./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label46.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_4359ba2b-007c-4b37-ae86-1511ba23c7ab/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4359ba2b-007c-4b37-ae86-1511ba23c7ab/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4359ba2b-007c-4b37-ae86-1511ba23c7ab/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4359ba2b-007c-4b37-ae86-1511ba23c7ab/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label46.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4359ba2b-007c-4b37-ae86-1511ba23c7ab/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4359ba2b-007c-4b37-ae86-1511ba23c7ab/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 86d50476b0a5ff5d2cfee5f4f0e078a14c6aba43 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:19:45,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:19:45,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:19:45,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:19:45,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:19:45,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:19:45,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:19:45,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:19:45,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:19:45,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:19:45,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:19:45,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:19:45,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:19:45,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:19:45,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:19:45,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:19:45,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:19:45,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:19:45,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:19:45,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:19:45,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:19:45,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:19:45,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:19:45,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:19:45,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:19:45,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:19:45,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:19:45,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:19:45,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:19:45,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:19:45,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:19:45,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:19:45,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:19:45,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:19:45,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:19:45,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:19:45,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:19:45,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:19:45,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:19:45,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:19:45,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:19:45,694 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4359ba2b-007c-4b37-ae86-1511ba23c7ab/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:19:45,735 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:19:45,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:19:45,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:19:45,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:19:45,744 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:19:45,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:19:45,744 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:19:45,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:19:45,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:19:45,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:19:45,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:19:45,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:19:45,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:19:45,747 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:19:45,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:19:45,748 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:19:45,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:19:45,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:19:45,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:19:45,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:19:45,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:19:45,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:19:45,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:19:45,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:19:45,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:19:45,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:19:45,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:19:45,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:19:45,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:19:45,751 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_4359ba2b-007c-4b37-ae86-1511ba23c7ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4359ba2b-007c-4b37-ae86-1511ba23c7ab/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86d50476b0a5ff5d2cfee5f4f0e078a14c6aba43 [2020-11-28 03:19:46,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:19:46,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:19:46,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:19:46,100 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:19:46,104 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:19:46,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4359ba2b-007c-4b37-ae86-1511ba23c7ab/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label46.c [2020-11-28 03:19:46,197 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4359ba2b-007c-4b37-ae86-1511ba23c7ab/bin/uautomizer/data/1bb8a4a21/be3914cb4ccd4d3f890d23ad012a2ecb/FLAGdc448e1a4 [2020-11-28 03:19:46,880 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:19:46,881 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4359ba2b-007c-4b37-ae86-1511ba23c7ab/sv-benchmarks/c/eca-rers2012/Problem01_label46.c [2020-11-28 03:19:46,903 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4359ba2b-007c-4b37-ae86-1511ba23c7ab/bin/uautomizer/data/1bb8a4a21/be3914cb4ccd4d3f890d23ad012a2ecb/FLAGdc448e1a4 [2020-11-28 03:19:47,085 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4359ba2b-007c-4b37-ae86-1511ba23c7ab/bin/uautomizer/data/1bb8a4a21/be3914cb4ccd4d3f890d23ad012a2ecb [2020-11-28 03:19:47,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:19:47,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:19:47,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:47,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:19:47,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:19:47,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f48351e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47, skipping insertion in model container [2020-11-28 03:19:47,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:19:47,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:19:47,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:47,549 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:19:47,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:47,697 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:19:47,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47 WrapperNode [2020-11-28 03:19:47,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:47,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:47,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:19:47,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:19:47,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:47,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:19:47,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:19:47,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:19:47,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:19:47,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:19:47,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:19:47,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:19:47,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4359ba2b-007c-4b37-ae86-1511ba23c7ab/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 [2020-11-28 03:19:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:19:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:19:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:19:47,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:19:49,525 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:19:49,526 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:19:49,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:49 BoogieIcfgContainer [2020-11-28 03:19:49,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:19:49,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:19:49,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:19:49,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:19:49,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:19:47" (1/3) ... [2020-11-28 03:19:49,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b01c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:49, skipping insertion in model container [2020-11-28 03:19:49,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (2/3) ... [2020-11-28 03:19:49,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b01c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:49, skipping insertion in model container [2020-11-28 03:19:49,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:49" (3/3) ... [2020-11-28 03:19:49,541 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label46.c [2020-11-28 03:19:49,552 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:19:49,557 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:19:49,569 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:19:49,595 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:19:49,596 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:19:49,596 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:19:49,596 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:19:49,596 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:19:49,596 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:19:49,596 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:19:49,597 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:19:49,622 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-11-28 03:19:49,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-11-28 03:19:49,640 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:49,641 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:49,641 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:49,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:49,648 INFO L82 PathProgramCache]: Analyzing trace with hash -429824977, now seen corresponding path program 1 times [2020-11-28 03:19:49,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:49,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392703245] [2020-11-28 03:19:49,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:50,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:50,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392703245] [2020-11-28 03:19:50,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:50,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:50,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773841593] [2020-11-28 03:19:50,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:50,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:50,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:50,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:50,255 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-11-28 03:19:51,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:51,376 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-11-28 03:19:51,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:51,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-11-28 03:19:51,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:51,405 INFO L225 Difference]: With dead ends: 529 [2020-11-28 03:19:51,411 INFO L226 Difference]: Without dead ends: 266 [2020-11-28 03:19:51,417 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 [2020-11-28 03:19:51,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-11-28 03:19:51,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-11-28 03:19:51,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-11-28 03:19:51,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 374 transitions. [2020-11-28 03:19:51,482 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 374 transitions. Word has length 112 [2020-11-28 03:19:51,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:51,483 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 374 transitions. [2020-11-28 03:19:51,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:51,484 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 374 transitions. [2020-11-28 03:19:51,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-11-28 03:19:51,494 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:51,495 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:51,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:19:51,496 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:51,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:51,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1887639831, now seen corresponding path program 1 times [2020-11-28 03:19:51,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:51,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342677824] [2020-11-28 03:19:51,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 03:19:51,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342677824] [2020-11-28 03:19:51,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:51,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:51,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157024597] [2020-11-28 03:19:51,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:51,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:51,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:51,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:51,719 INFO L87 Difference]: Start difference. First operand 266 states and 374 transitions. Second operand 3 states. [2020-11-28 03:19:52,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:52,441 INFO L93 Difference]: Finished difference Result 792 states and 1117 transitions. [2020-11-28 03:19:52,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:52,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-11-28 03:19:52,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:52,446 INFO L225 Difference]: With dead ends: 792 [2020-11-28 03:19:52,446 INFO L226 Difference]: Without dead ends: 528 [2020-11-28 03:19:52,452 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 [2020-11-28 03:19:52,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-11-28 03:19:52,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-11-28 03:19:52,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-11-28 03:19:52,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 720 transitions. [2020-11-28 03:19:52,510 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 720 transitions. Word has length 116 [2020-11-28 03:19:52,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:52,514 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 720 transitions. [2020-11-28 03:19:52,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:52,515 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 720 transitions. [2020-11-28 03:19:52,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-11-28 03:19:52,518 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:52,518 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:52,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:19:52,520 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:52,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:52,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1868258953, now seen corresponding path program 1 times [2020-11-28 03:19:52,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:52,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343698891] [2020-11-28 03:19:52,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:52,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:52,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343698891] [2020-11-28 