./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_92239ca7-b76e-4bda-a433-0c187b2978ba/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_92239ca7-b76e-4bda-a433-0c187b2978ba/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_92239ca7-b76e-4bda-a433-0c187b2978ba/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_92239ca7-b76e-4bda-a433-0c187b2978ba/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_92239ca7-b76e-4bda-a433-0c187b2978ba/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_92239ca7-b76e-4bda-a433-0c187b2978ba/bin/uautomizer --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 92a0366739b54f5786fd81f9c3804cb2d83d614e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:13:11,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:13:11,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:13:11,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:13:11,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:13:11,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:13:11,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:13:11,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:13:11,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:13:11,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:13:11,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:13:11,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:13:11,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:13:11,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:13:11,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:13:11,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:13:11,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:13:11,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:13:11,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:13:11,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:13:11,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:13:11,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:13:11,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:13:11,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:13:11,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:13:11,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:13:11,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:13:11,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:13:11,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:13:11,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:13:11,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:13:11,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:13:11,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:13:11,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:13:11,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:13:11,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:13:11,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:13:11,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:13:11,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:13:11,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:13:11,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:13:11,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_92239ca7-b76e-4bda-a433-0c187b2978ba/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:13:11,751 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:13:11,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:13:11,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:13:11,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:13:11,755 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:13:11,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:13:11,756 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:13:11,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:13:11,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:13:11,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:13:11,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:13:11,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:13:11,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:13:11,760 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:13:11,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:13:11,761 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:13:11,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:13:11,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:13:11,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:13:11,762 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:13:11,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:13:11,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:13:11,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:13:11,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:13:11,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:13:11,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:13:11,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:13:11,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:13:11,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:13:11,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_92239ca7-b76e-4bda-a433-0c187b2978ba/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_92239ca7-b76e-4bda-a433-0c187b2978ba/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92a0366739b54f5786fd81f9c3804cb2d83d614e [2020-11-30 00:13:12,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:13:12,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:13:12,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:13:12,195 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:13:12,199 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:13:12,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_92239ca7-b76e-4bda-a433-0c187b2978ba/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label40.c [2020-11-30 00:13:12,319 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_92239ca7-b76e-4bda-a433-0c187b2978ba/bin/uautomizer/data/72d0479fd/f019ac52fe644b56b3c48e1c2bbe2d39/FLAG697048acf [2020-11-30 00:13:13,188 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:13:13,189 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_92239ca7-b76e-4bda-a433-0c187b2978ba/sv-benchmarks/c/eca-rers2012/Problem10_label40.c [2020-11-30 00:13:13,237 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_92239ca7-b76e-4bda-a433-0c187b2978ba/bin/uautomizer/data/72d0479fd/f019ac52fe644b56b3c48e1c2bbe2d39/FLAG697048acf [2020-11-30 00:13:13,403 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_92239ca7-b76e-4bda-a433-0c187b2978ba/bin/uautomizer/data/72d0479fd/f019ac52fe644b56b3c48e1c2bbe2d39 [2020-11-30 00:13:13,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:13:13,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:13:13,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:13:13,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:13:13,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:13:13,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:13:13" (1/1) ... [2020-11-30 00:13:13,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3994a893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:13, skipping insertion in model container [2020-11-30 00:13:13,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:13:13" (1/1) ... [2020-11-30 00:13:13,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:13:13,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:13:14,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:13:14,054 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:13:14,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:13:14,273 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:13:14,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:14 WrapperNode [2020-11-30 00:13:14,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:13:14,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:13:14,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:13:14,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:13:14,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:14" (1/1) ... [2020-11-30 00:13:14,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:14" (1/1) ... [2020-11-30 00:13:14,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:13:14,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:13:14,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:13:14,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:13:14,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:14" (1/1) ... [2020-11-30 00:13:14,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:14" (1/1) ... [2020-11-30 00:13:14,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:14" (1/1) ... [2020-11-30 00:13:14,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:14" (1/1) ... [2020-11-30 00:13:14,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:14" (1/1) ... [2020-11-30 