./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label33.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/Problem03_label33.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 373fe4901bb2f1ed23fd41b392775bc938b0f297 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:34:10,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:34:10,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:34:10,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:34:10,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:34:10,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:34:10,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:34:10,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:34:10,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:34:10,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:34:10,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:34:10,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:34:10,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:34:10,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:34:10,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:34:10,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:34:10,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:34:10,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:34:10,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:34:10,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:34:10,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:34:10,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:34:10,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:34:10,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:34:10,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:34:10,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:34:10,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:34:10,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:34:10,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:34:10,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:34:10,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:34:10,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:34:10,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:34:10,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:34:10,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:34:10,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:34:10,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:34:10,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:34:10,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:34:10,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:34:10,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:34:10,876 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:34:10,899 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:34:10,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:34:10,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:34:10,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:34:10,901 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:34:10,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:34:10,902 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:34:10,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:34:10,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:34:10,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:34:10,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:34:10,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:34:10,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:34:10,903 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:34:10,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:34:10,904 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:34:10,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:34:10,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:34:10,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:34:10,905 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:34:10,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:34:10,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:34:10,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:34:10,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:34:10,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:34:10,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:34:10,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:34:10,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:34:10,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:34:10,907 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 -> 373fe4901bb2f1ed23fd41b392775bc938b0f297 [2020-10-19 22:34:11,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:34:11,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:34:11,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:34:11,138 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:34:11,139 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:34:11,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2020-10-19 22:34:11,217 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6475b7a2/8c35ac1a250a4c45a88c789831a166a6/FLAG980c00fda [2020-10-19 22:34:11,964 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:34:11,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2020-10-19 22:34:11,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6475b7a2/8c35ac1a250a4c45a88c789831a166a6/FLAG980c00fda [2020-10-19 22:34:12,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6475b7a2/8c35ac1a250a4c45a88c789831a166a6 [2020-10-19 22:34:12,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:34:12,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:34:12,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:34:12,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:34:12,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:34:12,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:34:12" (1/1) ... [2020-10-19 22:34:12,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e08bd0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:12, skipping insertion in model container [2020-10-19 22:34:12,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:34:12" (1/1) ... [2020-10-19 22:34:12,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:34:12,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:34:12,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:34:12,994 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:34:13,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:34:13,391 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:34:13,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:13 WrapperNode [2020-10-19 22:34:13,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:34:13,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:34:13,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:34:13,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:34:13,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:13" (1/1) ... [2020-10-19 22:34:13,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:13" (1/1) ... [2020-10-19 22:34:13,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:34:13,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:34:13,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:34:13,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:34:13,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:13" (1/1) ... [2020-10-19 22:34:13,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:13" (1/1) ... [2020-10-19 22:34:13,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:13" (1/1) ... [2020-10-19 22:34:13,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:13" (1/1) ... [2020-10-19 22:34:13,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:13" (1/1) ... [2020-10-19 22:34:13,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:13" (1/1) ... [2020-10-19 22:34:13,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:13" (1/1) ... [2020-10-19 22:34:13,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:34:13,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:34:13,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:34:13,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:34:13,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:13" (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 22:34:14,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:34:14,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:34:14,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:34:14,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:34:16,246 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:34:16,246 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:34:16,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:34:16 BoogieIcfgContainer [2020-10-19 22:34:16,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:34:16,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:34:16,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:34:16,253 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:34:16,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:34:12" (1/3) ... [2020-10-19 22:34:16,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551e1e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:34:16, skipping insertion in model container [2020-10-19 22:34:16,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:13" (2/3) ... [2020-10-19 22:34:16,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551e1e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:34:16, skipping insertion in model container [2020-10-19 22:34:16,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:34:16" (3/3) ... [2020-10-19 22:34:16,257 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label33.c [2020-10-19 22:34:16,270 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:34:16,278 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:34:16,293 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:34:16,320 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:34:16,321 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:34:16,321 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:34:16,321 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:34:16,321 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:34:16,321 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:34:16,321 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:34:16,321 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:34:16,344 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-10-19 22:34:16,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-19 22:34:16,359 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:16,361 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:34:16,361 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:16,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:16,367 