./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label03.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1d64a39c93cd8c90fe6286afc9a8d2a5f7f0b4f8 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 23:11:04,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:11:04,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:11:04,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:11:04,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:11:04,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:11:04,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:11:04,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:11:04,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:11:04,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:11:04,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:11:04,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:11:04,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:11:04,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:11:04,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:11:04,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:11:04,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:11:04,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:11:04,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:11:04,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:11:04,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:11:04,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:11:04,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:11:04,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:11:04,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:11:04,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:11:04,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:11:04,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:11:04,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:11:04,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:11:04,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:11:04,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:11:04,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:11:04,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:11:04,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:11:04,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:11:04,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:11:04,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:11:04,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:11:04,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:11:04,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:11:04,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:11:04,963 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:11:04,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:11:04,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:11:04,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:11:04,965 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:11:04,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:11:04,965 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:11:04,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:11:04,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:11:04,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:11:04,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:11:04,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:11:04,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:11:04,969 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:11:04,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:11:04,970 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:11:04,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:11:04,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:11:04,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:11:04,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:11:04,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:11:04,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:11:04,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:11:04,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:11:04,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:11:04,972 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:11:04,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:11:04,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:11:04,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:11:04,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d64a39c93cd8c90fe6286afc9a8d2a5f7f0b4f8 [2020-10-19 23:11:05,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:11:05,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:11:05,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:11:05,221 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:11:05,221 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:11:05,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label03.c [2020-10-19 23:11:05,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bc23b0f9/d6f81470702741e7b0e3cc13fddee3c2/FLAGab8cf6b68 [2020-10-19 23:11:05,973 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:11:05,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label03.c [2020-10-19 23:11:05,987 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bc23b0f9/d6f81470702741e7b0e3cc13fddee3c2/FLAGab8cf6b68 [2020-10-19 23:11:06,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bc23b0f9/d6f81470702741e7b0e3cc13fddee3c2 [2020-10-19 23:11:06,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:11:06,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:11:06,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:11:06,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:11:06,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:11:06,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:11:06" (1/1) ... [2020-10-19 23:11:06,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64cc3651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:06, skipping insertion in model container [2020-10-19 23:11:06,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:11:06" (1/1) ... [2020-10-19 23:11:06,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:11:06,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:11:06,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:11:06,944 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:11:07,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:11:07,272 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:11:07,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:07 WrapperNode [2020-10-19 23:11:07,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:11:07,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:11:07,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:11:07,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:11:07,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:07" (1/1) ... [2020-10-19 23:11:07,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:07" (1/1) ... [2020-10-19 23:11:07,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:11:07,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:11:07,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:11:07,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:11:07,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:07" (1/1) ... [2020-10-19 23:11:07,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:07" (1/1) ... [2020-10-19 23:11:07,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:07" (1/1) ... [2020-10-19 23:11:07,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:07" (1/1) ... [2020-10-19 23:11:07,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:07" (1/1) ... [2020-10-19 23:11:07,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:07" (1/1) ... [2020-10-19 23:11:07,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:07" (1/1) ... [2020-10-19 23:11:07,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:11:07,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:11:07,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:11:07,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:11:07,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:11:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:11:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:11:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:11:07,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:11:09,742 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:11:09,743 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:11:09,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:11:09 BoogieIcfgContainer [2020-10-19 