00:13:14,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:14" (1/1) ... [2020-11-30 00:13:14,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:14" (1/1) ... [2020-11-30 00:13:14,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:13:14,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:13:14,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:13:14,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:13:14,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92239ca7-b76e-4bda-a433-0c187b2978ba/bin/uautomizer/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 [2020-11-30 00:13:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:13:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:13:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:13:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:13:17,180 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:13:17,180 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:13:17,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:13:17 BoogieIcfgContainer [2020-11-30 00:13:17,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:13:17,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:13:17,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:13:17,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:13:17,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:13:13" (1/3) ... [2020-11-30 00:13:17,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe9bbc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:13:17, skipping insertion in model container [2020-11-30 00:13:17,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:14" (2/3) ... [2020-11-30 00:13:17,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe9bbc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:13:17, skipping insertion in model container [2020-11-30 00:13:17,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:13:17" (3/3) ... [2020-11-30 00:13:17,198 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label40.c [2020-11-30 00:13:17,212 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:13:17,218 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:13:17,233 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:13:17,283 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:13:17,283 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:13:17,283 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:13:17,283 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:13:17,284 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:13:17,284 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:13:17,284 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:13:17,284 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:13:17,345 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-11-30 00:13:17,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 00:13:17,361 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:13:17,362 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] [2020-11-30 00:13:17,363 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:13:17,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:13:17,379 INFO L82 PathProgramCache]: Analyzing trace with hash 301649817, now seen corresponding path program 1 times [2020-11-30 00:13:17,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:13:17,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680845083] [2020-11-30 00:13:17,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:13:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:13:17,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:13:17,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680845083] [2020-11-30 00:13:17,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:13:17,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:13:17,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221642] [2020-11-30 00:13:17,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:13:17,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:13:17,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:13:17,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:13:17,838 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-11-30 00:13:19,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:13:19,880 INFO L93 Difference]: Finished difference Result 553 states and 967 transitions. [2020-11-30 00:13:19,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:13:19,890 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-11-30 00:13:19,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:13:19,920 INFO L225 Difference]: With dead ends: 553 [2020-11-30 00:13:19,920 INFO L226 Difference]: Without dead ends: 282 [2020-11-30 00:13:19,937 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 [2020-11-30 00:13:19,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-30 00:13:20,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-11-30 00:13:20,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-30 00:13:20,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2020-11-30 00:13:20,045 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 49 [2020-11-30 00:13:20,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:13:20,046 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2020-11-30 00:13:20,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:13:20,046 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2020-11-30 00:13:20,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-11-30 00:13:20,053 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:13:20,053 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:13:20,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:13:20,054 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:13:20,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:13:20,055 INFO L82 PathProgramCache]: Analyzing trace with hash -853876815, now seen corresponding path program 1 times [2020-11-30 00:13:20,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:13:20,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729337166] [2020-11-30 00:13:20,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:13:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:13:20,348 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:13:20,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729337166] [2020-11-30 00:13:20,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:13:20,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:13:20,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846877634] [2020-11-30 00:13:20,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:13:20,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:13:20,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:13:20,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:13:20,355 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2020-11-30 00:13:21,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:13:21,254 INFO L93 Difference]: Finished difference Result 701 states and 1076 transitions. [2020-11-30 00:13:21,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:13:21,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-11-30 00:13:21,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:13:21,260 INFO L225 Difference]: With dead ends: 701 [2020-11-30 00:13:21,260 INFO L226 Difference]: Without dead ends: 421 [2020-11-30 00:13:21,263 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 [2020-11-30 00:13:21,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-11-30 00:13:21,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-11-30 00:13:21,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-11-30 00:13:21,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 596 transitions. [2020-11-30 00:13:21,325 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 596 transitions. Word has length 118 [2020-11-30 00:13:21,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:13:21,329 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 596 transitions. [2020-11-30 00:13:21,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:13:21,330 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 596 transitions. [2020-11-30 00:13:21,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-11-30 00:13:21,342 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:13:21,343 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:13:21,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:13:21,345 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:13:21,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:13:21,347 INFO L82 PathProgramCache]: Analyzing trace with hash 81458912, now seen corresponding path program 1 times [2020-11-30 00:13:21,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:13:21,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706241731] [2020-11-30 