INFO L82 PathProgramCache]: Analyzing trace with hash 263676051, now seen corresponding path program 1 times [2020-10-19 22:34:16,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:16,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081358275] [2020-10-19 22:34:16,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:17,012 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 22:34:17,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081358275] [2020-10-19 22:34:17,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:17,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:34:17,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524349670] [2020-10-19 22:34:17,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:17,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:17,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:17,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:17,041 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2020-10-19 22:34:18,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:18,460 INFO L93 Difference]: Finished difference Result 856 states and 1497 transitions. [2020-10-19 22:34:18,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:18,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-10-19 22:34:18,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:18,482 INFO L225 Difference]: With dead ends: 856 [2020-10-19 22:34:18,482 INFO L226 Difference]: Without dead ends: 460 [2020-10-19 22:34:18,488 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 22:34:18,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-10-19 22:34:18,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 459. [2020-10-19 22:34:18,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-10-19 22:34:18,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 710 transitions. [2020-10-19 22:34:18,565 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 710 transitions. Word has length 159 [2020-10-19 22:34:18,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:18,566 INFO L481 AbstractCegarLoop]: Abstraction has 459 states and 710 transitions. [2020-10-19 22:34:18,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:18,567 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 710 transitions. [2020-10-19 22:34:18,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-19 22:34:18,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:18,573 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:34:18,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:34:18,574 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:18,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:18,574 INFO L82 PathProgramCache]: Analyzing trace with hash -191744767, now seen corresponding path program 1 times [2020-10-19 22:34:18,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:18,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335763367] [2020-10-19 22:34:18,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:18,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:34:18,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335763367] [2020-10-19 22:34:18,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:18,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:34:18,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165506260] [2020-10-19 22:34:18,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:18,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:18,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:18,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:18,719 INFO L87 Difference]: Start difference. First operand 459 states and 710 transitions. Second operand 3 states. [2020-10-19 22:34:19,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:19,821 INFO L93 Difference]: Finished difference Result 1340 states and 2081 transitions. [2020-10-19 22:34:19,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:19,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2020-10-19 22:34:19,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:19,828 INFO L225 Difference]: With dead ends: 1340 [2020-10-19 22:34:19,828 INFO L226 Difference]: Without dead ends: 883 [2020-10-19 22:34:19,831 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 22:34:19,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2020-10-19 22:34:19,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 880. [2020-10-19 22:34:19,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-10-19 22:34:19,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1290 transitions. [2020-10-19 22:34:19,870 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1290 transitions. Word has length 164 [2020-10-19 22:34:19,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:19,871 INFO L481 AbstractCegarLoop]: Abstraction has 880 states and 1290 transitions. [2020-10-19 22:34:19,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:19,871 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1290 transitions. [2020-10-19 22:34:19,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-19 22:34:19,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:19,878 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:34:19,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:34:19,878 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:19,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:19,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1718685266, now seen corresponding path program 1 times [2020-10-19 22:34:19,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:19,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759292193] [2020-10-19 22:34:19,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:19,986 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:34:19,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759292193] [2020-10-19 22:34:19,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:19,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:34:19,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229329691] [2020-10-19 22:34:19,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:19,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:19,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:19,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:19,988 INFO L87 Difference]: Start difference. First operand 880 states and 1290 transitions. Second operand 3 states. [2020-10-19 22:34:21,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:21,176 INFO L93 Difference]: Finished difference Result 2594 states and 3819 transitions. [2020-10-19 22:34:21,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:21,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2020-10-19 22:34:21,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:21,185 INFO L225 Difference]: With dead ends: 2594 [2020-10-19 22:34:21,185 INFO L226 Difference]: Without dead ends: 1716 [2020-10-19 22:34:21,188 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 22:34:21,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2020-10-19 22:34:21,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1696. [2020-10-19 22:34:21,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1696 states. [2020-10-19 22:34:21,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2437 transitions. [2020-10-19 22:34:21,283 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2437 transitions. Word has length 167 [2020-10-19 22:34:21,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:21,283 INFO L481 AbstractCegarLoop]: Abstraction has 1696 states and 2437 transitions. [2020-10-19 22:34:21,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:21,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2437 transitions. [2020-10-19 22:34:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-19 22:34:21,290 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:21,290 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:34:21,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 22:34:21,291 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:21,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:21,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1303034289, now seen corresponding path program 1 times [2020-10-19 22:34:21,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:21,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190686109] [2020-10-19 22:34:21,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:21,453 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-19 22:34:21,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190686109] [2020-10-19 22:34:21,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:21,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:34:21,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239852939] [2020-10-19 22:34:21,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:21,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:21,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:21,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:21,460 INFO L87 Difference]: Start difference. First operand 1696 states and 2437 transitions. Second operand 3 states. [2020-10-19 22:34:22,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:22,542 INFO L93 Difference]: Finished difference Result 3384 states and 4863 transitions. [2020-10-19 22:34:22,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:22,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2020-10-19 22:34:22,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:22,551 INFO L225 Difference]: With dead ends: 3384 [2020-10-19 22:34:22,552 INFO L226 Difference]: Without dead ends: 1690 [2020-10-19 22:34:22,554 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 22:34:22,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2020-10-19 22:34:22,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1689. [2020-10-19 22:34:22,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1689 states. [2020-10-19 22:34:22,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 2246 transitions. [2020-10-19 22:34:22,590 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 2246 transitions. Word has length 179 [2020-10-19 22:34:22,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:22,591 INFO L481 AbstractCegarLoop]: Abstraction has 1689 states and 2246 transitions. [2020-10-19 22:34:22,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:22,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2246 transitions. [2020-10-19 22:34:22,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-19 22:34:22,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:22,596 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:34:22,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 22:34:22,597 