23:11:09,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:11:09,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:11:09,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:11:09,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:11:09,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:11:06" (1/3) ... [2020-10-19 23:11:09,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5afae9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:11:09, skipping insertion in model container [2020-10-19 23:11:09,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:07" (2/3) ... [2020-10-19 23:11:09,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5afae9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:11:09, skipping insertion in model container [2020-10-19 23:11:09,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:11:09" (3/3) ... [2020-10-19 23:11:09,756 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label03.c [2020-10-19 23:11:09,770 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:11:09,779 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:11:09,794 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:11:09,825 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:11:09,825 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:11:09,825 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:11:09,826 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:11:09,826 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:11:09,826 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:11:09,826 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:11:09,827 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:11:09,852 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-10-19 23:11:09,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-19 23:11:09,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:09,861 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:09,862 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:09,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:09,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1722039382, now seen corresponding path program 1 times [2020-10-19 23:11:09,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:09,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890592255] [2020-10-19 23:11:09,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:10,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:10,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890592255] [2020-10-19 23:11:10,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:10,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:10,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099387359] [2020-10-19 23:11:10,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:10,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:10,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:10,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:10,279 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-10-19 23:11:11,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:11,865 INFO L93 Difference]: Finished difference Result 762 states and 1346 transitions. [2020-10-19 23:11:11,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:11,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2020-10-19 23:11:11,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:11,890 INFO L225 Difference]: With dead ends: 762 [2020-10-19 23:11:11,890 INFO L226 Difference]: Without dead ends: 413 [2020-10-19 23:11:11,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:11,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-10-19 23:11:11,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2020-10-19 23:11:11,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-10-19 23:11:11,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2020-10-19 23:11:11,965 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 30 [2020-10-19 23:11:11,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:11,966 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2020-10-19 23:11:11,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:11,966 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2020-10-19 23:11:11,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-19 23:11:11,970 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:11,970 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:11,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:11:11,971 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:11,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:11,971 INFO L82 PathProgramCache]: Analyzing trace with hash 975403074, now seen corresponding path program 1 times [2020-10-19 23:11:11,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:11,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20125372] [2020-10-19 23:11:11,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:12,161 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:12,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20125372] [2020-10-19 23:11:12,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:12,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:12,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55145699] [2020-10-19 23:11:12,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:12,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:12,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:12,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:12,166 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand 3 states. [2020-10-19 23:11:13,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:13,338 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2020-10-19 23:11:13,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:13,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-10-19 23:11:13,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:13,355 INFO L225 Difference]: With dead ends: 1211 [2020-10-19 23:11:13,355 INFO L226 Difference]: Without dead ends: 800 [2020-10-19 23:11:13,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:13,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-10-19 23:11:13,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2020-10-19 23:11:13,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-10-19 23:11:13,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-10-19 23:11:13,419 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 98 [2020-10-19 23:11:13,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:13,420 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-10-19 23:11:13,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:13,420 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-10-19 23:11:13,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-19 23:11:13,422 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:13,423 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:13,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:11:13,423 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:13,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:13,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1544652067, now seen corresponding path program 1 times [2020-10-19 23:11:13,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:13,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681718526] [2020-10-19 23:11:13,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:13,567 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:13,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681718526] [2020-10-19 23:11:13,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:13,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:13,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287886771] [2020-10-19 23:11:13,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:13,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:13,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:13,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:13,570 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-10-19 23:11:14,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:14,833 INFO L93 Difference]: Finished difference Result 2316 states and 3182 transitions. [2020-10-19 23:11:14,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:14,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-10-19 23:11:14,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:14,843 INFO L225 Difference]: With dead ends: 2316 [2020-10-19 23:11:14,844 INFO L226 Difference]: Without dead ends: 1529 [2020-10-19 23:11:14,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:14,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2020-10-19 23:11:14,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1526. [2020-10-19 23:11:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-10-19 