00:13:21,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:13:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:13:21,587 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:13:21,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706241731] [2020-11-30 00:13:21,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:13:21,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:13:21,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106745250] [2020-11-30 00:13:21,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:13:21,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:13:21,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:13:21,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:13:21,600 INFO L87 Difference]: Start difference. First operand 421 states and 596 transitions. Second operand 3 states. [2020-11-30 00:13:22,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:13:22,532 INFO L93 Difference]: Finished difference Result 1257 states and 1783 transitions. [2020-11-30 00:13:22,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:13:22,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-11-30 00:13:22,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:13:22,539 INFO L225 Difference]: With dead ends: 1257 [2020-11-30 00:13:22,539 INFO L226 Difference]: Without dead ends: 838 [2020-11-30 00:13:22,543 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 [2020-11-30 00:13:22,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-11-30 00:13:22,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2020-11-30 00:13:22,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-11-30 00:13:22,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 924 transitions. [2020-11-30 00:13:22,592 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 924 transitions. Word has length 124 [2020-11-30 00:13:22,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:13:22,593 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 924 transitions. [2020-11-30 00:13:22,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:13:22,593 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 924 transitions. [2020-11-30 00:13:22,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-30 00:13:22,604 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:13:22,605 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:13:22,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:13:22,605 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:13:22,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:13:22,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1914127492, now seen corresponding path program 1 times [2020-11-30 00:13:22,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:13:22,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013259265] [2020-11-30 00:13:22,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:13:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:13:22,720 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:13:22,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013259265] [2020-11-30 00:13:22,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:13:22,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:13:22,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940876598] [2020-11-30 00:13:22,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:13:22,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:13:22,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:13:22,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:13:22,724 INFO L87 Difference]: Start difference. First operand 699 states and 924 transitions. Second operand 3 states. [2020-11-30 00:13:23,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:13:23,576 INFO L93 Difference]: Finished difference Result 1674 states and 2225 transitions. [2020-11-30 00:13:23,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:13:23,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-11-30 00:13:23,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:13:23,584 INFO L225 Difference]: With dead ends: 1674 [2020-11-30 00:13:23,585 INFO L226 Difference]: Without dead ends: 977 [2020-11-30 00:13:23,587 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 [2020-11-30 00:13:23,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-11-30 00:13:23,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-11-30 00:13:23,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-11-30 00:13:23,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1168 transitions. [2020-11-30 00:13:23,621 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1168 transitions. Word has length 135 [2020-11-30 00:13:23,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:13:23,623 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1168 transitions. [2020-11-30 00:13:23,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:13:23,623 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1168 transitions. [2020-11-30 00:13:23,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-11-30 00:13:23,628 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:13:23,629 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:13:23,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:13:23,629 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:13:23,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:13:23,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1655271519, now seen corresponding path program 1 times [2020-11-30 00:13:23,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:13:23,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584092726] [2020-11-30 00:13:23,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:13:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:13:24,010 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:13:24,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584092726] [2020-11-30 00:13:24,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:13:24,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:13:24,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246053298] [2020-11-30 00:13:24,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:13:24,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:13:24,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:13:24,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:13:24,014 INFO L87 Difference]: Start difference. First operand 977 states and 1168 transitions. Second operand 4 states. [2020-11-30 00:13:25,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:13:25,159 INFO L93 Difference]: Finished difference Result 2114 states and 2506 transitions. [2020-11-30 00:13:25,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:13:25,159 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 162 [2020-11-30 00:13:25,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:13:25,168 INFO L225 Difference]: With dead ends: 2114 [2020-11-30 00:13:25,169 INFO L226 Difference]: Without dead ends: 1139 [2020-11-30 00:13:25,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:13:25,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2020-11-30 00:13:25,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 1116. [2020-11-30 00:13:25,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-11-30 00:13:25,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1312 transitions. [2020-11-30 00:13:25,210 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1312 transitions. Word has length 162 [2020-11-30 00:13:25,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:13:25,211 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1312 transitions. [2020-11-30 00:13:25,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:13:25,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1312 transitions. [2020-11-30 00:13:25,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-11-30 00:13:25,215 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:13:25,216 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:13:25,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:13:25,216 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:13:25,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:13:25,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1439774227, now seen corresponding path program 1 times [2020-11-30 00:13:25,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:13:25,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833794425] [2020-11-30 00:13:25,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:13:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:13:25,484 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:13:25,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833794425] [2020-11-30 