03:19:52,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:52,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:52,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143490352] [2020-11-28 03:19:52,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:52,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:52,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:52,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:52,603 INFO L87 Difference]: Start difference. First operand 528 states and 720 transitions. Second operand 3 states. [2020-11-28 03:19:53,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:53,360 INFO L93 Difference]: Finished difference Result 1580 states and 2156 transitions. [2020-11-28 03:19:53,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:53,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-11-28 03:19:53,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:53,366 INFO L225 Difference]: With dead ends: 1580 [2020-11-28 03:19:53,367 INFO L226 Difference]: Without dead ends: 1054 [2020-11-28 03:19:53,368 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 [2020-11-28 03:19:53,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2020-11-28 03:19:53,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1052. [2020-11-28 03:19:53,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-28 03:19:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1365 transitions. [2020-11-28 03:19:53,407 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1365 transitions. Word has length 117 [2020-11-28 03:19:53,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:53,407 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1365 transitions. [2020-11-28 03:19:53,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:53,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1365 transitions. [2020-11-28 03:19:53,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-11-28 03:19:53,410 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:53,411 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:53,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:19:53,411 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:53,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:53,412 INFO L82 PathProgramCache]: Analyzing trace with hash 355106964, now seen corresponding path program 1 times [2020-11-28 03:19:53,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:53,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416560615] [2020-11-28 03:19:53,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:53,526 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:53,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416560615] [2020-11-28 03:19:53,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:53,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:53,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355883492] [2020-11-28 03:19:53,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:19:53,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:53,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:19:53,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:19:53,530 INFO L87 Difference]: Start difference. First operand 1052 states and 1365 transitions. Second operand 4 states. [2020-11-28 03:19:54,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:54,584 INFO L93 Difference]: Finished difference Result 2626 states and 3384 transitions. [2020-11-28 03:19:54,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:19:54,585 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2020-11-28 03:19:54,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:54,594 INFO L225 Difference]: With dead ends: 2626 [2020-11-28 03:19:54,594 INFO L226 Difference]: Without dead ends: 1576 [2020-11-28 03:19:54,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:19:54,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2020-11-28 03:19:54,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1314. [2020-11-28 03:19:54,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-11-28 03:19:54,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1657 transitions. [2020-11-28 03:19:54,639 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1657 transitions. Word has length 124 [2020-11-28 03:19:54,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:54,639 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1657 transitions. [2020-11-28 03:19:54,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:19:54,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1657 transitions. [2020-11-28 03:19:54,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-11-28 03:19:54,643 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:54,643 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:54,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:19:54,644 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:54,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:54,644 INFO L82 PathProgramCache]: Analyzing trace with hash -454004091, now seen corresponding path program 1 times [2020-11-28 03:19:54,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:54,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240090246] [2020-11-28 03:19:54,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:54,761 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:54,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240090246] [2020-11-28 03:19:54,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:54,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:54,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976396886] [2020-11-28 03:19:54,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:54,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:54,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:54,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:54,764 INFO L87 Difference]: Start difference. First operand 1314 states and 1657 transitions. Second operand 3 states. [2020-11-28 03:19:55,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:55,522 INFO L93 Difference]: Finished difference Result 3543 states and 4507 transitions. [2020-11-28 03:19:55,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:55,523 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-11-28 03:19:55,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:55,540 INFO L225 Difference]: With dead ends: 3543 [2020-11-28 03:19:55,541 INFO L226 Difference]: Without dead ends: 2231 [2020-11-28 03:19:55,543 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 [2020-11-28 03:19:55,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2020-11-28 03:19:55,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1838. [2020-11-28 03:19:55,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2020-11-28 03:19:55,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2349 transitions. [2020-11-28 03:19:55,600 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2349 transitions. Word has length 125 [2020-11-28 03:19:55,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:55,603 INFO L481 AbstractCegarLoop]: Abstraction has 1838 states and 2349 transitions. [2020-11-28 03:19:55,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:55,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2349 transitions. [2020-11-28 03:19:55,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-11-28 03:19:55,607 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:55,607 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:55,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:19:55,607 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:55,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:55,608 INFO L82 PathProgramCache]: Analyzing trace with hash -669569826, now seen corresponding path program 1 times [2020-11-28 03:19:55,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:55,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508462138] [2020-11-28 03:19:55,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:55,712 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 03:19:55,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508462138] [2020-11-28 03:19:55,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:55,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:55,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089755477] [2020-11-28 