23:11:14,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1857 transitions. [2020-10-19 23:11:14,879 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1857 transitions. Word has length 100 [2020-10-19 23:11:14,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:14,879 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1857 transitions. [2020-10-19 23:11:14,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:14,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1857 transitions. [2020-10-19 23:11:14,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-19 23:11:14,883 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:14,884 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:14,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:11:14,884 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:14,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:14,885 INFO L82 PathProgramCache]: Analyzing trace with hash -609646303, now seen corresponding path program 1 times [2020-10-19 23:11:14,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:14,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432280524] [2020-10-19 23:11:14,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:15,097 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:15,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432280524] [2020-10-19 23:11:15,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:15,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:15,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988004972] [2020-10-19 23:11:15,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:15,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:15,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:15,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:15,102 INFO L87 Difference]: Start difference. First operand 1526 states and 1857 transitions. Second operand 3 states. [2020-10-19 23:11:16,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:16,239 INFO L93 Difference]: Finished difference Result 3257 states and 4125 transitions. [2020-10-19 23:11:16,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:16,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-10-19 23:11:16,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:16,251 INFO L225 Difference]: With dead ends: 3257 [2020-10-19 23:11:16,251 INFO L226 Difference]: Without dead ends: 1917 [2020-10-19 23:11:16,254 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:16,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2020-10-19 23:11:16,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1914. [2020-10-19 23:11:16,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2020-10-19 23:11:16,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2385 transitions. [2020-10-19 23:11:16,299 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2385 transitions. Word has length 157 [2020-10-19 23:11:16,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:16,300 INFO L481 AbstractCegarLoop]: Abstraction has 1914 states and 2385 transitions. [2020-10-19 23:11:16,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:16,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2385 transitions. [2020-10-19 23:11:16,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-19 23:11:16,311 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:16,312 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 23:11:16,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:11:16,313 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:16,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:16,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1698881465, now seen corresponding path program 1 times [2020-10-19 23:11:16,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:16,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533874255] [2020-10-19 23:11:16,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:16,568 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-19 23:11:16,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533874255] [2020-10-19 23:11:16,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:16,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:16,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950899929] [2020-10-19 23:11:16,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:16,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:16,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:16,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:16,571 INFO L87 Difference]: Start difference. First operand 1914 states and 2385 transitions. Second operand 3 states. [2020-10-19 23:11:17,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:17,859 INFO L93 Difference]: Finished difference Result 4389 states and 5592 transitions. [2020-10-19 23:11:17,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:17,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-10-19 23:11:17,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:17,875 INFO L225 Difference]: With dead ends: 4389 [2020-10-19 23:11:17,876 INFO L226 Difference]: Without dead ends: 2661 [2020-10-19 23:11:17,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:17,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2020-10-19 23:11:17,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2467. [2020-10-19 23:11:17,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2020-10-19 23:11:17,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3046 transitions. [2020-10-19 23:11:17,932 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3046 transitions. Word has length 212 [2020-10-19 23:11:17,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:17,934 INFO L481 AbstractCegarLoop]: Abstraction has 2467 states and 3046 transitions. [2020-10-19 23:11:17,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:17,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3046 transitions. [2020-10-19 23:11:17,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-19 23:11:17,938 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:17,938 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 23:11:17,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 23:11:17,939 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:17,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:17,939 INFO L82 PathProgramCache]: Analyzing trace with hash 815372938, now seen corresponding path program 1 times [2020-10-19 23:11:17,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:17,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883420851] [2020-10-19 23:11:17,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:18,419 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 25 proven. 30 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-19 23:11:18,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883420851] [2020-10-19 23:11:18,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582674544] [2020-10-19 23:11:18,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:11:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:18,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:11:18,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:11:18,858 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-19 23:11:18,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:11:18,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 23:11:18,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523990410] [2020-10-19 23:11:18,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:18,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:18,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:18,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:11:18,865 INFO L87 Difference]: Start difference. First operand 2467 states and 3046 transitions. Second operand 3 states. [2020-10-19 23:11:20,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:20,404 INFO L93 Difference]: Finished difference Result 6409 states and 8063 transitions. [2020-10-19 23:11:20,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:20,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2020-10-19 23:11:20,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:20,431 INFO L225 Difference]: With dead ends: 6409 [2020-10-19 23:11:20,431 INFO L226 Difference]: Without dead ends: 3944 [2020-10-19 23:11:20,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:11:20,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3944 states. [2020-10-19 23:11:20,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3944 to 3941. [2020-10-19 23:11:20,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3941 states. [2020-10-19 23:11:20,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3941 