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:22,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:22,597 INFO L82 PathProgramCache]: Analyzing trace with hash -809683235, now seen corresponding path program 1 times [2020-10-19 22:34:22,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:22,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760877888] [2020-10-19 22:34:22,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:22,678 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-19 22:34:22,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760877888] [2020-10-19 22:34:22,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:22,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:34:22,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572779826] [2020-10-19 22:34:22,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:22,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:22,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:22,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:22,681 INFO L87 Difference]: Start difference. First operand 1689 states and 2246 transitions. Second operand 3 states. [2020-10-19 22:34:24,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:24,085 INFO L93 Difference]: Finished difference Result 5003 states and 6656 transitions. [2020-10-19 22:34:24,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:24,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-10-19 22:34:24,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:24,108 INFO L225 Difference]: With dead ends: 5003 [2020-10-19 22:34:24,109 INFO L226 Difference]: Without dead ends: 3316 [2020-10-19 22:34:24,113 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 22:34:24,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3316 states. [2020-10-19 22:34:24,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3316 to 3313. [2020-10-19 22:34:24,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3313 states. [2020-10-19 22:34:24,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 4058 transitions. [2020-10-19 22:34:24,248 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 4058 transitions. Word has length 185 [2020-10-19 22:34:24,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:24,249 INFO L481 AbstractCegarLoop]: Abstraction has 3313 states and 4058 transitions. [2020-10-19 22:34:24,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:24,249 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 4058 transitions. [2020-10-19 22:34:24,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-19 22:34:24,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:24,260 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:34:24,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 22:34:24,261 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:24,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:24,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1125970657, now seen corresponding path program 1 times [2020-10-19 22:34:24,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:24,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768210483] [2020-10-19 22:34:24,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-19 22:34:24,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768210483] [2020-10-19 22:34:24,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:24,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:34:24,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56910219] [2020-10-19 22:34:24,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:24,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:24,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:24,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:24,420 INFO L87 Difference]: Start difference. First operand 3313 states and 4058 transitions. Second operand 3 states. [2020-10-19 22:34:24,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:24,960 INFO L93 Difference]: Finished difference Result 6592 states and 8071 transitions. [2020-10-19 22:34:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:24,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2020-10-19 22:34:24,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:24,978 INFO L225 Difference]: With dead ends: 6592 [2020-10-19 22:34:24,978 INFO L226 Difference]: Without dead ends: 3281 [2020-10-19 22:34:25,002 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 22:34:25,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3281 states. [2020-10-19 22:34:25,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3281 to 3281. [2020-10-19 22:34:25,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3281 states. [2020-10-19 22:34:25,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 3281 states and 3923 transitions. [2020-10-19 22:34:25,085 INFO L78 Accepts]: Start accepts. Automaton has 3281 states and 3923 transitions. Word has length 194 [2020-10-19 22:34:25,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:25,086 INFO L481 AbstractCegarLoop]: Abstraction has 3281 states and 3923 transitions. [2020-10-19 22:34:25,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:25,087 INFO L276 IsEmpty]: Start isEmpty. Operand 3281 states and 3923 transitions. [2020-10-19 22:34:25,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-19 22:34:25,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:25,096 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:25,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 22:34:25,097 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:25,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:25,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1297048930, now seen corresponding path program 1 times [2020-10-19 22:34:25,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:25,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652930392] [2020-10-19 22:34:25,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:25,633 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:34:25,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652930392] [2020-10-19 22:34:25,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:25,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:34:25,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575005560] [2020-10-19 22:34:25,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:25,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:25,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:25,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:25,635 INFO L87 Difference]: Start difference. First operand 3281 states and 3923 transitions. Second operand 3 states. [2020-10-19 22:34:26,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:26,802 INFO L93 Difference]: Finished difference Result 8194 states and 9779 transitions. [2020-10-19 22:34:26,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:26,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2020-10-19 22:34:26,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:26,825 INFO L225 Difference]: With dead ends: 8194 [2020-10-19 22:34:26,825 INFO L226 Difference]: Without dead ends: 4915 [2020-10-19 22:34:26,831 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 22:34:26,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4915 states. [2020-10-19 22:34:26,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4915 to 4914. [2020-10-19 22:34:26,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4914 states. [2020-10-19 22:34:26,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4914 states to 4914 states and 5808 transitions. [2020-10-19 22:34:26,993 INFO L78 Accepts]: Start accepts. Automaton has 4914 states and 5808 transitions. Word has length 200 [2020-10-19 22:34:26,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:26,994 INFO L481 AbstractCegarLoop]: Abstraction has 4914 states and 5808 transitions. [2020-10-19 22:34:26,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand 4914 states and 5808 transitions. [2020-10-19 22:34:27,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-19 22:34:27,009 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:27,009 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:34:27,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 22:34:27,010 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:27,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:27,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1181962127, now seen corresponding path program 1 times [2020-10-19 22:34:27,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:27,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423521494] [2020-10-19 22:34:27,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:27,220 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-19 22:34:27,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423521494] [2020-10-19 22:34:27,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:27,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:34:27,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309958885] [2020-10-19 22:34:27,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:27,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:27,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:27,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:27,224 INFO L87 Difference]: Start difference. First operand 4914 states and 5808 transitions. Second operand 3 states. [2020-10-19 22:34:28,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:28,250 INFO L93 Difference]: Finished difference Result 12262 states and 14746 transitions. [2020-10-19 22:34:28,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:28,251 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-10-19 22:34:28,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:28,281 INFO L225 Difference]: With dead ends: 12262 [2020-10-19 22:34:28,282 INFO L226 Difference]: Without dead ends: 7350 [2020-10-19 22:34:28,289 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 22:34:28,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7350 states. [2020-10-19 22:34:28,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7350 to 7350. [2020-10-19 22:34:28,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7350 states. [2020-10-19 22:34:28,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7350 states to 7350 states and 8444 transitions. [2020-10-19 22:34:28,428 INFO L78 Accepts]: Start accepts. Automaton has 7350 states and 8444 transitions. Word has length 207 [2020-10-19 22:34:28,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:28,428 INFO L481 AbstractCegarLoop]: Abstraction has 7350 states and 8444 transitions. [2020-10-19 22:34:28,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:28,429 INFO L276 IsEmpty]: Start isEmpty. Operand 7350 states and 8444 transitions. [2020-10-19 