00:13:25,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:13:25,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:13:25,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003086836] [2020-11-30 00:13:25,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:13:25,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:13:25,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:13:25,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:13:25,492 INFO L87 Difference]: Start difference. First operand 1116 states and 1312 transitions. Second operand 3 states. [2020-11-30 00:13:26,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:13:26,484 INFO L93 Difference]: Finished difference Result 2369 states and 2857 transitions. [2020-11-30 00:13:26,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:13:26,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2020-11-30 00:13:26,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:13:26,495 INFO L225 Difference]: With dead ends: 2369 [2020-11-30 00:13:26,496 INFO L226 Difference]: Without dead ends: 1394 [2020-11-30 00:13:26,498 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 [2020-11-30 00:13:26,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-11-30 00:13:26,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2020-11-30 00:13:26,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-30 00:13:26,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1461 transitions. [2020-11-30 00:13:26,574 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1461 transitions. Word has length 201 [2020-11-30 00:13:26,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:13:26,580 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1461 transitions. [2020-11-30 00:13:26,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:13:26,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1461 transitions. [2020-11-30 00:13:26,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-11-30 00:13:26,586 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:13:26,586 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:13:26,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:13:26,587 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:13:26,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:13:26,588 INFO L82 PathProgramCache]: Analyzing trace with hash 990563364, now seen corresponding path program 1 times [2020-11-30 00:13:26,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:13:26,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519561675] [2020-11-30 00:13:26,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:13:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:13:27,115 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-11-30 00:13:27,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519561675] [2020-11-30 00:13:27,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:13:27,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:13:27,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747145352] [2020-11-30 00:13:27,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:13:27,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:13:27,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:13:27,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:13:27,120 INFO L87 Difference]: Start difference. First operand 1255 states and 1461 transitions. Second operand 5 states. [2020-11-30 00:13:28,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:13:28,031 INFO L93 Difference]: Finished difference Result 2387 states and 2794 transitions. [2020-11-30 00:13:28,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:13:28,036 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 223 [2020-11-30 00:13:28,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:13:28,046 INFO L225 Difference]: With dead ends: 2387 [2020-11-30 00:13:28,046 INFO L226 Difference]: Without dead ends: 1255 [2020-11-30 00:13:28,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:13:28,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-11-30 00:13:28,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-11-30 00:13:28,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-30 00:13:28,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1458 transitions. [2020-11-30 00:13:28,094 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1458 transitions. Word has length 223 [2020-11-30 00:13:28,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:13:28,095 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1458 transitions. [2020-11-30 00:13:28,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:13:28,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1458 transitions. [2020-11-30 00:13:28,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-11-30 00:13:28,102 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:13:28,102 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:13:28,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:13:28,103 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:13:28,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:13:28,105 INFO L82 PathProgramCache]: Analyzing trace with hash -574884872, now seen corresponding path program 1 times [2020-11-30 00:13:28,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:13:28,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43633499] [2020-11-30 00:13:28,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:13:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:13:28,594 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:13:28,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43633499] [2020-11-30 00:13:28,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:13:28,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 00:13:28,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269435734] [2020-11-30 00:13:28,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 00:13:28,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:13:28,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 00:13:28,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:13:28,598 INFO L87 Difference]: Start difference. First operand 1255 states and 1458 transitions. Second operand 7 states. [2020-11-30 00:13:29,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:13:29,655 INFO L93 Difference]: Finished difference Result 2424 states and 2825 transitions. [2020-11-30 00:13:29,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:13:29,656 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 237 [2020-11-30 00:13:29,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:13:29,666 INFO L225 Difference]: With dead ends: 2424 [2020-11-30 00:13:29,666 INFO L226 Difference]: Without dead ends: 1255 [2020-11-30 00:13:29,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:13:29,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-11-30 00:13:29,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-11-30 00:13:29,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-30 00:13:29,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1452 transitions. [2020-11-30 00:13:29,711 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1452 transitions. Word has length 237 [2020-11-30 00:13:29,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:13:29,712 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1452 transitions. [2020-11-30 00:13:29,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 00:13:29,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1452 transitions. [2020-11-30 00:13:29,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-11-30 00:13:29,718 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:13:29,719 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:13:29,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:13:29,719 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:13:29,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:13:29,720 INFO L82 PathProgramCache]: Analyzing trace with hash 584870942, now seen corresponding path program 1 times [2020-11-30 00:13:29,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:13:29,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720563759] [2020-11-30 00:13:29,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:13:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:13:30,235 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-11-30 00:13:30,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720563759] [2020-11-30 00:13:30,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:13:30,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:13:30,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824240422] [2020-11-30 00:13:30,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:13:30,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:13:30,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:13:30,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:13:30,238 INFO