states to 3941 states and 4855 transitions. [2020-10-19 23:11:20,525 INFO L78 Accepts]: Start accepts. Automaton has 3941 states and 4855 transitions. Word has length 218 [2020-10-19 23:11:20,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:20,526 INFO L481 AbstractCegarLoop]: Abstraction has 3941 states and 4855 transitions. [2020-10-19 23:11:20,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:20,527 INFO L276 IsEmpty]: Start isEmpty. Operand 3941 states and 4855 transitions. [2020-10-19 23:11:20,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-10-19 23:11:20,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:20,534 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 23:11:20,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-19 23:11:20,759 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:20,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:20,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1824197378, now seen corresponding path program 1 times [2020-10-19 23:11:20,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:20,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135186781] [2020-10-19 23:11:20,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:21,426 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:21,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135186781] [2020-10-19 23:11:21,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:21,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:21,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640038876] [2020-10-19 23:11:21,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:11:21,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:21,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:11:21,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:11:21,430 INFO L87 Difference]: Start difference. First operand 3941 states and 4855 transitions. Second operand 4 states. [2020-10-19 23:11:23,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:23,580 INFO L93 Difference]: Finished difference Result 12154 states and 15362 transitions. [2020-10-19 23:11:23,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:11:23,581 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 257 [2020-10-19 23:11:23,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:23,619 INFO L225 Difference]: With dead ends: 12154 [2020-10-19 23:11:23,619 INFO L226 Difference]: Without dead ends: 8399 [2020-10-19 23:11:23,625 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:11:23,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8399 states. [2020-10-19 23:11:23,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8399 to 8395. [2020-10-19 23:11:23,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8395 states. [2020-10-19 23:11:23,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8395 states to 8395 states and 10448 transitions. [2020-10-19 23:11:23,823 INFO L78 Accepts]: Start accepts. Automaton has 8395 states and 10448 transitions. Word has length 257 [2020-10-19 23:11:23,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:23,824 INFO L481 AbstractCegarLoop]: Abstraction has 8395 states and 10448 transitions. [2020-10-19 23:11:23,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:11:23,824 INFO L276 IsEmpty]: Start isEmpty. Operand 8395 states and 10448 transitions. [2020-10-19 23:11:23,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-19 23:11:23,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:23,831 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 23:11:23,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:11:23,832 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:23,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:23,832 INFO L82 PathProgramCache]: Analyzing trace with hash 964848590, now seen corresponding path program 1 times [2020-10-19 23:11:23,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:23,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630153813] [2020-10-19 23:11:23,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:24,078 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-19 23:11:24,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630153813] [2020-10-19 23:11:24,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:24,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:24,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362999819] [2020-10-19 23:11:24,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:24,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:24,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:24,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:24,082 INFO L87 Difference]: Start difference. First operand 8395 states and 10448 transitions. Second operand 3 states. [2020-10-19 23:11:25,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:25,404 INFO L93 Difference]: Finished difference Result 17334 states and 21902 transitions. [2020-10-19 23:11:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:25,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 266 [2020-10-19 23:11:25,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:25,447 INFO L225 Difference]: With dead ends: 17334 [2020-10-19 23:11:25,448 INFO L226 Difference]: Without dead ends: 10235 [2020-10-19 23:11:25,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:25,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10235 states. [2020-10-19 23:11:25,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10235 to 10235. [2020-10-19 23:11:25,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10235 states. [2020-10-19 23:11:25,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10235 states to 10235 states and 12491 transitions. [2020-10-19 23:11:25,919 INFO L78 Accepts]: Start accepts. Automaton has 10235 states and 12491 transitions. Word has length 266 [2020-10-19 23:11:25,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:25,919 INFO L481 AbstractCegarLoop]: Abstraction has 10235 states and 12491 transitions. [2020-10-19 23:11:25,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:25,920 INFO L276 IsEmpty]: Start isEmpty. Operand 10235 states and 12491 transitions. [2020-10-19 23:11:25,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-19 23:11:25,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:25,926 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 23:11:25,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 23:11:25,927 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:25,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:25,927 INFO L82 PathProgramCache]: Analyzing trace with hash -161774081, now seen corresponding path program 1 times [2020-10-19 23:11:25,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:25,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161828606] [2020-10-19 23:11:25,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:26,235 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-10-19 23:11:26,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161828606] [2020-10-19 23:11:26,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903900340] [2020-10-19 23:11:26,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:11:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:26,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 23:11:26,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:11:26,389 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 23:11:26,408 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 23:11:26,447 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 23:11:26,668 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-10-19 23:11:26,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 23:11:26,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-10-19 23:11:26,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770247309] [2020-10-19 23:11:26,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:11:26,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:26,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:11:26,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:11:26,671 INFO L87 Difference]: Start difference. First operand 10235 states and 12491 transitions. Second operand 4 states. [2020-10-19 23:11:28,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:28,611 INFO L93 Difference]: Finished difference Result 21019 states and 25838 transitions. [2020-10-19 23:11:28,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:11:28,612 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 268 [2020-10-19 23:11:28,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:28,639 INFO L225 Difference]: With dead ends: 21019 [2020-10-19 23:11:28,640 INFO L226 