22:34:28,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-19 22:34:28,441 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:28,442 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:28,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 22:34:28,442 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:28,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:28,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1738333687, now seen corresponding path program 1 times [2020-10-19 22:34:28,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:28,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812305863] [2020-10-19 22:34:28,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:28,846 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 68 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-19 22:34:28,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812305863] [2020-10-19 22:34:28,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367538368] [2020-10-19 22:34:28,852 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 22:34:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:29,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:34:29,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:34:29,269 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-19 22:34:29,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:34:29,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:34:29,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475780632] [2020-10-19 22:34:29,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:29,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:29,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:29,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:34:29,272 INFO L87 Difference]: Start difference. First operand 7350 states and 8444 transitions. Second operand 3 states. [2020-10-19 22:34:30,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:30,415 INFO L93 Difference]: Finished difference Result 20191 states and 23244 transitions. [2020-10-19 22:34:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:30,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2020-10-19 22:34:30,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:30,456 INFO L225 Difference]: With dead ends: 20191 [2020-10-19 22:34:30,456 INFO L226 Difference]: Without dead ends: 12843 [2020-10-19 22:34:30,466 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:34:30,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12843 states. [2020-10-19 22:34:30,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12843 to 11210. [2020-10-19 22:34:30,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11210 states. [2020-10-19 22:34:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11210 states to 11210 states and 13001 transitions. [2020-10-19 22:34:30,729 INFO L78 Accepts]: Start accepts. Automaton has 11210 states and 13001 transitions. Word has length 235 [2020-10-19 22:34:30,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:30,730 INFO L481 AbstractCegarLoop]: Abstraction has 11210 states and 13001 transitions. [2020-10-19 22:34:30,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:30,731 INFO L276 IsEmpty]: Start isEmpty. Operand 11210 states and 13001 transitions. [2020-10-19 22:34:30,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-10-19 22:34:30,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:30,761 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 22:34:30,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-10-19 22:34:30,976 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:30,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:30,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1645629925, now seen corresponding path program 1 times [2020-10-19 22:34:30,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:30,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838902772] [2020-10-19 22:34:30,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:31,241 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:34:31,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838902772] [2020-10-19 22:34:31,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:31,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:34:31,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558936885] [2020-10-19 22:34:31,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:31,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:31,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:31,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:31,244 INFO L87 Difference]: Start difference. First operand 11210 states and 13001 transitions. Second operand 3 states. [2020-10-19 22:34:32,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:32,625 INFO L93 Difference]: Finished difference Result 28722 states and 33546 transitions. [2020-10-19 22:34:32,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:32,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 278 [2020-10-19 22:34:32,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:32,676 INFO L225 Difference]: With dead ends: 28722 [2020-10-19 22:34:32,677 INFO L226 Difference]: Without dead ends: 17514 [2020-10-19 22:34:32,692 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 22:34:32,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17514 states. [2020-10-19 22:34:33,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17514 to 17509. [2020-10-19 22:34:33,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17509 states. [2020-10-19 22:34:33,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17509 states to 17509 states and 20168 transitions. [2020-10-19 22:34:33,502 INFO L78 Accepts]: Start accepts. Automaton has 17509 states and 20168 transitions. Word has length 278 [2020-10-19 22:34:33,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:33,502 INFO L481 AbstractCegarLoop]: Abstraction has 17509 states and 20168 transitions. [2020-10-19 22:34:33,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:33,503 INFO L276 IsEmpty]: Start isEmpty. Operand 17509 states and 20168 transitions. [2020-10-19 22:34:33,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-10-19 22:34:33,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:33,545 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:34:33,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 22:34:33,545 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:33,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:33,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1752857269, now seen corresponding path program 1 times [2020-10-19 22:34:33,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:33,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846913401] [2020-10-19 22:34:33,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:33,893 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-19 22:34:33,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846913401] [2020-10-19 22:34:33,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:33,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:34:33,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296761532] [2020-10-19 22:34:33,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 22:34:33,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:33,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 22:34:33,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:34:33,896 INFO L87 Difference]: Start difference. First operand 17509 states and 20168 transitions. Second operand 4 states. [2020-10-19 22:34:36,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:36,145 INFO L93 Difference]: Finished difference Result 37466 states and 43159 transitions. [2020-10-19 22:34:36,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 22:34:36,146 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 284 [2020-10-19 22:34:36,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:36,260 INFO L225 Difference]: With dead ends: 37466 [2020-10-19 22:34:36,260 INFO L226 Difference]: Without dead ends: 19959 [2020-10-19 22:34:36,281 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 22:34:36,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19959 states. [2020-10-19 22:34:36,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19959 to 19951. [2020-10-19 22:34:36,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19951 states. [2020-10-19 22:34:36,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19951 states to 19951 states and 22877 transitions. [2020-10-19 22:34:36,590 INFO L78 Accepts]: Start accepts. Automaton has 19951 states and 22877 transitions. Word has length 284 [2020-10-19 22:34:36,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:36,591 INFO L481 AbstractCegarLoop]: Abstraction has 19951 states and 22877 transitions. [2020-10-19 22:34:36,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 22:34:36,591 INFO L276 IsEmpty]: Start isEmpty. Operand 19951 states and 22877 transitions. [2020-10-19 22:34:36,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-10-19 22:34:36,622 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:36,622 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:34:36,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 22:34:36,623 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:36,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:36,623 INFO L82 PathProgramCache]: Analyzing trace with hash 138173679, now seen corresponding path program 1 times [2020-10-19 22:34:36,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:36,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637826555] [2020-10-19 22:34:36,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:36,883 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 97 proven. 