437 INFO L444 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,437 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-19 20:53:12,437 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-19 20:53:12,437 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-19 20:53:12,437 INFO L444 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-19 20:53:12,437 INFO L444 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-19 20:53:12,438 INFO L444 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-19 20:53:12,438 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 20:53:12,438 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-19 20:53:12,438 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-19 20:53:12,438 INFO L444 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,438 INFO L444 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,439 INFO L444 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,439 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-19 20:53:12,439 INFO L444 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-19 20:53:12,439 INFO L444 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-19 20:53:12,439 INFO L444 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-19 20:53:12,439 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-19 20:53:12,439 INFO L444 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,440 INFO L444 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,440 INFO L444 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 20:53:12,440 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-19 20:53:12,440 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-19 20:53:12,440 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-19 20:53:12,440 INFO L444 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-19 20:53:12,441 INFO L444 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-19 20:53:12,441 INFO L444 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-19 20:53:12,441 INFO L444 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-19 20:53:12,441 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-19 20:53:12,441 INFO L444 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-19 20:53:12,441 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-19 20:53:12,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:53:12 BoogieIcfgContainer [2019-11-19 20:53:12,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 20:53:12,461 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 20:53:12,462 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 20:53:12,462 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 20:53:12,463 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:53:03" (3/4) ... [2019-11-19 20:53:12,466 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 20:53:12,491 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 20:53:12,492 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 20:53:12,726 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 20:53:12,726 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 20:53:12,728 INFO L168 Benchmark]: Toolchain (without parser) took 11598.66 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 436.2 MB). Free memory was 949.6 MB in the beginning and 1.4 GB in the end (delta: -459.4 MB). Peak memory consumption was 448.7 MB. Max. memory is 11.5 GB. [2019-11-19 20:53:12,728 INFO L168 Benchmark]: CDTParser took 0.33 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. [2019-11-19 20:53:12,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.78 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: -180.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2019-11-19 20:53:12,729 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.97 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 20:53:12,730 INFO L168 Benchmark]: Boogie Preprocessor took 95.34 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 20:53:12,730 INFO L168 Benchmark]: RCFGBuilder took 1298.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 11.5 GB. [2019-11-19 20:53:12,730 INFO L168 Benchmark]: TraceAbstraction took 9167.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 193.5 MB). Free memory was 1.0 GB in the beginning and 844.4 MB in the end (delta: 168.0 MB). Peak memory consumption was 361.5 MB. Max. memory is 11.5 GB. [2019-11-19 20:53:12,731 INFO L168 Benchmark]: Witness Printer took 264.90 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 92.8 MB). Free memory was 844.4 MB in the beginning and 1.4 GB in the end (delta: -564.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 20:53:12,734 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 681.78 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: -180.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.97 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 95.34 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1298.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9167.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 193.5 MB). Free memory was 1.0 GB in the beginning and 844.4 MB in the end (delta: 168.0 MB). Peak memory consumption was 361.5 MB. Max. memory is 11.5 GB. * Witness Printer took 264.90 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 92.8 MB). Free memory was 844.4 MB in the beginning and 1.4 GB in the end (delta: -564.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 490]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((a28 == 9 && a19 <= 0) || ((a19 == 1 && a25 == 1) && a11 == 1)) || (a19 <= 0 && !(a25 == 1) && a17 == 8) || ((a19 <= 0 && !(a25 == 1)) && !(a28 == 11))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a11 == 1) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((a28 == 9 && a19 <= 0) || ((a19 == 1 && a25 == 1) && a11 == 1)) || (a19 <= 0 && !(a25 == 1) && a17 == 8) || ((a19 <= 0 && !(a25 == 1)) && !(a28 == 11))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a11 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 9.0s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1196 SDtfs, 1565 SDslu, 222 SDs, 0 SdLazy, 4134 SolverSat, 795 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 242 GetRequests, 223 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2272occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1288 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 171 HoareAnnotationTreeSize, 3 FomulaSimplifications, 916 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 288 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1390 NumberOfCodeBlocks, 1390 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1381 ConstructedInterpolants, 0 QuantifiedInterpolants, 493873 SizeOfPredicates, 1 NumberOfNonLiveVariables, 350 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 568/571 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...