L87 Difference]: Start difference. First operand 1255 states and 1452 transitions. Second operand 5 states. [2020-11-30 00:13:30,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:13:30,996 INFO L93 Difference]: Finished difference Result 2387 states and 2777 transitions. [2020-11-30 00:13:30,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:13:30,997 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 273 [2020-11-30 00:13:30,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:13:31,006 INFO L225 Difference]: With dead ends: 2387 [2020-11-30 00:13:31,006 INFO L226 Difference]: Without dead ends: 1255 [2020-11-30 00:13:31,009 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:13:31,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-11-30 00:13:31,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-11-30 00:13:31,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-30 00:13:31,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1445 transitions. [2020-11-30 00:13:31,048 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1445 transitions. Word has length 273 [2020-11-30 00:13:31,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:13:31,049 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1445 transitions. [2020-11-30 00:13:31,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:13:31,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1445 transitions. [2020-11-30 00:13:31,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-11-30 00:13:31,057 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:13:31,057 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:13:31,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:13:31,058 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:13:31,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:13:31,059 INFO L82 PathProgramCache]: Analyzing trace with hash 176112602, now seen corresponding path program 1 times [2020-11-30 00:13:31,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:13:31,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685695378] [2020-11-30 00:13:31,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:13:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:13:31,564 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 41 proven. 52 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-11-30 00:13:31,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685695378] [2020-11-30 00:13:31,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453010139] [2020-11-30 00:13:31,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92239ca7-b76e-4bda-a433-0c187b2978ba/bin/uautomizer/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 [2020-11-30 00:13:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:13:31,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:13:31,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:13:32,180 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-11-30 00:13:32,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:13:32,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-30 00:13:32,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388526403] [2020-11-30 00:13:32,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:13:32,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:13:32,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:13:32,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:13:32,185 INFO L87 Difference]: Start difference. First operand 1255 states and 1445 transitions. Second operand 3 states. [2020-11-30 00:13:33,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:13:33,238 INFO L93 Difference]: Finished difference Result 2647 states and 3118 transitions. [2020-11-30 00:13:33,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:13:33,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 297 [2020-11-30 00:13:33,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:13:33,251 INFO L225 Difference]: With dead ends: 2647 [2020-11-30 00:13:33,251 INFO L226 Difference]: Without dead ends: 1533 [2020-11-30 00:13:33,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:13:33,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2020-11-30 00:13:33,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1394. [2020-11-30 00:13:33,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2020-11-30 00:13:33,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1599 transitions. [2020-11-30 00:13:33,306 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1599 transitions. Word has length 297 [2020-11-30 00:13:33,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:13:33,307 INFO L481 AbstractCegarLoop]: Abstraction has 1394 states and 1599 transitions. [2020-11-30 00:13:33,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:13:33,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1599 transitions. [2020-11-30 00:13:33,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2020-11-30 00:13:33,316 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:13:33,317 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:13:33,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-30 00:13:33,533 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:13:33,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:13:33,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1255124355, now seen corresponding path program 1 times [2020-11-30 00:13:33,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:13:33,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389850356] [2020-11-30 00:13:33,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:13:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:13:33,889 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-11-30 00:13:33,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389850356] [2020-11-30 00:13:33,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:13:33,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:13:33,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503063002] [2020-11-30 00:13:33,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:13:33,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:13:33,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:13:33,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:13:33,894 INFO L87 Difference]: Start difference. First operand 1394 states and 1599 transitions. Second operand 3 states. [2020-11-30 00:13:34,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:13:34,948 INFO L93 Difference]: Finished difference Result 2647 states and 3053 transitions. [2020-11-30 00:13:34,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:13:34,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 348 [2020-11-30 00:13:34,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:13:34,960 INFO L225 Difference]: With dead ends: 2647 [2020-11-30 00:13:34,960 INFO L226 Difference]: Without dead ends: 1394 [2020-11-30 00:13:34,963 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 [2020-11-30 00:13:34,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-11-30 00:13:34,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2020-11-30 00:13:34,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-30 00:13:35,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1380 transitions. [2020-11-30 00:13:35,004 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1380 transitions. Word has length 348 [2020-11-30 00:13:35,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:13:35,005 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1380 transitions. [2020-11-30 00:13:35,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:13:35,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1380 transitions. [2020-11-30 00:13:35,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-11-30 00:13:35,014 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:13:35,015 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:13:35,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 00:13:35,015 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:13:35,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:13:35,016 INFO L82 PathProgramCache]: Analyzing trace with hash 697501421, now seen corresponding path program 1 times [2020-11-30 00:13:35,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:13:35,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842275277] [2020-11-30 00:13:35,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:13:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:13:35,333 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-30 00:13:35,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842275277] [2020-11-30 00:13:35,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:13:35,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:13:35,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78533665] [2020-11-30 