./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label52.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/Problem02_label52.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 62fbd1eb48cafbc2aae54d543a7cd80548e8a377 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:31:41,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:31:41,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:31:41,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:31:41,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:31:41,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:31:41,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:31:41,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:31:41,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:31:41,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:31:41,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:31:41,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:31:41,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:31:41,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:31:41,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:31:41,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:31:41,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:31:41,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:31:41,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:31:41,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:31:41,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:31:41,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:31:41,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:31:41,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:31:41,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:31:41,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:31:41,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:31:41,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:31:41,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:31:41,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:31:41,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:31:41,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:31:41,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:31:41,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:31:41,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:31:41,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:31:41,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:31:41,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:31:41,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:31:41,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:31:41,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:31:41,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:31:41,727 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:31:41,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:31:41,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:31:41,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:31:41,729 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:31:41,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:31:41,730 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:31:41,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:31:41,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:31:41,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:31:41,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:31:41,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:31:41,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:31:41,732 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:31:41,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:31:41,733 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:31:41,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:31:41,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:31:41,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:31:41,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:31:41,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:31:41,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:31:41,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:31:41,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:31:41,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:31:41,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:31:41,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:31:41,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:31:41,735 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:31:41,736 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 -> 62fbd1eb48cafbc2aae54d543a7cd80548e8a377 [2020-10-19 22:31:41,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:31:41,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:31:41,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:31:41,978 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:31:41,979 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:31:41,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label52.c [2020-10-19 22:31:42,042 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9abf884b2/ee8bdeef18be44c3a0465c227334d453/FLAG91e73f0d0 [2020-10-19 22:31:42,583 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:31:42,584 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label52.c [2020-10-19 22:31:42,598 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9abf884b2/ee8bdeef18be44c3a0465c227334d453/FLAG91e73f0d0 [2020-10-19 22:31:42,852 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9abf884b2/ee8bdeef18be44c3a0465c227334d453 [2020-10-19 22:31:42,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:31:42,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:31:42,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:31:42,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:31:42,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:31:42,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:31:42" (1/1) ... [2020-10-19 22:31:42,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63522197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:42, skipping insertion in model container [2020-10-19 22:31:42,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:31:42" (1/1) ... [2020-10-19 22:31:42,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:31:42,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:31:43,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:31:43,437 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:31:43,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:31:43,583 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:31:43,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:43 WrapperNode [2020-10-19 22:31:43,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:31:43,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:31:43,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:31:43,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:31:43,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:43" (1/1) ... [2020-10-19 22:31:43,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:43" (1/1) ... [2020-10-19 22:31:43,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:31:43,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:31:43,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:31:43,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:31:43,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:43" (1/1) ... [2020-10-19 22:31:43,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:43" (1/1) ... [2020-10-19 22:31:43,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:43" (1/1) ... [2020-10-19 22:31:43,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:43" (1/1) ... [2020-10-19 22:31:43,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:43" (1/1) ... [2020-10-19 22:31:43,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:43" (1/1) ... [2020-10-19 22:31:43,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:43" (1/1) ... [2020-10-19 22:31:43,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:31:43,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:31:43,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:31:43,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:31:43,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:43" (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 22:31:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:31:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:31:43,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:31:43,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:31:45,007 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:31:45,008 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:31:45,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:31:45 BoogieIcfgContainer [2020-10-19 22:31:45,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:31:45,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:31:45,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:31:45,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:31:45,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:31:42" (1/3) ... [2020-10-19 