03:19:55,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:55,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:55,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:55,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:55,715 INFO L87 Difference]: Start difference. First operand 1838 states and 2349 transitions. Second operand 3 states. [2020-11-28 03:19:56,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:56,352 INFO L93 Difference]: Finished difference Result 4067 states and 5161 transitions. [2020-11-28 03:19:56,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:56,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-11-28 03:19:56,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:56,363 INFO L225 Difference]: With dead ends: 4067 [2020-11-28 03:19:56,364 INFO L226 Difference]: Without dead ends: 2231 [2020-11-28 03:19:56,366 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 [2020-11-28 03:19:56,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2020-11-28 03:19:56,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2231. [2020-11-28 03:19:56,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-11-28 03:19:56,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2760 transitions. [2020-11-28 03:19:56,414 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2760 transitions. Word has length 128 [2020-11-28 03:19:56,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:56,414 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2760 transitions. [2020-11-28 03:19:56,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:56,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2760 transitions. [2020-11-28 03:19:56,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-28 03:19:56,418 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:56,418 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:56,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:19:56,419 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:56,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:56,419 INFO L82 PathProgramCache]: Analyzing trace with hash -916849768, now seen corresponding path program 1 times [2020-11-28 03:19:56,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:56,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634684792] [2020-11-28 03:19:56,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:56,531 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 03:19:56,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634684792] [2020-11-28 03:19:56,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:56,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:56,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399111174] [2020-11-28 03:19:56,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:19:56,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:56,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:19:56,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:19:56,533 INFO L87 Difference]: Start difference. First operand 2231 states and 2760 transitions. Second operand 4 states. [2020-11-28 03:19:57,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:57,476 INFO L93 Difference]: Finished difference Result 4591 states and 5667 transitions. [2020-11-28 03:19:57,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:19:57,477 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 132 [2020-11-28 03:19:57,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:57,488 INFO L225 Difference]: With dead ends: 4591 [2020-11-28 03:19:57,488 INFO L226 Difference]: Without dead ends: 2362 [2020-11-28 03:19:57,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:19:57,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-11-28 03:19:57,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2100. [2020-11-28 03:19:57,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2020-11-28 03:19:57,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2557 transitions. [2020-11-28 03:19:57,536 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2557 transitions. Word has length 132 [2020-11-28 03:19:57,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:57,536 INFO L481 AbstractCegarLoop]: Abstraction has 2100 states and 2557 transitions. [2020-11-28 03:19:57,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:19:57,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2557 transitions. [2020-11-28 03:19:57,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-11-28 03:19:57,541 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:57,541 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:57,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:19:57,542 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:57,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:57,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1227330560, now seen corresponding path program 1 times [2020-11-28 03:19:57,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:57,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531705257] [2020-11-28 03:19:57,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:57,648 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 03:19:57,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531705257] [2020-11-28 03:19:57,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:57,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:57,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560563446] [2020-11-28 03:19:57,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:57,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:57,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:57,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:57,650 INFO L87 Difference]: Start difference. First operand 2100 states and 2557 transitions. Second operand 3 states. [2020-11-28 03:19:58,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:58,328 INFO L93 Difference]: Finished difference Result 4984 states and 6042 transitions. [2020-11-28 03:19:58,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:58,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-11-28 03:19:58,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:58,340 INFO L225 Difference]: With dead ends: 4984 [2020-11-28 03:19:58,340 INFO L226 Difference]: Without dead ends: 2362 [2020-11-28 03:19:58,344 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 [2020-11-28 03:19:58,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-11-28 03:19:58,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2100. [2020-11-28 03:19:58,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2020-11-28 03:19:58,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2349 transitions. [2020-11-28 03:19:58,396 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2349 transitions. Word has length 153 [2020-11-28 03:19:58,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:58,397 INFO L481 AbstractCegarLoop]: Abstraction has 2100 states and 2349 transitions. [2020-11-28 03:19:58,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:58,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2349 transitions. [2020-11-28 03:19:58,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-28 03:19:58,401 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:58,402 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:58,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:19:58,402 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:58,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:58,403 INFO L82 PathProgramCache]: Analyzing trace with hash -969622532, now seen corresponding path program 1 times [2020-11-28 03:19:58,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:58,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473324045] [2020-11-28 03:19:58,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:58,493 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-28 03:19:58,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473324045] [2020-11-28 03:19:58,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:58,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:58,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548567226] [2020-11-28 