00:13:35,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:13:35,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:13:35,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:13:35,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:13:35,337 INFO L87 Difference]: Start difference. First operand 1255 states and 1380 transitions. Second operand 3 states. [2020-11-30 00:13:36,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:13:36,403 INFO L93 Difference]: Finished difference Result 3203 states and 3544 transitions. [2020-11-30 00:13:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:13:36,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 350 [2020-11-30 00:13:36,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:13:36,422 INFO L225 Difference]: With dead ends: 3203 [2020-11-30 00:13:36,422 INFO L226 Difference]: Without dead ends: 2089 [2020-11-30 00:13:36,425 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 [2020-11-30 00:13:36,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-11-30 00:13:36,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2020-11-30 00:13:36,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-11-30 00:13:36,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2271 transitions. [2020-11-30 00:13:36,487 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2271 transitions. Word has length 350 [2020-11-30 00:13:36,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:13:36,488 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2271 transitions. [2020-11-30 00:13:36,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:13:36,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2271 transitions. [2020-11-30 00:13:36,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-11-30 00:13:36,502 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:13:36,502 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:13:36,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 00:13:36,503 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:13:36,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:13:36,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1818510923, now seen corresponding path program 1 times [2020-11-30 00:13:36,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:13:36,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246485157] [2020-11-30 00:13:36,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:13:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:13:37,242 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 134 proven. 6 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-11-30 00:13:37,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246485157] [2020-11-30 00:13:37,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607951687] [2020-11-30 00:13:37,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92239ca7-b76e-4bda-a433-0c187b2978ba/bin/uautomizer/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 [2020-11-30 00:13:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:13:37,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:13:37,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:13:37,622 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-11-30 00:13:37,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:13:37,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-30 00:13:37,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094210945] [2020-11-30 00:13:37,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:13:37,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:13:37,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:13:37,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:13:37,626 INFO L87 Difference]: Start difference. First operand 2089 states and 2271 transitions. Second operand 3 states. [2020-11-30 00:13:38,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:13:38,692 INFO L93 Difference]: Finished difference Result 4313 states and 4704 transitions. [2020-11-30 00:13:38,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:13:38,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 363 [2020-11-30 00:13:38,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:13:38,694 INFO L225 Difference]: With dead ends: 4313 [2020-11-30 00:13:38,694 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:13:38,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:13:38,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:13:38,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:13:38,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:13:38,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:13:38,701 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 363 [2020-11-30 00:13:38,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:13:38,702 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:13:38,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:13:38,702 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:13:38,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:13:38,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-30 00:13:38,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:13:39,405 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-11-30 00:13:39,770 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-11-30 00:13:39,777 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-30 00:13:39,777 INFO L274 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-11-30 00:13:39,778 INFO L274 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-11-30 00:13:39,778 INFO L274 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-11-30 00:13:39,778 INFO L274 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-11-30 00:13:39,778 INFO L274 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-11-30 00:13:39,778 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,778 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,778 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,778 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,778 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,779 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,779 INFO L274 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-11-30 00:13:39,779 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-30 00:13:39,779 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-30 00:13:39,779 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-30 00:13:39,779 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-30 00:13:39,779 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-30 00:13:39,779 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-30 00:13:39,779 INFO L274 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-11-30 00:13:39,779 INFO L274 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-11-30 00:13:39,780 INFO L274 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-11-30 00:13:39,780 INFO L274 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-11-30 00:13:39,780 INFO L274 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-11-30 00:13:39,780 INFO L274 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-11-30 00:13:39,780 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,780 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,780 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,780 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,780 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,780 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,781 INFO L274 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-11-30 00:13:39,781 INFO L274 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-11-30 00:13:39,781 INFO L274 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-11-30 00:13:39,781 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-30 00:13:39,781 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-30 00:13:39,781 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-30 00:13:39,781 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-30 00:13:39,781 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-30 00:13:39,781 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-30 00:13:39,781 INFO L274 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-11-30 00:13:39,781 INFO L274 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-11-30 00:13:39,782 INFO L274 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-11-30 00:13:39,782 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,782 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,782 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,782 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,782 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,782 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,782 INFO L274 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-11-30 