6 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-10-19 22:34:36,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637826555] [2020-10-19 22:34:36,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324119054] [2020-10-19 22:34:36,884 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 22:34:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:37,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:34:37,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:34:37,363 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-10-19 22:34:37,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:34:37,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:34:37,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322449774] [2020-10-19 22:34:37,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:37,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:37,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:37,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:34:37,366 INFO L87 Difference]: Start difference. First operand 19951 states and 22877 transitions. Second operand 3 states. [2020-10-19 22:34:38,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:38,573 INFO L93 Difference]: Finished difference Result 39902 states and 45757 transitions. [2020-10-19 22:34:38,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:38,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 290 [2020-10-19 22:34:38,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:38,575 INFO L225 Difference]: With dead ends: 39902 [2020-10-19 22:34:38,575 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 22:34:38,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:34:38,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 22:34:38,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 22:34:38,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 22:34:38,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 22:34:38,603 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 290 [2020-10-19 22:34:38,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:38,603 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 22:34:38,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:38,603 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 22:34:38,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 22:34:38,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-19 22:34:38,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 22:34:39,192 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2020-10-19 22:34:39,333 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2020-10-19 22:34:39,338 INFO L274 CegarLoopResult]: For program point L1621-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,338 INFO L274 CegarLoopResult]: For program point L1555-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,338 INFO L274 CegarLoopResult]: For program point L1489-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,338 INFO L274 CegarLoopResult]: For program point L763(lines 763 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,338 INFO L274 CegarLoopResult]: For program point L1622(line 1622) no Hoare annotation was computed. [2020-10-19 22:34:39,338 INFO L274 CegarLoopResult]: For program point L1556(line 1556) no Hoare annotation was computed. [2020-10-19 22:34:39,338 INFO L274 CegarLoopResult]: For program point L499(lines 499 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,339 INFO L274 CegarLoopResult]: For program point L1490(line 1490) no Hoare annotation was computed. [2020-10-19 22:34:39,339 INFO L274 CegarLoopResult]: For program point L235(lines 235 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,339 INFO L274 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-10-19 22:34:39,339 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2020-10-19 22:34:39,340 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,340 INFO L274 CegarLoopResult]: For program point L368(lines 368 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,340 INFO L274 CegarLoopResult]: For program point L1624-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,340 INFO L274 CegarLoopResult]: For program point L1558-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,340 INFO L274 CegarLoopResult]: For program point L1492-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,340 INFO L274 CegarLoopResult]: For program point L303(lines 303 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,341 INFO L274 CegarLoopResult]: For program point L1228(lines 1228 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,341 INFO L274 CegarLoopResult]: For program point L1625(line 1625) no Hoare annotation was computed. [2020-10-19 22:34:39,341 INFO L274 CegarLoopResult]: For program point L568(lines 568 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,341 INFO L274 CegarLoopResult]: For program point L1559(line 1559) no Hoare annotation was computed. [2020-10-19 22:34:39,341 INFO L274 CegarLoopResult]: For program point L1493(line 1493) no Hoare annotation was computed. [2020-10-19 22:34:39,341 INFO L274 CegarLoopResult]: For program point L436(lines 436 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,342 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,342 INFO L274 CegarLoopResult]: For program point L1097(lines 1097 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,342 INFO L274 CegarLoopResult]: For program point L635(lines 635 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,342 INFO L274 CegarLoopResult]: For program point L1362(lines 1362 1381) no Hoare annotation was computed. [2020-10-19 22:34:39,342 INFO L274 CegarLoopResult]: For program point L1362-2(lines 1362 1381) no Hoare annotation was computed. [2020-10-19 22:34:39,342 INFO L274 CegarLoopResult]: For program point L1164(lines 1164 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,343 INFO L274 CegarLoopResult]: For program point L107(lines 107 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,343 INFO L274 CegarLoopResult]: For program point L1627-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,343 INFO L274 CegarLoopResult]: For program point L1561-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,343 INFO L274 CegarLoopResult]: For program point L1495-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,343 INFO L274 CegarLoopResult]: For program point L240(lines 240 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,344 INFO L274 CegarLoopResult]: For program point L174(lines 174 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,344 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,344 INFO L274 CegarLoopResult]: For program point L901(lines 901 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,344 INFO L274 CegarLoopResult]: For program point L703(lines 703 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,344 INFO L274 CegarLoopResult]: For program point L1628(line 1628) no Hoare annotation was computed. [2020-10-19 22:34:39,345 INFO L274 CegarLoopResult]: For program point L1562(line 1562) no Hoare annotation was computed. [2020-10-19 22:34:39,345 INFO L274 CegarLoopResult]: For program point L1496(line 1496) no Hoare annotation was computed. [2020-10-19 22:34:39,345 INFO L274 CegarLoopResult]: For program point L968(lines 968 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,345 INFO L274 CegarLoopResult]: For program point L771(lines 771 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,346 INFO L274 CegarLoopResult]: For program point L1630-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,346 INFO L274 CegarLoopResult]: For program point L1564-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,346 INFO L274 CegarLoopResult]: For program point L1498-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,346 INFO L274 CegarLoopResult]: For program point L838(lines 838 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,347 INFO L274 CegarLoopResult]: For program point L1631(line 1631) no Hoare annotation was computed. [2020-10-19 22:34:39,347 INFO L274 CegarLoopResult]: For program point L1565(line 1565) no Hoare annotation was computed. [2020-10-19 22:34:39,347 INFO L274 CegarLoopResult]: For program point L1499(line 1499) no Hoare annotation was computed. [2020-10-19 22:34:39,347 INFO L274 CegarLoopResult]: For program point L443(lines 443 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,347 INFO L274 CegarLoopResult]: For program point L1434(lines 1434 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,348 INFO L274 CegarLoopResult]: For program point L576(lines 576 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,348 INFO L274 CegarLoopResult]: For program point L1633-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,348 INFO L274 CegarLoopResult]: For program point L1567-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,348 INFO L274 CegarLoopResult]: For program point L1501-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,349 INFO L274 CegarLoopResult]: For program point L1634(line 1634) no Hoare annotation was computed. [2020-10-19 22:34:39,349 INFO L274 CegarLoopResult]: For program point L1568(line 1568) no Hoare annotation was computed. [2020-10-19 22:34:39,349 INFO L274 CegarLoopResult]: For program point L1502(line 1502) no Hoare annotation was computed. [2020-10-19 22:34:39,349 INFO L274 CegarLoopResult]: For program point L379(lines 379 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,350 INFO L274 CegarLoopResult]: For program point L1106(lines 1106 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,350 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,350 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-10-19 22:34:39,350 INFO L274 CegarLoopResult]: For program point L314(lines 314 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,350 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 397) no Hoare annotation was computed. [2020-10-19 22:34:39,351 INFO L274 CegarLoopResult]: For program point L1239(lines 1239 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,351 INFO L274 CegarLoopResult]: For program point L116(lines 116 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,351 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1061) no Hoare annotation was computed. [2020-10-19 22:34:39,351 INFO L274 CegarLoopResult]: For program point L1041-2(lines 1041 1061) no Hoare annotation was computed. [2020-10-19 22:34:39,351 INFO L274 CegarLoopResult]: For program point L909(lines 909 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,352 INFO L274 CegarLoopResult]: For program point L711(lines 711 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,352 INFO L274 CegarLoopResult]: For program point L645(lines 645 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,352 INFO L274 CegarLoopResult]: For program point L1636-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,352 INFO L274 CegarLoopResult]: For program point L1570-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,353 INFO L274 CegarLoopResult]: For program point L1504-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,353 INFO L274 CegarLoopResult]: For program point L183(lines 183 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,353 INFO L274 CegarLoopResult]: For program point L712(lines 712 733) no Hoare annotation was computed. [2020-10-19 22:34:39,353 INFO L274 CegarLoopResult]: For program point L712-2(lines 712 733) no Hoare annotation was computed. [2020-10-19 22:34:39,353 INFO L274 CegarLoopResult]: For program point L1637(line 1637) no Hoare annotation was computed. [2020-10-19 22:34:39,354 INFO L274 CegarLoopResult]: For program point L1571(line 1571) no Hoare annotation was computed. [2020-10-19 22:34:39,354 INFO L274 CegarLoopResult]: For program point L1505(line 1505) no