Difference]: Without dead ends: 12080 [2020-10-19 23:11:28,653 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 267 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:11:28,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12080 states. [2020-10-19 23:11:28,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12080 to 10419. [2020-10-19 23:11:28,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10419 states. [2020-10-19 23:11:28,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10419 states to 10419 states and 12699 transitions. [2020-10-19 23:11:28,802 INFO L78 Accepts]: Start accepts. Automaton has 10419 states and 12699 transitions. Word has length 268 [2020-10-19 23:11:28,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:28,803 INFO L481 AbstractCegarLoop]: Abstraction has 10419 states and 12699 transitions. [2020-10-19 23:11:28,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:11:28,803 INFO L276 IsEmpty]: Start isEmpty. Operand 10419 states and 12699 transitions. [2020-10-19 23:11:28,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-19 23:11:28,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:28,815 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:29,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:11:29,029 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:29,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:29,030 INFO L82 PathProgramCache]: Analyzing trace with hash 992092915, now seen corresponding path program 1 times [2020-10-19 23:11:29,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:29,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609058308] [2020-10-19 23:11:29,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:29,627 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 122 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-19 23:11:29,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609058308] [2020-10-19 23:11:29,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527394701] [2020-10-19 23:11:29,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:11:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:29,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:11:29,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:11:30,109 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-19 23:11:30,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:11:30,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 23:11:30,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537850720] [2020-10-19 23:11:30,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:30,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:30,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:30,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:11:30,112 INFO L87 Difference]: Start difference. First operand 10419 states and 12699 transitions. Second operand 3 states. [2020-10-19 23:11:31,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:31,717 INFO L93 Difference]: Finished difference Result 26539 states and 32647 transitions. [2020-10-19 23:11:31,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:31,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 292 [2020-10-19 23:11:31,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:31,757 INFO L225 Difference]: With dead ends: 26539 [2020-10-19 23:11:31,757 INFO L226 Difference]: Without dead ends: 16860 [2020-10-19 23:11:31,774 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:11:31,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16860 states. [2020-10-19 23:11:32,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16860 to 16860. [2020-10-19 23:11:32,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16860 states. [2020-10-19 23:11:32,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16860 states to 16860 states and 20167 transitions. [2020-10-19 23:11:32,095 INFO L78 Accepts]: Start accepts. Automaton has 16860 states and 20167 transitions. Word has length 292 [2020-10-19 23:11:32,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:32,097 INFO L481 AbstractCegarLoop]: Abstraction has 16860 states and 20167 transitions. [2020-10-19 23:11:32,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:32,097 INFO L276 IsEmpty]: Start isEmpty. Operand 16860 states and 20167 transitions. [2020-10-19 23:11:32,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-10-19 23:11:32,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:32,119 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:32,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-19 23:11:32,334 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:32,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:32,335 INFO L82 PathProgramCache]: Analyzing trace with hash 2047708811, now seen corresponding path program 1 times [2020-10-19 23:11:32,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:32,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751761715] [2020-10-19 23:11:32,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:32,640 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-19 23:11:32,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751761715] [2020-10-19 23:11:32,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:32,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:32,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770350789] [2020-10-19 23:11:32,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:32,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:32,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:32,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:32,643 INFO L87 Difference]: Start difference. First operand 16860 states and 20167 transitions. Second operand 3 states. [2020-10-19 23:11:33,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:33,891 INFO L93 Difference]: Finished difference Result 30919 states and 36927 transitions. [2020-10-19 23:11:33,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:33,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 311 [2020-10-19 23:11:33,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:33,930 INFO L225 Difference]: With dead ends: 30919 [2020-10-19 23:11:33,930 INFO L226 Difference]: Without dead ends: 14982 [2020-10-19 23:11:33,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:33,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14982 states. [2020-10-19 23:11:34,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14982 to 14610. [2020-10-19 23:11:34,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14610 states. [2020-10-19 23:11:34,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14610 states to 14610 states and 16882 transitions. [2020-10-19 23:11:34,644 INFO L78 Accepts]: Start accepts. Automaton has 14610 states and 16882 transitions. Word has length 311 [2020-10-19 23:11:34,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:34,645 INFO L481 AbstractCegarLoop]: Abstraction has 14610 states and 16882 transitions. [2020-10-19 23:11:34,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:34,645 INFO L276 IsEmpty]: Start isEmpty. Operand 14610 states and 16882 transitions. [2020-10-19 23:11:34,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-10-19 23:11:34,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:34,666 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 23:11:34,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 23:11:34,667 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:34,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:34,668 INFO L82 PathProgramCache]: Analyzing trace with hash 48910046, now seen corresponding path program 1 times [2020-10-19 23:11:34,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:34,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594585617] [2020-10-19 23:11:34,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:34,871 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2020-10-19 23:11:34,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594585617] [2020-10-19 23:11:34,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:34,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:34,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751430864] [2020-10-19 23:11:34,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:34,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:34,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:34,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:34,875 INFO L87 Difference]: Start difference. First operand 14610 states and 16882 transitions. Second operand 3 states. [2020-10-19 23:11:36,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:36,176 INFO L93 Difference]: Finished difference Result 30146 