00:13:39,782 INFO L274 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-11-30 00:13:39,782 INFO L274 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-11-30 00:13:39,783 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-30 00:13:39,783 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-30 00:13:39,783 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-30 00:13:39,783 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-30 00:13:39,783 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-30 00:13:39,783 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-30 00:13:39,783 INFO L274 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-11-30 00:13:39,783 INFO L274 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-11-30 00:13:39,783 INFO L274 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-11-30 00:13:39,783 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 00:13:39,784 INFO L274 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-11-30 00:13:39,784 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,784 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,784 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,784 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,784 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,784 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,784 INFO L274 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-11-30 00:13:39,784 INFO L274 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-11-30 00:13:39,784 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-30 00:13:39,785 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-30 00:13:39,785 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-30 00:13:39,785 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-30 00:13:39,785 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-30 00:13:39,785 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-30 00:13:39,785 INFO L274 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-11-30 00:13:39,785 INFO L274 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-11-30 00:13:39,785 INFO L274 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-11-30 00:13:39,785 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,785 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,785 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,786 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,786 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,786 INFO L274 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-11-30 00:13:39,786 INFO L274 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-11-30 00:13:39,786 INFO L274 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-11-30 00:13:39,786 INFO L274 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-11-30 00:13:39,786 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-30 00:13:39,786 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-30 00:13:39,786 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-30 00:13:39,786 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-30 00:13:39,786 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-30 00:13:39,786 INFO L274 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-11-30 00:13:39,787 INFO L274 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-11-30 00:13:39,787 INFO L274 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-11-30 00:13:39,787 INFO L274 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-11-30 00:13:39,787 INFO L274 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-11-30 00:13:39,787 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,787 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,787 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,787 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,787 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,787 INFO L274 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-11-30 00:13:39,788 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:13:39,788 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-30 00:13:39,788 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-30 00:13:39,788 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-30 00:13:39,788 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-30 00:13:39,788 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-30 00:13:39,791 INFO L270 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse3 (= ~a10~0 0)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 4 ~a10~0) .cse1 .cse2) (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse1 (<= ~a19~0 6)) (and .cse0 (<= 9 ~a19~0) .cse3 .cse1) (and (= ~a19~0 8) (<= 41 ~a1~0) .cse0 .cse3 .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2020-11-30 00:13:39,791 INFO L274 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-11-30 00:13:39,792 INFO L274 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-11-30 00:13:39,792 INFO L274 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-11-30 00:13:39,792 INFO L274 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-11-30 00:13:39,792 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,792 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,792 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,793 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,793 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,793 INFO L274 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-11-30 00:13:39,793 INFO L274 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-11-30 00:13:39,793 INFO L274 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-11-30 00:13:39,793 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-30 00:13:39,793 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-30 00:13:39,794 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-30 00:13:39,794 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-30 00:13:39,794 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-30 00:13:39,794 INFO L274 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-11-30 00:13:39,794 INFO L274 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-11-30 00:13:39,794 INFO L277 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-11-30 00:13:39,795 INFO L274 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-11-30 00:13:39,795 INFO L274 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-11-30 00:13:39,795 INFO L274 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-11-30 00:13:39,795 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:13:39,795 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,795 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,796 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,796 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,796 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,796 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-30 00:13:39,796 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-30 00:13:39,796 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-30 00:13:39,797 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-30 00:13:39,797 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-30 00:13:39,797 INFO L274 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-11-30 00:13:39,797 INFO L274 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-11-30 00:13:39,797 INFO L274 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-11-30 00:13:39,797 INFO L274 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-11-30 00:13:39,797 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,798 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,798 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,798 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,798 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:13:39,798 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,798 INFO L274 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-11-30 00:13:39,799 INFO L274 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-11-30 00:13:39,799 INFO L274 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-11-30 00:13:39,799 INFO L274 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-11-30 00:13:39,799 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-30 00:13:39,799 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-30 00:13:39,799 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-30 00:13:39,799 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-30 00:13:39,800 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-30 00:13:39,800 INFO L274 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-11-30 00:13:39,800 INFO L274 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-11-30 00:13:39,800 INFO L274 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-11-30 00:13:39,801 INFO L270 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse3 (= ~a10~0 0)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 4 ~a10~0) .cse1 .cse2) (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse1 (<= ~a19~0 6)) (and .cse0 (<= 9 ~a19~0) .cse3 .cse1) (and (= ~a19~0 8) (<= 41 ~a1~0) .cse0 .cse3 .