Hoare annotation was computed. [2020-10-19 22:34:39,354 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,354 INFO L274 CegarLoopResult]: For program point L250(lines 250 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,355 INFO L274 CegarLoopResult]: For program point L1175(lines 1175 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,355 INFO L274 CegarLoopResult]: For program point L977(lines 977 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,355 INFO L274 CegarLoopResult]: For program point L779(lines 779 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,355 INFO L274 CegarLoopResult]: For program point L515(lines 515 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,355 INFO L274 CegarLoopResult]: For program point L846(lines 846 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,355 INFO L274 CegarLoopResult]: For program point L1639-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,356 INFO L274 CegarLoopResult]: For program point L1573-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,356 INFO L274 CegarLoopResult]: For program point L1507-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,356 INFO L274 CegarLoopResult]: For program point L1640(line 1640) no Hoare annotation was computed. [2020-10-19 22:34:39,356 INFO L274 CegarLoopResult]: For program point L1574(line 1574) no Hoare annotation was computed. [2020-10-19 22:34:39,356 INFO L274 CegarLoopResult]: For program point L1508(line 1508) no Hoare annotation was computed. [2020-10-19 22:34:39,356 INFO L274 CegarLoopResult]: For program point L452(lines 452 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,357 INFO L274 CegarLoopResult]: For program point L585(lines 585 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,357 INFO L274 CegarLoopResult]: For program point L1642-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,357 INFO L274 CegarLoopResult]: For program point L1576-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,357 INFO L274 CegarLoopResult]: For program point L1510-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,357 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,357 INFO L274 CegarLoopResult]: For program point L321(lines 321 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,358 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,358 INFO L274 CegarLoopResult]: For program point L57(lines 57 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,358 INFO L274 CegarLoopResult]: For program point L1643(line 1643) no Hoare annotation was computed. [2020-10-19 22:34:39,358 INFO L274 CegarLoopResult]: For program point L1577(line 1577) no Hoare annotation was computed. [2020-10-19 22:34:39,359 INFO L274 CegarLoopResult]: For program point L1511(line 1511) no Hoare annotation was computed. [2020-10-19 22:34:39,359 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 22:34:39,359 INFO L274 CegarLoopResult]: For program point L58(lines 58 73) no Hoare annotation was computed. [2020-10-19 22:34:39,359 INFO L274 CegarLoopResult]: For program point L58-2(lines 58 73) no Hoare annotation was computed. [2020-10-19 22:34:39,359 INFO L274 CegarLoopResult]: For program point L786(lines 786 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,360 INFO L274 CegarLoopResult]: For program point L1645-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,360 INFO L274 CegarLoopResult]: For program point L1579-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,360 INFO L274 CegarLoopResult]: For program point L1513-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,360 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,361 INFO L274 CegarLoopResult]: For program point L985(lines 985 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,361 INFO L274 CegarLoopResult]: For program point L919(lines 919 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,361 INFO L274 CegarLoopResult]: For program point L655(lines 655 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,362 INFO L274 CegarLoopResult]: For program point L1646(line 1646) no Hoare annotation was computed. [2020-10-19 22:34:39,362 INFO L274 CegarLoopResult]: For program point L1580(line 1580) no Hoare annotation was computed. [2020-10-19 22:34:39,362 INFO L274 CegarLoopResult]: For program point L1514(line 1514) no Hoare annotation was computed. [2020-10-19 22:34:39,362 INFO L274 CegarLoopResult]: For program point L259(lines 259 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,362 INFO L274 CegarLoopResult]: For program point L193(lines 193 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,362 INFO L274 CegarLoopResult]: For program point L1184(lines 1184 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,363 INFO L274 CegarLoopResult]: For program point L920(lines 920 937) no Hoare annotation was computed. [2020-10-19 22:34:39,363 INFO L274 CegarLoopResult]: For program point L920-2(lines 920 937) no Hoare annotation was computed. [2020-10-19 22:34:39,363 INFO L274 CegarLoopResult]: For program point L524(lines 524 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,363 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,363 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,363 INFO L274 CegarLoopResult]: For program point L194(lines 194 213) no Hoare annotation was computed. [2020-10-19 22:34:39,364 INFO L274 CegarLoopResult]: For program point L128(lines 128 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,364 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 213) no Hoare annotation was computed. [2020-10-19 22:34:39,364 INFO L274 CegarLoopResult]: For program point L855(lines 855 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,364 INFO L274 CegarLoopResult]: For program point L1648-1(lines 1648 1650) no Hoare annotation was computed. [2020-10-19 22:34:39,364 INFO L274 CegarLoopResult]: For program point L1582-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,364 INFO L274 CegarLoopResult]: For program point L1516-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,365 INFO L274 CegarLoopResult]: For program point L1384(lines 1384 1402) no Hoare annotation was computed. [2020-10-19 22:34:39,365 INFO L274 CegarLoopResult]: For program point L1384-2(lines 1384 1402) no Hoare annotation was computed. [2020-10-19 22:34:39,365 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1274) no Hoare annotation was computed. [2020-10-19 22:34:39,365 INFO L274 CegarLoopResult]: For program point L1252-2(lines 1252 1274) no Hoare annotation was computed. [2020-10-19 22:34:39,365 INFO L274 CegarLoopResult]: For program point L1649(line 1649) no Hoare annotation was computed. [2020-10-19 22:34:39,365 INFO L274 CegarLoopResult]: For program point L1583(line 1583) no Hoare annotation was computed. [2020-10-19 22:34:39,366 INFO L274 CegarLoopResult]: For program point L1517(line 1517) no Hoare annotation was computed. [2020-10-19 22:34:39,366 INFO L274 CegarLoopResult]: For program point L460(lines 460 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,366 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,366 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 22:34:39,366 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 22:34:39,366 INFO L274 CegarLoopResult]: For program point L660(lines 660 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,367 INFO L270 CegarLoopResult]: At program point L1651(lines 56 1652) the Hoare annotation is: (let ((.cse0 (= ~a12~0 1)) (.cse2 (= ~a11~0 1)) (.cse1 (= ~a5~0 1)) (.cse4 (<= ~a12~0 0)) (.cse3 (= ~a11~0 0))) (or (and .cse0 .cse1 (= ~a3~0 0) .cse2) (and .cse0 .cse1 .cse3) (and .cse0 .cse1 .cse2 (<= ~a6~0 0)) (and .cse0 .cse1 (= ~a27~0 1) .cse2) (and .cse0 .cse1 (<= ~a26~0 0) .cse2 (= ~a3~0 1)) (and .cse1 .cse4 .cse2) (and .cse1 .cse4 .cse3))) [2020-10-19 22:34:39,367 INFO L274 CegarLoopResult]: For program point L594(lines 594 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,367 INFO L274 CegarLoopResult]: For program point L1585-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,367 INFO L274 CegarLoopResult]: For program point L1519-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,368 INFO L274 CegarLoopResult]: For program point L1586(line 1586) no Hoare annotation was computed. [2020-10-19 22:34:39,368 INFO L274 CegarLoopResult]: For program point L1520(line 1520) no Hoare annotation was computed. [2020-10-19 22:34:39,368 INFO L274 CegarLoopResult]: For program point L1454(lines 1454 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,368 INFO L274 CegarLoopResult]: For program point L331(lines 331 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,368 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,368 INFO L277 CegarLoopResult]: At program point L1654(lines 1654 1671) the Hoare annotation is: true [2020-10-19 22:34:39,369 INFO L274 CegarLoopResult]: For program point L531(lines 531 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,369 INFO L274 CegarLoopResult]: For program point L1588-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,369 INFO L274 CegarLoopResult]: For program point L1522-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,369 INFO L274 CegarLoopResult]: For program point L399(lines 399 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,369 INFO L274 CegarLoopResult]: For program point L267(lines 267 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,370 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,370 INFO L274 CegarLoopResult]: For program point L1589(line 1589) no Hoare annotation was computed. [2020-10-19 22:34:39,370 INFO L274 CegarLoopResult]: For program point L1523(line 1523) no Hoare annotation was computed. [2020-10-19 22:34:39,370 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 22:34:39,370 INFO L274 CegarLoopResult]: For program point L797(lines 797 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,370 INFO L274 CegarLoopResult]: For program point L137(lines 137 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,370 INFO L274 CegarLoopResult]: For program point L996(lines 996 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,371 INFO L274 CegarLoopResult]: For program point L1591-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,371 INFO L274 CegarLoopResult]: For program point L1525-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,371 INFO L274 CegarLoopResult]: For program point L1129(lines 1129 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,371 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,371 INFO L274 CegarLoopResult]: For program point L865(lines 865 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,371 INFO L274 CegarLoopResult]: For program point L667(lines 667 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,372 INFO L274 CegarLoopResult]: For program