states and 34948 transitions. [2020-10-19 23:11:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:36,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 314 [2020-10-19 23:11:36,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:36,178 INFO L225 Difference]: With dead ends: 30146 [2020-10-19 23:11:36,178 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:11:36,194 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:36,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:11:36,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:11:36,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:11:36,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:11:36,195 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 314 [2020-10-19 23:11:36,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:36,195 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:11:36,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:36,196 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:11:36,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:11:36,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-19 23:11:36,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:11:36,504 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-10-19 23:11:36,898 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-10-19 23:11:36,903 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,904 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,904 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,904 INFO L270 CegarLoopResult]: At program point L1027(lines 24 1028) the Hoare annotation is: (let ((.cse1 (= ~a25~0 12)) (.cse2 (<= 165 ~a23~0)) (.cse5 (= ~a25~0 11)) (.cse3 (< 140 ~a29~0)) (.cse4 (= ~a4~0 1)) (.cse7 (<= ~a25~0 10)) (.cse0 (= ~a4~0 0)) (.cse6 (<= ~a29~0 245))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse0 (<= ~a23~0 312)) (and .cse2 (<= ~a29~0 130) .cse4) (and .cse1 .cse4) (and .cse2 .cse5 .cse4) (and .cse3 .cse6 .cse4) (and .cse7 .cse4) (and (<= 306 ~a23~0) .cse4) (and .cse5 .cse3 .cse4) (and .cse7 .cse0 .cse6))) [2020-10-19 23:11:36,905 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,905 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-19 23:11:36,905 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-19 23:11:36,905 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,905 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,905 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,906 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,906 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,906 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,906 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-19 23:11:36,906 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-19 23:11:36,906 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-19 23:11:36,906 INFO L277 CegarLoopResult]: At program point L1030(lines 1030 1046) the Hoare annotation is: true [2020-10-19 23:11:36,906 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,907 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,907 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,907 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,907 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,907 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,907 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,907 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-19 23:11:36,907 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-19 23:11:36,907 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-19 23:11:36,907 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,908 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,908 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,908 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,908 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,908 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,908 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,908 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,908 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,908 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-19 23:11:36,908 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-19 23:11:36,909 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-19 23:11:36,909 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,909 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse1 (= ~a25~0 12)) (.cse2 (<= 165 ~a23~0)) (.cse5 (= ~a25~0 11)) (.cse3 (< 140 ~a29~0)) (.cse4 (= ~a4~0 1)) (.cse7 (<= ~a25~0 10)) (.cse0 (= ~a4~0 0)) (.cse6 (<= ~a29~0 245))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse0 (<= ~a23~0 312)) (and .cse2 (<= ~a29~0 130) .cse4) (and .cse1 .cse4) (and .cse2 .cse5 .cse4) (and .cse3 .cse6 .cse4) (and .cse7 .cse4) (and (<= 306 ~a23~0) .cse4) (and .cse5 .cse3 .cse4) (and .cse7 .cse0 .cse6))) [2020-10-19 23:11:36,909 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,909 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,909 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,909 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,909 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,909 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,910 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,910 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,910 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-19 23:11:36,910 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-19 23:11:36,910 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-19 23:11:36,910 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-19 23:11:36,910 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-19 23:11:36,910 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-19 23:11:36,910 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-19 23:11:36,911 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,911 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,911 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,911 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,911 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,911 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,911 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,911 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,911 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,912 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,912 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-19 23:11:36,912 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-19 23:11:36,912 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-19 23:11:36,912 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-19 23:11:36,912 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,912 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,912 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,912 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,912 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,913 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-19 23:11:36,913 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-19 23:11:36,913 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-19 23:11:36,913 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,913 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,913 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,913 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,913 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-19 23:11:36,913 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-19 23:11:36,913 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,913 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,914 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,914 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,914 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,914 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,914 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-19 23:11:36,914 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-19 23:11:36,914 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,914 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,914 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-19 23:11:36,914 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-19 23:11:36,914 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-19 23:11:36,915 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:11:36,915 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,915 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,915 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,915 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,915 