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2020-11-30 00:13:39,801 INFO L274 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-11-30 00:13:39,801 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,801 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,801 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,801 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,802 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-30 00:13:39,802 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,802 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,802 INFO L274 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-11-30 00:13:39,802 INFO L274 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-11-30 00:13:39,802 INFO L274 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-11-30 00:13:39,802 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-30 00:13:39,803 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-30 00:13:39,803 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-30 00:13:39,803 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-30 00:13:39,803 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-30 00:13:39,803 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-30 00:13:39,803 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:13:39,804 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 00:13:39,804 INFO L274 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-11-30 00:13:39,804 INFO L274 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-11-30 00:13:39,804 INFO L274 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-11-30 00:13:39,804 INFO L274 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-11-30 00:13:39,804 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,805 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,805 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,805 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,805 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,805 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:13:39,805 INFO L274 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-11-30 00:13:39,806 INFO L274 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-11-30 00:13:39,806 INFO L274 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-11-30 00:13:39,806 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-30 00:13:39,806 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-30 00:13:39,806 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-30 00:13:39,806 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-30 00:13:39,806 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-30 00:13:39,807 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-30 00:13:39,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:13:39 BoogieIcfgContainer [2020-11-30 00:13:39,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:13:39,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:13:39,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:13:39,836 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:13:39,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:13:17" (3/4) ... [2020-11-30 00:13:39,841 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:13:39,872 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:13:39,873 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:13:39,875 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:13:39,880 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:13:40,093 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_92239ca7-b76e-4bda-a433-0c187b2978ba/bin/uautomizer/witness.graphml [2020-11-30 00:13:40,094 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:13:40,095 INFO L168 Benchmark]: Toolchain (without parser) took 26686.60 ms. Allocated memory was 94.4 MB in the beginning and 450.9 MB in the end (delta: 356.5 MB). Free memory was 62.1 MB in the beginning and 241.8 MB in the end (delta: -179.8 MB). Peak memory consumption was 176.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:13:40,096 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 94.4 MB. Free memory is still 50.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:13:40,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 864.37 ms. Allocated memory is still 94.4 MB. Free memory was 61.9 MB in the beginning and 54.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:13:40,097 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.83 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 54.0 MB in the beginning and 94.7 MB in the end (delta: -40.7 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:13:40,097 INFO L168 Benchmark]: Boogie Preprocessor took 176.68 ms. Allocated memory is still 121.6 MB. Free memory was 94.4 MB in the beginning and 89.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:13:40,098 INFO L168 Benchmark]: RCFGBuilder took 2526.85 ms. Allocated memory is still 121.6 MB. Free memory was 89.3 MB in the beginning and 44.4 MB in the end (delta: 44.8 MB). Peak memory consumption was 58.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:13:40,098 INFO L168 Benchmark]: TraceAbstraction took 22646.84 ms. Allocated memory was 121.6 MB in the beginning and 450.9 MB in the end (delta: 329.3 MB). Free memory was 44.4 MB in the beginning and 256.5 MB in the end (delta: -212.1 MB). Peak memory consumption was 117.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:13:40,099 INFO L168 Benchmark]: Witness Printer took 258.60 ms. Allocated memory is still 450.9 MB. Free memory was 256.5 MB in the beginning and 241.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:13:40,102 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 94.4 MB. Free memory is still 50.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 864.37 ms. Allocated memory is still 94.4 MB. Free memory was 61.9 MB in the beginning and 54.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 170.83 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 54.0 MB in the beginning and 94.7 MB in the end (delta: -40.7 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 176.68 ms. Allocated memory is still 121.6 MB. Free memory was 94.4 MB in the beginning and 89.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2526.85 ms. Allocated memory is still 121.6 MB. Free memory was 89.3 MB in the beginning and 44.4 MB in the end (delta: 44.8 MB). Peak memory consumption was 58.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 22646.84 ms. Allocated memory was 121.6 MB in the beginning and 450.9 MB in the end (delta: 329.3 MB). Free memory was 44.4 MB in the beginning and 256.5 MB in the end (delta: -212.1 MB). Peak memory consumption was 117.9 MB. Max. memory is 16.1 GB. * Witness Printer took 258.60 ms. Allocated memory is still 450.9 MB. Free memory was 256.5 MB in the beginning and 241.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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: 592]: Loop Invariant Derived loop invariant: ((((((((14 == a4 && 4 <= a10) && a12 == 0) && a19 <= 9) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a10 == 0) && a12 == 0) && a19 <= 6)) || (((14 == a4 && 9 <= a19) && a10 == 0) && a12 == 0)) || ((((a19 == 8 && 41 <= a1) && 14 == a4) && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((14 == a4 && 4 <= a10) && a12 == 0) && a19 <= 9) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a10 == 0) && a12 == 0) && a19 <= 6)) || (((14 == a4 && 9 <= a19) && a10 == 0) && a12 == 0)) || ((((a19 == 8 && 41 <= a1) && 14 == a4) && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.6s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 14.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1528 SDtfs, 1320 SDslu, 76 SDs, 0 SdLazy, 5142 SolverSat, 668 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 704 GetRequests, 673 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2089occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 579 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 45 NumberOfFragments, 185 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1371 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 190 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 3540 NumberOfCodeBlocks, 3540 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3525 ConstructedInterpolants, 0 QuantifiedInterpolants, 3992684 SizeOfPredicates, 2 NumberOfNonLiveVariables, 929 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 2820/2878 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...