03:19:58,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:58,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:58,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:58,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:58,501 INFO L87 Difference]: Start difference. First operand 2100 states and 2349 transitions. Second operand 3 states. [2020-11-28 03:19:59,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:59,038 INFO L93 Difference]: Finished difference Result 4460 states and 4986 transitions. [2020-11-28 03:19:59,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:59,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-11-28 03:19:59,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:59,049 INFO L225 Difference]: With dead ends: 4460 [2020-11-28 03:19:59,049 INFO L226 Difference]: Without dead ends: 2362 [2020-11-28 03:19:59,053 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 [2020-11-28 03:19:59,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-11-28 03:19:59,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2231. [2020-11-28 03:19:59,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-11-28 03:19:59,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2487 transitions. [2020-11-28 03:19:59,097 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2487 transitions. Word has length 157 [2020-11-28 03:19:59,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:59,097 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2487 transitions. [2020-11-28 03:19:59,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:59,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2487 transitions. [2020-11-28 03:19:59,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-11-28 03:19:59,101 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:59,101 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:59,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:19:59,102 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:59,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:59,102 INFO L82 PathProgramCache]: Analyzing trace with hash 599875458, now seen corresponding path program 1 times [2020-11-28 03:19:59,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:59,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324261105] [2020-11-28 03:19:59,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:59,213 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-28 03:19:59,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324261105] [2020-11-28 03:19:59,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313396772] [2020-11-28 03:19:59,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4359ba2b-007c-4b37-ae86-1511ba23c7ab/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 [2020-11-28 03:19:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:59,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:19:59,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:59,537 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-28 03:19:59,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:19:59,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 03:19:59,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172711766] [2020-11-28 03:19:59,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:59,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:59,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:59,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:59,540 INFO L87 Difference]: Start difference. First operand 2231 states and 2487 transitions. Second operand 3 states. [2020-11-28 03:20:00,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:00,125 INFO L93 Difference]: Finished difference Result 4851 states and 5443 transitions. [2020-11-28 03:20:00,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:00,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-11-28 03:20:00,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:00,127 INFO L225 Difference]: With dead ends: 4851 [2020-11-28 03:20:00,127 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:20:00,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:00,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:20:00,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:20:00,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:20:00,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:20:00,132 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-11-28 03:20:00,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:00,132 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:20:00,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:00,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:20:00,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:20:00,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-28 03:20:00,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:20:00,493 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-28 03:20:00,493 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-28 03:20:00,493 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-28 03:20:00,494 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-28 03:20:00,494 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-28 03:20:00,494 INFO L274 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-11-28 03:20:00,494 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-11-28 03:20:00,494 INFO L274 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-11-28 03:20:00,494 INFO L274 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,494 INFO L274 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,494 INFO L274 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,494 INFO L274 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,494 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-28 03:20:00,494 INFO L274 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,494 INFO L274 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,494 INFO L274 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-11-28 03:20:00,494 INFO L274 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-11-28 03:20:00,494 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-28 03:20:00,494 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-28 03:20:00,494 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-28 03:20:00,495 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-28 03:20:00,495 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-28 03:20:00,495 INFO L274 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-11-28 03:20:00,495 INFO L274 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-11-28 03:20:00,495 INFO L274 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-11-28 03:20:00,495 INFO L274 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-11-28 03:20:00,495 INFO L274 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-11-28 03:20:00,495 INFO L274 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,495 INFO L274 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,495 INFO L274 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,495 INFO L274 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,495 INFO L274 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,495 INFO L274 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-11-28 03:20:00,495 INFO L274 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,495 INFO L274 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-11-28 03:20:00,495 INFO L274 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-11-28 03:20:00,495 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-28 03:20:00,495 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-28 03:20:00,496 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-28 03:20:00,496 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-28 03:20:00,496 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-28 03:20:00,496 INFO L274 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-11-28 03:20:00,496 INFO L274 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-11-28 03:20:00,496 INFO L274 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-11-28 03:20:00,496 INFO L274 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-11-28 03:20:00,496 INFO L274 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-11-28 03:20:00,496 INFO L274 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-11-28 03:20:00,496 INFO L274 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-11-28 