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,915 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,915 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,915 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-19 23:11:36,915 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-19 23:11:36,915 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-19 23:11:36,916 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-19 23:11:36,916 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-19 23:11:36,916 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-19 23:11:36,916 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-19 23:11:36,916 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,916 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,916 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-19 23:11:36,916 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-19 23:11:36,916 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,916 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,916 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,917 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,917 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,917 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-19 23:11:36,917 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-19 23:11:36,917 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-19 23:11:36,917 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,917 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,917 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,917 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,917 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,917 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,918 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-19 23:11:36,918 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-19 23:11:36,918 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-19 23:11:36,918 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:11:36,918 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,918 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:11:36,918 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,918 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,918 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,918 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,919 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,919 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,919 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,919 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-19 23:11:36,919 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-19 23:11:36,919 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-19 23:11:36,919 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,919 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,919 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,920 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,920 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,920 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,920 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,920 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:11:36,920 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,920 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,920 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,920 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,920 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-19 23:11:36,920 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-19 23:11:36,921 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-19 23:11:36,921 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-19 23:11:36,921 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-19 23:11:36,921 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,921 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,921 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,921 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,921 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,921 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,921 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,921 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-19 23:11:36,922 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-19 23:11:36,922 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-19 23:11:36,922 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,922 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,922 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,922 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-19 23:11:36,922 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-19 23:11:36,922 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,923 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,923 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,923 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,923 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,923 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-19 23:11:36,923 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-19 23:11:36,923 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,923 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,923 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-19 23:11:36,923 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-19 23:11:36,924 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,924 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,924 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,924 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,924 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,924 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,924 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-19 23:11:36,924 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-19 23:11:36,924 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-19 23:11:36,924 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-19 23:11:36,925 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,925 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,925 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,925 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,925 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,925 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,925 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,925 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,925 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-19 23:11:36,925 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-19 23:11:36,926 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-19 23:11:36,926 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-19 23:11:36,926 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-19 23:11:36,926 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-19 23:11:36,926 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,926 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,926 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,926 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,926 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,927 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,927 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,927 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:11:36,927 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-19 23:11:36,927 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-19 23:11:36,927 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,927 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,927 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,927 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,927 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,928 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,928 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-19 23:11:36,928 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-19 23:11:36,928 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,928 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,928 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,928 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,928 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,928 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,928 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,929 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-19 23:11:36,929 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,929 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,929 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,929 