point L1592(line 1592) no Hoare annotation was computed. [2020-10-19 22:34:39,372 INFO L274 CegarLoopResult]: For program point L1526(line 1526) no Hoare annotation was computed. [2020-10-19 22:34:39,372 INFO L274 CegarLoopResult]: For program point L469(lines 469 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,372 INFO L274 CegarLoopResult]: For program point L1328(lines 1328 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,372 INFO L274 CegarLoopResult]: For program point L470(lines 470 480) no Hoare annotation was computed. [2020-10-19 22:34:39,372 INFO L274 CegarLoopResult]: For program point L470-2(lines 470 480) no Hoare annotation was computed. [2020-10-19 22:34:39,373 INFO L274 CegarLoopResult]: For program point L735(lines 735 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,373 INFO L270 CegarLoopResult]: At program point L1660-2(lines 1660 1670) the Hoare annotation is: (let ((.cse0 (= ~a12~0 1)) (.cse2 (= ~a11~0 1)) (.cse1 (= ~a5~0 1)) (.cse4 (<= ~a12~0 0)) (.cse3 (= ~a11~0 0))) (or (and .cse0 .cse1 (= ~a3~0 0) .cse2) (and .cse0 .cse1 .cse3) (and .cse0 .cse1 .cse2 (<= ~a6~0 0)) (and .cse0 .cse1 (= ~a27~0 1) .cse2) (and .cse0 .cse1 (<= ~a26~0 0) .cse2 (= ~a3~0 1)) (and .cse1 .cse4 .cse2) (and .cse1 .cse4 .cse3))) [2020-10-19 22:34:39,374 INFO L274 CegarLoopResult]: For program point L1594-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,374 INFO L274 CegarLoopResult]: For program point L1528-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,374 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,374 INFO L274 CegarLoopResult]: For program point L75(lines 75 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,374 INFO L274 CegarLoopResult]: For program point L1595(line 1595) no Hoare annotation was computed. [2020-10-19 22:34:39,375 INFO L274 CegarLoopResult]: For program point L1529(line 1529) no Hoare annotation was computed. [2020-10-19 22:34:39,375 INFO L274 CegarLoopResult]: For program point L605(lines 605 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,375 INFO L274 CegarLoopResult]: For program point L407(lines 407 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,375 INFO L274 CegarLoopResult]: For program point L341(lines 341 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,375 INFO L274 CegarLoopResult]: For program point L1134(lines 1134 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,375 INFO L274 CegarLoopResult]: For program point L1068(lines 1068 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,376 INFO L274 CegarLoopResult]: For program point L870(lines 870 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,376 INFO L274 CegarLoopResult]: For program point L1597-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,376 INFO L274 CegarLoopResult]: For program point L1531-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,376 INFO L274 CegarLoopResult]: For program point L871(lines 871 889) no Hoare annotation was computed. [2020-10-19 22:34:39,376 INFO L274 CegarLoopResult]: For program point L871-2(lines 871 889) no Hoare annotation was computed. [2020-10-19 22:34:39,376 INFO L274 CegarLoopResult]: For program point L1598(line 1598) no Hoare annotation was computed. [2020-10-19 22:34:39,376 INFO L274 CegarLoopResult]: For program point L541(lines 541 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,377 INFO L274 CegarLoopResult]: For program point L1532(line 1532) no Hoare annotation was computed. [2020-10-19 22:34:39,377 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,377 INFO L274 CegarLoopResult]: For program point L806(lines 806 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,377 INFO L274 CegarLoopResult]: For program point L1665(line 1665) no Hoare annotation was computed. [2020-10-19 22:34:39,377 INFO L274 CegarLoopResult]: For program point L278(lines 278 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,377 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,378 INFO L274 CegarLoopResult]: For program point L939(lines 939 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,378 INFO L274 CegarLoopResult]: For program point L1600-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,378 INFO L274 CegarLoopResult]: For program point L1534-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,378 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1470) no Hoare annotation was computed. [2020-10-19 22:34:39,378 INFO L274 CegarLoopResult]: For program point L1468-2(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,378 INFO L274 CegarLoopResult]: For program point L1601(line 1601) no Hoare annotation was computed. [2020-10-19 22:34:39,379 INFO L274 CegarLoopResult]: For program point L1535(line 1535) no Hoare annotation was computed. [2020-10-19 22:34:39,379 INFO L274 CegarLoopResult]: For program point L1469(line 1469) no Hoare annotation was computed. [2020-10-19 22:34:39,379 INFO L274 CegarLoopResult]: For program point L148(lines 148 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,379 INFO L274 CegarLoopResult]: For program point L677(lines 677 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,379 INFO L274 CegarLoopResult]: For program point L1404(lines 1404 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,379 INFO L274 CegarLoopResult]: For program point L1338(lines 1338 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,380 INFO L274 CegarLoopResult]: For program point L215(lines 215 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,380 INFO L274 CegarLoopResult]: For program point L1603-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,380 INFO L274 CegarLoopResult]: For program point L1537-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,380 INFO L274 CegarLoopResult]: For program point L1471-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,380 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1423) no Hoare annotation was computed. [2020-10-19 22:34:39,380 INFO L274 CegarLoopResult]: For program point L1405-2(lines 1405 1423) no Hoare annotation was computed. [2020-10-19 22:34:39,381 INFO L274 CegarLoopResult]: For program point L84(lines 84 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,381 INFO L274 CegarLoopResult]: For program point L745(lines 745 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,381 INFO L274 CegarLoopResult]: For program point L1604(line 1604) no Hoare annotation was computed. [2020-10-19 22:34:39,381 INFO L274 CegarLoopResult]: For program point L1538(line 1538) no Hoare annotation was computed. [2020-10-19 22:34:39,381 INFO L274 CegarLoopResult]: For program point L1472(line 1472) no Hoare annotation was computed. [2020-10-19 22:34:39,381 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,382 INFO L274 CegarLoopResult]: For program point L548(lines 548 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,382 INFO L274 CegarLoopResult]: For program point L482(lines 482 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,382 INFO L274 CegarLoopResult]: For program point L416(lines 416 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,382 INFO L274 CegarLoopResult]: For program point L350(lines 350 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,382 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 22:34:39,382 INFO L274 CegarLoopResult]: For program point L1606-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,383 INFO L274 CegarLoopResult]: For program point L1540-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,383 INFO L274 CegarLoopResult]: For program point L1474-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,383 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,383 INFO L274 CegarLoopResult]: For program point L1144(lines 1144 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,383 INFO L274 CegarLoopResult]: For program point L616(lines 616 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,383 INFO L274 CegarLoopResult]: For program point L1607(line 1607) no Hoare annotation was computed. [2020-10-19 22:34:39,383 INFO L274 CegarLoopResult]: For program point L1541(line 1541) no Hoare annotation was computed. [2020-10-19 22:34:39,384 INFO L274 CegarLoopResult]: For program point L1475(line 1475) no Hoare annotation was computed. [2020-10-19 22:34:39,384 INFO L274 CegarLoopResult]: For program point L286(lines 286 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,385 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,385 INFO L274 CegarLoopResult]: For program point L815(lines 815 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,386 INFO L274 CegarLoopResult]: For program point L1212(lines 1212 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,386 INFO L274 CegarLoopResult]: For program point L1609-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,386 INFO L274 CegarLoopResult]: For program point L1543-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,386 INFO L274 CegarLoopResult]: For program point L1477-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,387 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1226) no Hoare annotation was computed. [2020-10-19 22:34:39,387 INFO L274 CegarLoopResult]: For program point L1213-2(lines 1213 1226) no Hoare annotation was computed. [2020-10-19 22:34:39,387 INFO L274 CegarLoopResult]: For program point L949(lines 949 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,388 INFO L274 CegarLoopResult]: For program point L1610(line 1610) no Hoare annotation was computed. [2020-10-19 22:34:39,389 INFO L274 CegarLoopResult]: For program point L1544(line 1544) no Hoare annotation was computed. [2020-10-19 22:34:39,389 INFO L274 CegarLoopResult]: For program point L1478(line 1478) no Hoare annotation was computed. [2020-10-19 22:34:39,389 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,389 INFO L274 CegarLoopResult]: For program point L157(lines 157 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,390 INFO L274 CegarLoopResult]: For program point L91(lines 91 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,390 INFO L274 CegarLoopResult]: For program point L686(lines 686 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,390 INFO L274 CegarLoopResult]: For program point L224(lines 224 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,390 INFO L274 CegarLoopResult]: For program point L687(lines 687 701) no Hoare annotation was computed. [2020-10-19 22:34:39,390 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 701) no Hoare annotation was computed. [2020-10-19 22:34:39,390 INFO L274 CegarLoopResult]: For program point L1612-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,390 INFO L274 CegarLoopResult]: For program point L1546-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,391 INFO L274 CegarLoopResult]: For program point