03:20:00,496 INFO L274 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,496 INFO L274 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,496 INFO L274 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,496 INFO L274 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,496 INFO L274 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,496 INFO L274 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,496 INFO L274 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-11-28 03:20:00,496 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-28 03:20:00,497 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-28 03:20:00,497 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-28 03:20:00,497 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-28 03:20:00,497 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-28 03:20:00,497 INFO L274 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-11-28 03:20:00,497 INFO L274 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-11-28 03:20:00,497 INFO L274 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-11-28 03:20:00,497 INFO L274 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-11-28 03:20:00,497 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:20:00,497 INFO L274 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-11-28 03:20:00,497 INFO L274 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-11-28 03:20:00,497 INFO L274 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,497 INFO L274 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,497 INFO L274 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,497 INFO L274 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,497 INFO L274 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,497 INFO L274 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,497 INFO L274 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-11-28 03:20:00,498 INFO L274 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-11-28 03:20:00,498 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-28 03:20:00,498 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-28 03:20:00,498 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-28 03:20:00,498 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-28 03:20:00,498 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-28 03:20:00,498 INFO L274 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-11-28 03:20:00,498 INFO L274 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-11-28 03:20:00,498 INFO L274 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-11-28 03:20:00,498 INFO L274 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,498 INFO L274 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,498 INFO L274 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,498 INFO L274 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,498 INFO L274 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,498 INFO L274 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,498 INFO L274 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-11-28 03:20:00,498 INFO L274 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-11-28 03:20:00,498 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-28 03:20:00,499 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-28 03:20:00,499 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-28 03:20:00,499 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-28 03:20:00,499 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-28 03:20:00,499 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-11-28 03:20:00,499 INFO L274 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-11-28 03:20:00,499 INFO L274 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-11-28 03:20:00,499 INFO L274 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-11-28 03:20:00,499 INFO L274 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-11-28 03:20:00,499 INFO L274 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-11-28 03:20:00,499 INFO L274 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-11-28 03:20:00,499 INFO L274 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-11-28 03:20:00,499 INFO L274 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,499 INFO L274 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,499 INFO L274 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,499 INFO L274 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,499 INFO L274 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,499 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:20:00,500 INFO L274 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-11-28 03:20:00,500 INFO L274 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-11-28 03:20:00,500 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-28 03:20:00,500 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-28 03:20:00,500 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-28 03:20:00,500 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-28 03:20:00,500 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-28 03:20:00,500 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-28 03:20:00,500 INFO L274 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-11-28 03:20:00,500 INFO L270 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1))) (or (<= ~a16~0 5) (and .cse0 (<= ~a8~0 13)) (and (= ~a21~0 1) .cse0) (<= 15 ~a8~0))) [2020-11-28 03:20:00,500 INFO L274 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,500 INFO L274 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,500 INFO L274 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,500 INFO L274 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,500 INFO L274 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,501 INFO L274 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-11-28 03:20:00,501 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-28 03:20:00,501 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-28 03:20:00,501 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-28 03:20:00,501 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-28 03:20:00,501 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-28 03:20:00,501 INFO L274 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-11-28 03:20:00,501 INFO L274 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-11-28 03:20:00,501 INFO L274 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-11-28 03:20:00,501 INFO L274 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-11-28 03:20:00,507 INFO L274 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-11-28 03:20:00,508 INFO L274 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-11-28 03:20:00,508 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:20:00,508 INFO L274 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-11-28 03:20:00,508 INFO L277 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-11-28 03:20:00,508 INFO L274 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,508 INFO L274 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,508 INFO L274 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,508 INFO L274 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,508 INFO L274 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,508 INFO L274 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-11-28 03:20:00,509 INFO L274 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-11-28 03:20:00,509 INFO L274 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-11-28 03:20:00,509 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-28 03:20:00,509 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-28 03:20:00,509 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-28 03:20:00,509 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-28 03:20:00,509 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-28 03:20:00,509 INFO L274 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-11-28 03:20:00,509 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:20:00,509 INFO L274 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,509 INFO L274 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,509 INFO L274 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,509 INFO L274 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,509 INFO L274 