22:31:45,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675d6fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:31:45, skipping insertion in model container [2020-10-19 22:31:45,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:43" (2/3) ... [2020-10-19 22:31:45,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675d6fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:31:45, skipping insertion in model container [2020-10-19 22:31:45,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:31:45" (3/3) ... [2020-10-19 22:31:45,019 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label52.c [2020-10-19 22:31:45,030 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:31:45,038 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:31:45,053 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:31:45,080 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:31:45,080 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:31:45,081 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:31:45,081 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:31:45,081 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:31:45,081 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:31:45,081 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:31:45,081 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:31:45,104 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-10-19 22:31:45,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-19 22:31:45,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:45,117 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] [2020-10-19 22:31:45,117 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:45,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:45,123 INFO L82 PathProgramCache]: Analyzing trace with hash 116810341, now seen corresponding path program 1 times [2020-10-19 22:31:45,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:45,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488611257] [2020-10-19 22:31:45,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:45,738 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 22:31:45,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488611257] [2020-10-19 22:31:45,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:45,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:31:45,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026554792] [2020-10-19 22:31:45,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:45,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:45,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:45,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:45,785 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-10-19 22:31:46,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:46,751 INFO L93 Difference]: Finished difference Result 602 states and 1036 transitions. [2020-10-19 22:31:46,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:46,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-10-19 22:31:46,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:46,772 INFO L225 Difference]: With dead ends: 602 [2020-10-19 22:31:46,773 INFO L226 Difference]: Without dead ends: 310 [2020-10-19 22:31:46,778 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 22:31:46,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-10-19 22:31:46,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2020-10-19 22:31:46,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-10-19 22:31:46,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2020-10-19 22:31:46,847 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 104 [2020-10-19 22:31:46,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:46,848 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2020-10-19 22:31:46,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:46,848 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2020-10-19 22:31:46,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-19 22:31:46,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:46,854 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:46,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:31:46,855 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:46,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:46,855 INFO L82 PathProgramCache]: Analyzing trace with hash 208362984, now seen corresponding path program 1 times [2020-10-19 22:31:46,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:46,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872782587] [2020-10-19 22:31:46,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:47,021 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:47,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872782587] [2020-10-19 22:31:47,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:47,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:31:47,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997117543] [2020-10-19 22:31:47,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:47,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:47,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:47,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:47,025 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand 3 states. [2020-10-19 22:31:47,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:47,617 INFO L93 Difference]: Finished difference Result 902 states and 1298 transitions. [2020-10-19 22:31:47,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:47,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-10-19 22:31:47,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:47,622 INFO L225 Difference]: With dead ends: 902 [2020-10-19 22:31:47,623 INFO L226 Difference]: Without dead ends: 594 [2020-10-19 22:31:47,624 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 22:31:47,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-19 22:31:47,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 592. [2020-10-19 22:31:47,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-19 22:31:47,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 751 transitions. [2020-10-19 22:31:47,664 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 751 transitions. Word has length 122 [2020-10-19 22:31:47,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:47,666 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 751 transitions. [2020-10-19 22:31:47,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:47,667 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 751 transitions. [2020-10-19 22:31:47,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-19 22:31:47,676 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:47,677 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-19 22:31:47,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:31:47,677 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:47,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:47,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1591699528, now seen corresponding path program 1 times [2020-10-19 22:31:47,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:47,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656987385] [2020-10-19 22:31:47,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:47,820 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:47,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656987385] [2020-10-19 22:31:47,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:47,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:31:47,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517088618] [2020-10-19 22:31:47,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:47,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:47,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:47,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:47,824 INFO L87 Difference]: Start difference. First operand 592 states and 751 transitions. Second operand 3 states. [2020-10-19 22:31:48,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:48,116 INFO L93 Difference]: Finished difference Result 1172 states and 1487 transitions. [2020-10-19 22:31:48,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:48,117 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-10-19 22:31:48,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:48,120 INFO L225 Difference]: With dead ends: 1172 [2020-10-19 22:31:48,121 INFO L226 Difference]: Without dead ends: 582 [2020-10-19 22:31:48,122 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 22:31:48,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-10-19 22:31:48,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2020-10-19 22:31:48,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-10-19 22:31:48,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 698 transitions. [2020-10-19 22:31:48,141 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 698 transitions. Word has length 123 [2020-10-19 22:31:48,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:48,142 INFO L481 AbstractCegarLoop]: Abstraction has 582 states and 698 transitions. [2020-10-19 22:31:48,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:48,142 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 698 transitions. [2020-10-19 22:31:48,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-19 22:31:48,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:48,145 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:31:48,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 22:31:48,146 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:48,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:48,147 INFO L82 PathProgramCache]: Analyzing trace with hash 700883765, now seen corresponding path program 1 times [2020-10-19 22:31:48,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:48,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032022893] [2020-10-19 22:31:48,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:48,233 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:48,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032022893] [2020-10-19 22:31:48,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:48,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:31:48,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170499409] [2020-10-19 22:31:48,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:48,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:48,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:48,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:48,238 INFO L87 Difference]: Start difference. First operand 582 states and 698 transitions. Second operand 3 states. [2020-10-19 22:31:48,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:48,808 INFO L93 Difference]: Finished difference Result 1302 states and 1569 transitions. [2020-10-19 22:31:48,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:48,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-10-19 22:31:48,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:48,815 INFO L225 Difference]: With dead ends: 1302 [2020-10-19 22:31:48,815 INFO L226 Difference]: Without dead ends: 722 [2020-10-19 22:31:48,817 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 22:31:48,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-10-19 22:31:48,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2020-10-19 22:31:48,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2020-10-19 22:31:48,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 853 transitions. [2020-10-19 22:31:48,843 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 853 transitions. Word has length 127 [2020-10-19 22:31:48,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:48,844 INFO L481 AbstractCegarLoop]: Abstraction has 722 states and 853 transitions. [2020-10-19 22:31:48,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:48,845 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 853 transitions. [2020-10-19 22:31:48,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-19 22:31:48,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:48,850 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:48,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 22:31:48,851 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:48,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:48,852 INFO L82 PathProgramCache]: Analyzing trace with hash 638119211, now seen corresponding path program 1 times [2020-10-19 22:31:48,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:48,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055822972] [2020-10-19 22:31:48,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:49,220 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:49,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055822972] [2020-10-19 22:31:49,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476995634] [2020-10-19 22:31:49,222 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 22:31:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:49,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:31:49,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:31:49,434 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-19 22:31:49,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:31:49,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 22:31:49,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878731464] [2020-10-19 22:31:49,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:49,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:49,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:49,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:49,438 INFO L87 Difference]: Start difference. First operand 722 states and 853 transitions. Second operand 3 states. [2020-10-19 22:31:49,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:49,982 INFO L93 Difference]: Finished difference Result 1862 states and 2205 transitions. [2020-10-19 22:31:49,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:49,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2020-10-19 22:31:49,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:49,987 INFO L225 Difference]: With dead ends: 1862 [2020-10-19 22:31:49,987 INFO L226 Difference]: Without dead ends: 719 [2020-10-19 22:31:49,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:49,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2020-10-19 22:31:50,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 719. [2020-10-19 22:31:50,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2020-10-19 22:31:50,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 838 transitions. [2020-10-19 22:31:50,008 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 838 transitions. Word has length 131 [2020-10-19 22:31:50,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:50,009 INFO L481 AbstractCegarLoop]: Abstraction has 719 states and 838 transitions. [2020-10-19 22:31:50,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:50,009 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 838 transitions. [2020-10-19 22:31:50,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-19 22:31:50,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:50,012 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:31:50,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:31:50,226 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:50,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:50,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1184542990, now seen corresponding path program 1 times [2020-10-19 22:31:50,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:50,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775593067] [2020-10-19 22:31:50,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:50,308 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 22:31:50,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775593067] [2020-10-19 22:31:50,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:50,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:31:50,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612690645] [2020-10-19 22:31:50,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:50,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:50,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:50,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:50,310 INFO L87 Difference]: Start difference. First operand 719 states and 838 transitions. Second operand 3 states. [2020-10-19 22:31:50,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:50,846 INFO L93 Difference]: Finished difference Result 1717 states and 2024 transitions. [2020-10-19 22:31:50,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:50,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-10-19 22:31:50,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:50,852 INFO L225 Difference]: With dead ends: 1717 [2020-10-19 22:31:50,853 INFO L226 Difference]: Without dead ends: 859 [2020-10-19 22:31:50,855 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 22:31:50,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2020-10-19 22:31:50,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 859. [2020-10-19 22:31:50,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2020-10-19 22:31:50,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 931 transitions. [2020-10-19 22:31:50,882 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 931 transitions. Word has length 141 [2020-10-19 22:31:50,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:50,882 INFO L481 AbstractCegarLoop]: Abstraction has 859 states and 931 transitions. [2020-10-19 22:31:50,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:50,883 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 931 transitions. [2020-10-19 22:31:50,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-19 22:31:50,886 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:50,886 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-19 