L1480-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,391 INFO L274 CegarLoopResult]: For program point L1613(line 1613) no Hoare annotation was computed. [2020-10-19 22:34:39,391 INFO L274 CegarLoopResult]: For program point L1547(line 1547) no Hoare annotation was computed. [2020-10-19 22:34:39,391 INFO L274 CegarLoopResult]: For program point L490(lines 490 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,391 INFO L274 CegarLoopResult]: For program point L1481(line 1481) no Hoare annotation was computed. [2020-10-19 22:34:39,391 INFO L274 CegarLoopResult]: For program point L424(lines 424 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,391 INFO L274 CegarLoopResult]: For program point L358(lines 358 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,392 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 22:34:39,392 INFO L274 CegarLoopResult]: For program point L755(lines 755 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,392 INFO L274 CegarLoopResult]: For program point L624(lines 624 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,392 INFO L274 CegarLoopResult]: For program point L558(lines 558 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,392 INFO L274 CegarLoopResult]: For program point L1615-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,392 INFO L274 CegarLoopResult]: For program point L1549-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,393 INFO L274 CegarLoopResult]: For program point L1483-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,393 INFO L274 CegarLoopResult]: For program point L294(lines 294 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,393 INFO L274 CegarLoopResult]: For program point L1285(lines 1285 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,393 INFO L274 CegarLoopResult]: For program point L1616(line 1616) no Hoare annotation was computed. [2020-10-19 22:34:39,393 INFO L274 CegarLoopResult]: For program point L1550(line 1550) no Hoare annotation was computed. [2020-10-19 22:34:39,393 INFO L274 CegarLoopResult]: For program point L1484(line 1484) no Hoare annotation was computed. [2020-10-19 22:34:39,394 INFO L274 CegarLoopResult]: For program point L1352(lines 1352 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,394 INFO L274 CegarLoopResult]: For program point L1286(lines 1286 1305) no Hoare annotation was computed. [2020-10-19 22:34:39,394 INFO L274 CegarLoopResult]: For program point L1286-2(lines 1286 1305) no Hoare annotation was computed. [2020-10-19 22:34:39,394 INFO L274 CegarLoopResult]: For program point L1154(lines 1154 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,394 INFO L274 CegarLoopResult]: For program point L97(lines 97 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,394 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,395 INFO L274 CegarLoopResult]: For program point L1023(lines 1023 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,395 INFO L274 CegarLoopResult]: For program point L957(lines 957 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,395 INFO L274 CegarLoopResult]: For program point L891(lines 891 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,395 INFO L274 CegarLoopResult]: For program point L1618-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,395 INFO L274 CegarLoopResult]: For program point L1552-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,395 INFO L274 CegarLoopResult]: For program point L1486-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:39,395 INFO L274 CegarLoopResult]: For program point L1619(line 1619) no Hoare annotation was computed. [2020-10-19 22:34:39,396 INFO L274 CegarLoopResult]: For program point L1553(line 1553) no Hoare annotation was computed. [2020-10-19 22:34:39,396 INFO L274 CegarLoopResult]: For program point L1487(line 1487) no Hoare annotation was computed. [2020-10-19 22:34:39,396 INFO L274 CegarLoopResult]: For program point L166(lines 166 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,396 INFO L274 CegarLoopResult]: For program point L827(lines 827 1467) no Hoare annotation was computed. [2020-10-19 22:34:39,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:34:39 BoogieIcfgContainer [2020-10-19 22:34:39,422 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:34:39,423 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:34:39,423 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:34:39,423 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:34:39,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:34:16" (3/4) ... [2020-10-19 22:34:39,428 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 22:34:39,462 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 22:34:39,465 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 22:34:39,469 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:34:39,473 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:34:39,789 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:34:39,789 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:34:39,793 INFO L168 Benchmark]: Toolchain (without parser) took 27613.75 ms. Allocated memory was 39.3 MB in the beginning and 371.2 MB in the end (delta: 331.9 MB). Free memory was 12.4 MB in the beginning and 128.3 MB in the end (delta: -115.9 MB). Peak memory consumption was 216.0 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:39,795 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 30.4 MB. Free memory was 6.6 MB in the beginning and 6.6 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. [2020-10-19 22:34:39,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1200.31 ms. Allocated memory was 40.4 MB in the beginning and 45.1 MB in the end (delta: 4.7 MB). Free memory was 22.5 MB in the beginning and 11.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:39,796 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.63 ms. Allocated memory was 45.1 MB in the beginning and 48.8 MB in the end (delta: 3.7 MB). Free memory was 11.4 MB in the beginning and 16.0 MB in the end (delta: -4.7 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:39,796 INFO L168 Benchmark]: Boogie Preprocessor took 366.50 ms. Allocated memory was 48.8 MB in the beginning and 59.2 MB in the end (delta: 10.5 MB). Free memory was 16.0 MB in the beginning and 28.7 MB in the end (delta: -12.7 MB). Peak memory consumption was 17.3 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:39,797 INFO L168 Benchmark]: RCFGBuilder took 2308.80 ms. Allocated memory was 59.2 MB in the beginning and 95.9 MB in the end (delta: 36.7 MB). Free memory was 28.7 MB in the beginning and 35.1 MB in the end (delta: -6.4 MB). Peak memory consumption was 46.2 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:39,797 INFO L168 Benchmark]: TraceAbstraction took 23172.78 ms. Allocated memory was 95.9 MB in the beginning and 371.2 MB in the end (delta: 275.3 MB). Free memory was 34.4 MB in the beginning and 179.2 MB in the end (delta: -144.8 MB). Peak memory consumption was 250.1 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:39,798 INFO L168 Benchmark]: Witness Printer took 366.35 ms. Allocated memory is still 371.2 MB. Free memory was 179.2 MB in the beginning and 128.3 MB in the end (delta: 50.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:39,802 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 30.4 MB. Free memory was 6.6 MB in the beginning and 6.6 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1200.31 ms. Allocated memory was 40.4 MB in the beginning and 45.1 MB in the end (delta: 4.7 MB). Free memory was 22.5 MB in the beginning and 11.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 178.63 ms. Allocated memory was 45.1 MB in the beginning and 48.8 MB in the end (delta: 3.7 MB). Free memory was 11.4 MB in the beginning and 16.0 MB in the end (delta: -4.7 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 366.50 ms. Allocated memory was 48.8 MB in the beginning and 59.2 MB in the end (delta: 10.5 MB). Free memory was 16.0 MB in the beginning and 28.7 MB in the end (delta: -12.7 MB). Peak memory consumption was 17.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2308.80 ms. Allocated memory was 59.2 MB in the beginning and 95.9 MB in the end (delta: 36.7 MB). Free memory was 28.7 MB in the beginning and 35.1 MB in the end (delta: -6.4 MB). Peak memory consumption was 46.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 23172.78 ms. Allocated memory was 95.9 MB in the beginning and 371.2 MB in the end (delta: 275.3 MB). Free memory was 34.4 MB in the beginning and 179.2 MB in the end (delta: -144.8 MB). Peak memory consumption was 250.1 MB. Max. memory is 14.3 GB. * Witness Printer took 366.35 ms. Allocated memory is still 371.2 MB. Free memory was 179.2 MB in the beginning and 128.3 MB in the end (delta: 50.9 MB). Peak memory consumption was 50.9 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: 56]: Loop Invariant Derived loop invariant: ((((((((a12 == 1 && a5 == 1) && a3 == 0) && a11 == 1) || ((a12 == 1 && a5 == 1) && a11 == 0)) || (((a12 == 1 && a5 == 1) && a11 == 1) && a6 <= 0)) || (((a12 == 1 && a5 == 1) && a27 == 1) && a11 == 1)) || ((((a12 == 1 && a5 == 1) && a26 <= 0) && a11 == 1) && a3 == 1)) || ((a5 == 1 && a12 <= 0) && a11 == 1)) || ((a5 == 1 && a12 <= 0) && a11 == 0) - InvariantResult [Line: 1654]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1660]: Loop Invariant Derived loop invariant: ((((((((a12 == 1 && a5 == 1) && a3 == 0) && a11 == 1) || ((a12 == 1 && a5 == 1) && a11 == 0)) || (((a12 == 1 && a5 == 1) && a11 == 1) && a6 <= 0)) || (((a12 == 1 && a5 == 1) && a27 == 1) && a11 == 1)) || ((((a12 == 1 && a5 == 1) && a26 <= 0) && a11 == 1) && a3 == 1)) || ((a5 == 1 && a12 <= 0) && a11 == 1)) || ((a5 == 1 && a12 <= 0) && a11 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.5s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 15.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1960 SDtfs, 2589 SDslu, 252 SDs, 0 SdLazy, 7253 SolverSat, 1454 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 553 GetRequests, 536 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19951occurred in iteration=11, 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, 1675 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 141 NumberOfFragments, 173 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2236 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 352 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 3067 NumberOfCodeBlocks, 3067 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3053 ConstructedInterpolants, 0 QuantifiedInterpolants, 1251895 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1070 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 1188/1200 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...