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-11-28 03:20:00,509 INFO L274 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,509 INFO L274 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-11-28 03:20:00,509 INFO L274 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-11-28 03:20:00,509 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-28 03:20:00,509 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-28 03:20:00,510 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-28 03:20:00,510 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-28 03:20:00,510 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-28 03:20:00,510 INFO L274 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-11-28 03:20:00,510 INFO L274 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-11-28 03:20:00,510 INFO L274 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-11-28 03:20:00,510 INFO L274 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-11-28 03:20:00,510 INFO L274 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-11-28 03:20:00,510 INFO L274 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-11-28 03:20:00,510 INFO L274 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,510 INFO L270 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1))) (or (<= ~a16~0 5) (and .cse0 (<= ~a8~0 13)) (and (= ~a21~0 1) .cse0) (<= 15 ~a8~0))) [2020-11-28 03:20:00,510 INFO L274 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,510 INFO L274 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,510 INFO L274 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,510 INFO L274 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,510 INFO L274 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-11-28 03:20:00,510 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:20:00,510 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:20:00,510 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-28 03:20:00,511 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-28 03:20:00,511 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-28 03:20:00,511 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-28 03:20:00,511 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-28 03:20:00,511 INFO L274 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-11-28 03:20:00,511 INFO L274 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-11-28 03:20:00,511 INFO L274 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,511 INFO L274 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,511 INFO L274 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,511 INFO L274 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,511 INFO L274 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:00,511 INFO L274 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-11-28 03:20:00,511 INFO L274 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-11-28 03:20:00,511 INFO L274 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-11-28 03:20:00,511 INFO L274 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-11-28 03:20:00,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:20:00 BoogieIcfgContainer [2020-11-28 03:20:00,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:20:00,531 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:20:00,531 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:20:00,531 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:20:00,532 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:49" (3/4) ... [2020-11-28 03:20:00,534 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:20:00,567 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:20:00,569 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:20:00,570 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:00,571 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:00,716 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4359ba2b-007c-4b37-ae86-1511ba23c7ab/bin/uautomizer/witness.graphml [2020-11-28 03:20:00,716 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:20:00,718 INFO L168 Benchmark]: Toolchain (without parser) took 13627.93 ms. Allocated memory was 100.7 MB in the beginning and 283.1 MB in the end (delta: 182.5 MB). Free memory was 63.5 MB in the beginning and 162.0 MB in the end (delta: -98.6 MB). Peak memory consumption was 82.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:00,718 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 100.7 MB. Free memory was 71.5 MB in the beginning and 71.5 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:00,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.27 ms. Allocated memory is still 100.7 MB. Free memory was 63.3 MB in the beginning and 59.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:00,719 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.42 ms. Allocated memory is still 100.7 MB. Free memory was 59.5 MB in the beginning and 54.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:00,719 INFO L168 Benchmark]: Boogie Preprocessor took 61.90 ms. Allocated memory is still 100.7 MB. Free memory was 54.0 MB in the beginning and 49.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:00,720 INFO L168 Benchmark]: RCFGBuilder took 1661.32 ms. Allocated memory was 100.7 MB in the beginning and 140.5 MB in the end (delta: 39.8 MB). Free memory was 49.5 MB in the beginning and 86.1 MB in the end (delta: -36.7 MB). Peak memory consumption was 43.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:00,720 INFO L168 Benchmark]: TraceAbstraction took 10998.44 ms. Allocated memory was 140.5 MB in the beginning and 283.1 MB in the end (delta: 142.6 MB). Free memory was 86.1 MB in the beginning and 177.7 MB in the end (delta: -91.6 MB). Peak memory consumption was 52.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:00,721 INFO L168 Benchmark]: Witness Printer took 185.23 ms. Allocated memory is still 283.1 MB. Free memory was 176.7 MB in the beginning and 162.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:00,723 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 100.7 MB. Free memory was 71.5 MB in the beginning and 71.5 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 607.27 ms. Allocated memory is still 100.7 MB. Free memory was 63.3 MB in the beginning and 59.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.42 ms. Allocated memory is still 100.7 MB. Free memory was 59.5 MB in the beginning and 54.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.90 ms. Allocated memory is still 100.7 MB. Free memory was 54.0 MB in the beginning and 49.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1661.32 ms. Allocated memory was 100.7 MB in the beginning and 140.5 MB in the end (delta: 39.8 MB). Free memory was 49.5 MB in the beginning and 86.1 MB in the end (delta: -36.7 MB). Peak memory consumption was 43.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10998.44 ms. Allocated memory was 140.5 MB in the beginning and 283.1 MB in the end (delta: 142.6 MB). Free memory was 86.1 MB in the beginning and 177.7 MB in the end (delta: -91.6 MB). Peak memory consumption was 52.0 MB. Max. memory is 16.1 GB. * Witness Printer took 185.23 ms. Allocated memory is still 283.1 MB. Free memory was 176.7 MB in the beginning and 162.0 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: 40]: Loop Invariant Derived loop invariant: ((a16 <= 5 || (a20 == 1 && a8 <= 13)) || (a21 == 1 && a20 == 1)) || 15 <= a8 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((a16 <= 5 || (a20 == 1 && a8 <= 13)) || (a21 == 1 && a20 == 1)) || 15 <= a8 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.7s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 532 SDtfs, 1441 SDslu, 61 SDs, 0 SdLazy, 3758 SolverSat, 726 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2231occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 1312 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 57 NumberOfFragments, 43 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1596 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1486 NumberOfCodeBlocks, 1486 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1475 ConstructedInterpolants, 0 QuantifiedInterpolants, 385318 SizeOfPredicates, 1 NumberOfNonLiveVariables, 366 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 357/360 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...