22:31:50,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 22:31:50,886 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:50,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:50,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1240907264, now seen corresponding path program 1 times [2020-10-19 22:31:50,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:50,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119055266] [2020-10-19 22:31:50,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:51,066 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 55 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-19 22:31:51,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119055266] [2020-10-19 22:31:51,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358520957] [2020-10-19 22:31:51,068 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 22:31:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:51,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 22:31:51,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:31:51,271 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-19 22:31:51,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:31:51,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 22:31:51,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970988707] [2020-10-19 22:31:51,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:51,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:51,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:51,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:51,274 INFO L87 Difference]: Start difference. First operand 859 states and 931 transitions. Second operand 3 states. [2020-10-19 22:31:51,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:51,781 INFO L93 Difference]: Finished difference Result 2136 states and 2307 transitions. [2020-10-19 22:31:51,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:51,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2020-10-19 22:31:51,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:51,788 INFO L225 Difference]: With dead ends: 2136 [2020-10-19 22:31:51,788 INFO L226 Difference]: Without dead ends: 1137 [2020-10-19 22:31:51,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:51,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2020-10-19 22:31:51,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1135. [2020-10-19 22:31:51,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2020-10-19 22:31:51,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1206 transitions. [2020-10-19 22:31:51,828 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1206 transitions. Word has length 154 [2020-10-19 22:31:51,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:51,829 INFO L481 AbstractCegarLoop]: Abstraction has 1135 states and 1206 transitions. [2020-10-19 22:31:51,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:51,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1206 transitions. [2020-10-19 22:31:51,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-19 22:31:51,834 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:51,835 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 22:31:52,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:31:52,048 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:52,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:52,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1707799374, now seen corresponding path program 1 times [2020-10-19 22:31:52,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:52,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723923034] [2020-10-19 22:31:52,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:52,160 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:52,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723923034] [2020-10-19 22:31:52,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:52,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:31:52,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134109764] [2020-10-19 22:31:52,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:52,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:52,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:52,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:52,162 INFO L87 Difference]: Start difference. First operand 1135 states and 1206 transitions. Second operand 3 states. [2020-10-19 22:31:52,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:52,585 INFO L93 Difference]: Finished difference Result 2545 states and 2711 transitions. [2020-10-19 22:31:52,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:52,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2020-10-19 22:31:52,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:52,587 INFO L225 Difference]: With dead ends: 2545 [2020-10-19 22:31:52,587 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 22:31:52,591 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 22:31:52,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 22:31:52,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 22:31:52,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 22:31:52,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 22:31:52,592 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2020-10-19 22:31:52,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:52,592 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 22:31:52,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:52,593 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 22:31:52,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 22:31:52,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 22:31:52,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 22:31:52,773 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-19 22:31:52,773 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-19 22:31:52,773 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-19 22:31:52,773 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-19 22:31:52,773 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-19 22:31:52,774 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-19 22:31:52,774 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-19 22:31:52,774 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,774 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,774 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,774 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-19 22:31:52,774 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-19 22:31:52,774 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-19 22:31:52,774 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-19 22:31:52,775 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-19 22:31:52,775 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-19 22:31:52,775 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-19 22:31:52,775 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,775 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,775 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,775 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-19 22:31:52,775 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-19 22:31:52,776 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-19 22:31:52,776 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-19 22:31:52,776 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-19 22:31:52,776 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-19 22:31:52,776 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-19 22:31:52,776 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,776 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,776 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,777 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-19 22:31:52,777 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-19 22:31:52,777 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-19 22:31:52,777 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-19 22:31:52,777 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-19 22:31:52,777 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,777 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,777 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,777 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-19 22:31:52,778 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-19 22:31:52,778 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-19 22:31:52,778 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-19 22:31:52,778 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-19 22:31:52,778 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-19 22:31:52,778 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-19 22:31:52,778 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-19 22:31:52,778 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,779 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,779 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,779 