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-19 23:11:36,929 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-19 23:11:36,929 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-19 23:11:36,929 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,929 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-19 23:11:36,929 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,930 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-19 23:11:36,930 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,930 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,930 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:11:36,930 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,930 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,930 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,930 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,930 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-19 23:11:36,931 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-19 23:11:36,931 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-19 23:11:36,931 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,931 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,931 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,931 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,931 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,931 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,931 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,931 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,932 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,932 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,932 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-19 23:11:36,932 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-19 23:11:36,932 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-19 23:11:36,932 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,932 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-19 23:11:36,932 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-19 23:11:36,932 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,933 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,933 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:36,933 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,933 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,933 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-19 23:11:36,933 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-19 23:11:36,933 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-19 23:11:36,933 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-19 23:11:36,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:11:36 BoogieIcfgContainer [2020-10-19 23:11:36,958 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:11:36,959 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:11:36,959 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:11:36,959 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:11:36,960 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:11:09" (3/4) ... [2020-10-19 23:11:36,963 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:11:36,992 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:11:36,994 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:11:36,996 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:11:36,997 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:11:37,199 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:11:37,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:11:37,200 INFO L168 Benchmark]: Toolchain (without parser) took 31007.68 ms. Allocated memory was 37.7 MB in the beginning and 364.4 MB in the end (delta: 326.6 MB). Free memory was 17.0 MB in the beginning and 261.3 MB in the end (delta: -244.3 MB). Peak memory consumption was 82.4 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:37,201 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 35.1 MB. Free memory is still 12.1 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-19 23:11:37,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1074.14 ms. Allocated memory was 37.7 MB in the beginning and 49.8 MB in the end (delta: 12.1 MB). Free memory was 16.1 MB in the beginning and 22.6 MB in the end (delta: -6.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:37,202 INFO L168 Benchmark]: Boogie Procedure Inliner took 201.75 ms. Allocated memory was 49.8 MB in the beginning and 50.9 MB in the end (delta: 1.0 MB). Free memory was 22.6 MB in the beginning and 18.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:37,202 INFO L168 Benchmark]: Boogie Preprocessor took 126.52 ms. Allocated memory is still 50.9 MB. Free memory was 18.4 MB in the beginning and 7.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:37,203 INFO L168 Benchmark]: RCFGBuilder took 2142.48 ms. Allocated memory was 50.9 MB in the beginning and 76.5 MB in the end (delta: 25.7 MB). Free memory was 7.7 MB in the beginning and 24.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:37,203 INFO L168 Benchmark]: TraceAbstraction took 27211.37 ms. Allocated memory was 76.5 MB in the beginning and 364.4 MB in the end (delta: 287.8 MB). Free memory was 23.7 MB in the beginning and 293.8 MB in the end (delta: -270.1 MB). Peak memory consumption was 293.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:37,203 INFO L168 Benchmark]: Witness Printer took 240.33 ms. Allocated memory is still 364.4 MB. Free memory was 293.8 MB in the beginning and 261.3 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:37,206 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 35.1 MB. Free memory is still 12.1 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1074.14 ms. Allocated memory was 37.7 MB in the beginning and 49.8 MB in the end (delta: 12.1 MB). Free memory was 16.1 MB in the beginning and 22.6 MB in the end (delta: -6.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 201.75 ms. Allocated memory was 49.8 MB in the beginning and 50.9 MB in the end (delta: 1.0 MB). Free memory was 22.6 MB in the beginning and 18.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 126.52 ms. Allocated memory is still 50.9 MB. Free memory was 18.4 MB in the beginning and 7.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2142.48 ms. Allocated memory was 50.9 MB in the beginning and 76.5 MB in the end (delta: 25.7 MB). Free memory was 7.7 MB in the beginning and 24.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 27211.37 ms. Allocated memory was 76.5 MB in the beginning and 364.4 MB in the end (delta: 287.8 MB). Free memory was 23.7 MB in the beginning and 293.8 MB in the end (delta: -270.1 MB). Peak memory consumption was 293.6 MB. Max. memory is 14.3 GB. * Witness Printer took 240.33 ms. Allocated memory is still 364.4 MB. Free memory was 293.8 MB in the beginning and 261.3 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((((((((((a4 == 0 && a25 == 12) || ((165 <= a23 && 140 < a29) && a4 == 1)) || (a4 == 0 && a23 <= 312)) || ((165 <= a23 && a29 <= 130) && a4 == 1)) || (a25 == 12 && a4 == 1)) || ((165 <= a23 && a25 == 11) && a4 == 1)) || ((140 < a29 && a29 <= 245) && a4 == 1)) || (a25 <= 10 && a4 == 1)) || (306 <= a23 && a4 == 1)) || ((a25 == 11 && 140 < a29) && a4 == 1)) || ((a25 <= 10 && a4 == 0) && a29 <= 245) - InvariantResult [Line: 1030]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: ((((((((((a4 == 0 && a25 == 12) || ((165 <= a23 && 140 < a29) && a4 == 1)) || (a4 == 0 && a23 <= 312)) || ((165 <= a23 && a29 <= 130) && a4 == 1)) || (a25 == 12 && a4 == 1)) || ((165 <= a23 && a25 == 11) && a4 == 1)) || ((140 < a29 && a29 <= 245) && a4 == 1)) || (a25 <= 10 && a4 == 1)) || (306 <= a23 && a4 == 1)) || ((a25 == 11 && 140 < a29) && a4 == 1)) || ((a25 <= 10 && a4 == 0) && a29 <= 245) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.3s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 17.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2228 SDtfs, 2336 SDslu, 334 SDs, 0 SdLazy, 7469 SolverSat, 1528 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 810 GetRequests, 789 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16860occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 2251 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 183 NumberOfFragments, 193 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2728 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 3301 NumberOfCodeBlocks, 3301 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3286 ConstructedInterpolants, 0 QuantifiedInterpolants, 2566690 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1176 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 1955/2217 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...