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-19 22:31:52,779 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-19 22:31:52,779 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-19 22:31:52,779 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-19 22:31:52,779 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-19 22:31:52,779 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-19 22:31:52,779 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-19 22:31:52,780 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-19 22:31:52,780 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,780 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,780 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,780 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-19 22:31:52,780 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-19 22:31:52,780 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-19 22:31:52,780 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-19 22:31:52,781 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-19 22:31:52,781 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-19 22:31:52,781 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-19 22:31:52,781 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-19 22:31:52,781 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-19 22:31:52,781 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,781 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,781 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,781 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-19 22:31:52,782 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-19 22:31:52,782 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-19 22:31:52,782 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-19 22:31:52,782 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-19 22:31:52,782 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-19 22:31:52,782 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 22:31:52,782 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,782 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,783 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,783 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-19 22:31:52,783 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-19 22:31:52,783 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-19 22:31:52,783 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-19 22:31:52,783 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-19 22:31:52,783 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-19 22:31:52,783 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-19 22:31:52,784 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-19 22:31:52,784 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,784 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,784 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,784 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-19 22:31:52,784 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-19 22:31:52,784 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-19 22:31:52,784 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-19 22:31:52,784 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-19 22:31:52,785 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,785 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,785 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,785 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-19 22:31:52,785 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 22:31:52,785 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 22:31:52,785 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-19 22:31:52,785 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-19 22:31:52,786 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-19 22:31:52,786 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-19 22:31:52,786 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-19 22:31:52,786 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-19 22:31:52,786 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-19 22:31:52,786 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-19 22:31:52,786 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-19 22:31:52,786 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-19 22:31:52,787 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,787 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,787 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-19 22:31:52,787 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-19 22:31:52,787 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-19 22:31:52,787 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-19 22:31:52,787 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-19 22:31:52,787 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-19 22:31:52,788 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-19 22:31:52,788 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-19 22:31:52,788 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-19 22:31:52,788 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 22:31:52,788 INFO L270 CegarLoopResult]: At program point L599(lines 31 600) the Hoare annotation is: (let ((.cse1 (not (= ~a11~0 1))) (.cse0 (= ~a19~0 1)) (.cse2 (<= ~a17~0 8)) (.cse3 (<= ~a28~0 10))) (or (and .cse0 (= ~a25~0 1) .cse1 .cse2) (and .cse1 .cse2 .cse3) (and (<= ~a28~0 7) .cse2) (and .cse0 .cse2 .cse3) (and (<= ~a17~0 7) .cse3))) [2020-10-19 22:31:52,788 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,789 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,789 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-19 22:31:52,789 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-19 22:31:52,789 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-19 22:31:52,789 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-19 22:31:52,789 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-19 22:31:52,789 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-19 22:31:52,789 INFO L277 CegarLoopResult]: At program point L602(lines 602 619) the Hoare annotation is: true [2020-10-19 22:31:52,790 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,790 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,790 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-19 22:31:52,790 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-19 22:31:52,790 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-19 22:31:52,790 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-19 22:31:52,790 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-19 22:31:52,790 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-19 22:31:52,790 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-19 22:31:52,791 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-19 22:31:52,791 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-19 22:31:52,791 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,791 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,791 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-19 22:31:52,791 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-19 22:31:52,791 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-19 22:31:52,791 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-19 22:31:52,792 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-19 22:31:52,792 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-19 22:31:52,792 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse1 (not (= ~a11~0 1))) (.cse0 (= ~a19~0 1)) (.cse2 (<= ~a17~0 8)) (.cse3 (<= ~a28~0 10))) (or (and .cse0 (= ~a25~0 1) .cse1 .cse2) (and .cse1 .cse2 .cse3) (and (<= ~a28~0 7) .cse2) (and .cse0 .cse2 .cse3) (and (<= ~a17~0 7) .cse3))) [2020-10-19 22:31:52,792 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,792 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,792 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-19 22:31:52,792 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-19 22:31:52,792 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-19 22:31:52,793 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-19 22:31:52,793 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-19 22:31:52,793 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,793 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,793 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-19 22:31:52,793 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-19 22:31:52,793 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-19 22:31:52,793 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-19 22:31:52,794 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-19 22:31:52,794 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-19 22:31:52,794 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-19 22:31:52,794 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-19 22:31:52,794 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-19 22:31:52,794 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,794 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,794 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-19 22:31:52,794 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,795 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 22:31:52,795 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-19 22:31:52,795 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-19 22:31:52,795 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-19 22:31:52,795 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-19 22:31:52,795 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-19 22:31:52,795 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-19 22:31:52,795 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,796 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,796 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,796 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-19 22:31:52,796 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-19 22:31:52,796 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-19 22:31:52,796 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-19 22:31:52,796 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-19 22:31:52,796 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,796 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,797 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,797 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-19 22:31:52,797 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-19 22:31:52,797 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-19 22:31:52,797 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-19 22:31:52,797 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-19 22:31:52,797 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-19 22:31:52,797 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 22:31:52,797 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,798 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,798 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,798 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-19 22:31:52,798 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-19 22:31:52,798 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-19 22:31:52,798 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-19 22:31:52,798 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-19 22:31:52,798 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-19 22:31:52,798 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-19 22:31:52,799 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-19 22:31:52,799 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,799 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,799 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,799 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-19 22:31:52,799 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-19 22:31:52,799 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-19 22:31:52,799 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-19 22:31:52,799 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-19 22:31:52,800 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,800 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,800 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:52,800 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-19 22:31:52,800 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-19 22:31:52,800 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-19 22:31:52,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:31:52 BoogieIcfgContainer [2020-10-19 22:31:52,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:31:52,823 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:31:52,823 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:31:52,823 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:31:52,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:31:45" (3/4) ... [2020-10-19 22:31:52,827 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 22:31:52,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 22:31:52,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 22:31:52,852 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:31:52,853 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:31:53,045 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:31:53,046 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:31:53,048 INFO L168 Benchmark]: Toolchain (without parser) took 10191.19 ms. Allocated memory was 36.2 MB in the beginning and 121.1 MB in the end (delta: 84.9 MB). Free memory was 8.9 MB in the beginning and 40.5 MB in the end (delta: -31.6 MB). Peak memory consumption was 53.3 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:53,049 INFO L168 Benchmark]: CDTParser took 0.75 ms. Allocated memory is still 36.2 MB. Free memory is still 15.0 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-19 22:31:53,049 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.18 ms. Allocated memory was 36.2 MB in the beginning and 47.2 MB in the end (delta: 11.0 MB). Free memory was 7.9 MB in the beginning and 25.7 MB in the end (delta: -17.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:53,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.14 ms. Allocated memory is still 47.2 MB. Free memory was 25.4 MB in the beginning and 19.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:53,050 INFO L168 Benchmark]: Boogie Preprocessor took 63.60 ms. Allocated memory is still 47.2 MB. Free memory was 19.8 MB in the beginning and 15.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:53,050 INFO L168 Benchmark]: RCFGBuilder took 1272.31 ms. Allocated memory was 47.2 MB in the beginning and 57.1 MB in the end (delta: 10.0 MB). Free memory was 15.2 MB in the beginning and 21.2 MB in the end (delta: -6.0 MB). Peak memory consumption was 15.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:53,051 INFO L168 Benchmark]: TraceAbstraction took 7810.83 ms. Allocated memory was 57.1 MB in the beginning and 121.1 MB in the end (delta: 64.0 MB). Free memory was 20.7 MB in the beginning and 60.0 MB in the end (delta: -39.2 MB). Peak memory consumption was 73.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:53,051 INFO L168 Benchmark]: Witness Printer took 223.42 ms. Allocated memory is still 121.1 MB. Free memory was 60.0 MB in the beginning and 40.5 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:53,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 ms. Allocated memory is still 36.2 MB. Free memory is still 15.0 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 721.18 ms. Allocated memory was 36.2 MB in the beginning and 47.2 MB in the end (delta: 11.0 MB). Free memory was 7.9 MB in the beginning and 25.7 MB in the end (delta: -17.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 89.14 ms. Allocated memory is still 47.2 MB. Free memory was 25.4 MB in the beginning and 19.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 63.60 ms. Allocated memory is still 47.2 MB. Free memory was 19.8 MB in the beginning and 15.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1272.31 ms. Allocated memory was 47.2 MB in the beginning and 57.1 MB in the end (delta: 10.0 MB). Free memory was 15.2 MB in the beginning and 21.2 MB in the end (delta: -6.0 MB). Peak memory consumption was 15.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 7810.83 ms. Allocated memory was 57.1 MB in the beginning and 121.1 MB in the end (delta: 64.0 MB). Free memory was 20.7 MB in the beginning and 60.0 MB in the end (delta: -39.2 MB). Peak memory consumption was 73.7 MB. Max. memory is 14.3 GB. * Witness Printer took 223.42 ms. Allocated memory is still 121.1 MB. Free memory was 60.0 MB in the beginning and 40.5 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((a19 == 1 && a25 == 1) && !(a11 == 1)) && a17 <= 8) || ((!(a11 == 1) && a17 <= 8) && a28 <= 10)) || (a28 <= 7 && a17 <= 8)) || ((a19 == 1 && a17 <= 8) && a28 <= 10)) || (a17 <= 7 && a28 <= 10) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: ((((((a19 == 1 && a25 == 1) && !(a11 == 1)) && a17 <= 8) || ((!(a11 == 1) && a17 <= 8) && a28 <= 10)) || (a28 <= 7 && a17 <= 8)) || ((a19 == 1 && a17 <= 8) && a28 <= 10)) || (a17 <= 7 && a28 <= 10) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.5s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 884 SDtfs, 1038 SDslu, 98 SDs, 0 SdLazy, 2556 SolverSat, 485 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 306 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1135occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 101 HoareAnnotationTreeSize, 3 FomulaSimplifications, 334 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1363 NumberOfCodeBlocks, 1363 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1353 ConstructedInterpolants, 0 QuantifiedInterpolants, 590046 SizeOfPredicates, 1 NumberOfNonLiveVariables, 587 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 399/423 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...