./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label01.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_b5d293e7-2677-4ece-9e65-5f1553ec24b0/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b5d293e7-2677-4ece-9e65-5f1553ec24b0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b5d293e7-2677-4ece-9e65-5f1553ec24b0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b5d293e7-2677-4ece-9e65-5f1553ec24b0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label01.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b5d293e7-2677-4ece-9e65-5f1553ec24b0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b5d293e7-2677-4ece-9e65-5f1553ec24b0/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 083929d0ff0bd9151d75d230540032d7b88e56ba ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:20:28,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:20:28,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:20:28,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:20:28,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:20:28,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:20:28,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:20:28,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:20:28,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:20:28,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:20:28,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:20:28,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:20:28,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:20:28,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:20:28,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:20:28,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:20:28,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:20:28,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:20:28,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:20:28,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:20:28,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:20:28,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:20:28,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:20:28,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:20:28,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:20:28,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:20:28,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:20:28,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:20:28,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:20:28,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:20:28,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:20:28,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:20:28,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:20:28,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:20:28,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:20:28,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:20:28,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:20:28,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:20:28,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:20:28,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:20:28,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:20:28,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b5d293e7-2677-4ece-9e65-5f1553ec24b0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:20:28,272 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:20:28,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:20:28,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:20:28,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:20:28,275 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:20:28,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:20:28,276 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:20:28,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:20:28,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:20:28,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:20:28,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:20:28,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:20:28,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:20:28,278 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:20:28,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:20:28,279 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:20:28,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:20:28,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:20:28,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:20:28,280 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:20:28,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:20:28,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:20:28,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:20:28,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:20:28,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:20:28,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:20:28,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:20:28,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:20:28,282 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:20:28,282 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_b5d293e7-2677-4ece-9e65-5f1553ec24b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b5d293e7-2677-4ece-9e65-5f1553ec24b0/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 083929d0ff0bd9151d75d230540032d7b88e56ba [2020-11-28 03:20:28,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:20:28,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:20:28,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:20:28,587 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:20:28,589 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:20:28,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b5d293e7-2677-4ece-9e65-5f1553ec24b0/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label01.c [2020-11-28 03:20:28,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5d293e7-2677-4ece-9e65-5f1553ec24b0/bin/uautomizer/data/755cde6ba/56b4061ce0aa4096b8b014adcb67fda6/FLAG8cd71dd9f [2020-11-28 03:20:29,307 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:20:29,308 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b5d293e7-2677-4ece-9e65-5f1553ec24b0/sv-benchmarks/c/eca-rers2012/Problem10_label01.c [2020-11-28 03:20:29,327 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5d293e7-2677-4ece-9e65-5f1553ec24b0/bin/uautomizer/data/755cde6ba/56b4061ce0aa4096b8b014adcb67fda6/FLAG8cd71dd9f [2020-11-28 03:20:29,555 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b5d293e7-2677-4ece-9e65-5f1553ec24b0/bin/uautomizer/data/755cde6ba/56b4061ce0aa4096b8b014adcb67fda6 [2020-11-28 03:20:29,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:20:29,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:20:29,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:29,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:20:29,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:20:29,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:29" (1/1) ... [2020-11-28 03:20:29,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be12cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:29, skipping insertion in model container [2020-11-28 03:20:29,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:29" (1/1) ... [2020-11-28 03:20:29,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:20:29,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:20:30,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:30,104 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:20:30,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:30,303 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:20:30,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:30 WrapperNode [2020-11-28 03:20:30,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:30,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:30,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:20:30,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:20:30,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:30" (1/1) ... [2020-11-28 03:20:30,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:30" (1/1) ... [2020-11-28 03:20:30,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:30,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:20:30,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:20:30,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:20:30,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:30" (1/1) ... [2020-11-28 03:20:30,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:30" (1/1) ... [2020-11-28 03:20:30,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:30" (1/1) ... [2020-11-28 03:20:30,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:30" (1/1) ... [2020-11-28 03:20:30,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:30" (1/1) ... [2020-11-28 03:20:30,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:30" (1/1) ... [2020-11-28 03:20:30,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:30" (1/1) ... [2020-11-28 03:20:30,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:20:30,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:20:30,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:20:30,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:20:30,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d293e7-2677-4ece-9e65-5f1553ec24b0/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 03:20:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:20:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:20:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:20:30,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:20:32,291 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:20:32,291 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:20:32,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:32 BoogieIcfgContainer [2020-11-28 03:20:32,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:20:32,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:20:32,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:20:32,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:20:32,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:20:29" (1/3) ... [2020-11-28 03:20:32,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64145e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:32, skipping insertion in model container [2020-11-28 03:20:32,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:30" (2/3) ... [2020-11-28 03:20:32,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64145e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:32, skipping insertion in model container [2020-11-28 03:20:32,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:32" (3/3) ... [2020-11-28 03:20:32,303 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label01.c [2020-11-28 03:20:32,323 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:20:32,328 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:20:32,342 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:20:32,387 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:20:32,387 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:20:32,387 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:20:32,387 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:20:32,387 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:20:32,387 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:20:32,388 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:20:32,388 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:20:32,413 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-11-28 03:20:32,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 03:20:32,422 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:32,423 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] [2020-11-28 03:20:32,424 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:32,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:32,430 INFO L82 PathProgramCache]: Analyzing trace with hash -92557335, now seen corresponding path program 1 times [2020-11-28 03:20:32,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:32,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930252683] [2020-11-28 03:20:32,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:32,903 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 03:20:32,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930252683] [2020-11-28 03:20:32,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:32,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:32,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511570767] [2020-11-28 03:20:32,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:20:32,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:32,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:20:32,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:20:32,929 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-11-28 03:20:35,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:35,177 INFO L93 Difference]: Finished difference Result 697 states and 1249 transitions. [2020-11-28 03:20:35,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:20:35,178 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-11-28 03:20:35,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:35,196 INFO L225 Difference]: With dead ends: 697 [2020-11-28 03:20:35,196 INFO L226 Difference]: Without dead ends: 421 [2020-11-28 03:20:35,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:35,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-11-28 03:20:35,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-11-28 03:20:35,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-11-28 03:20:35,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions. [2020-11-28 03:20:35,289 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 53 [2020-11-28 03:20:35,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:35,290 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 581 transitions. [2020-11-28 03:20:35,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:20:35,291 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions. [2020-11-28 03:20:35,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-11-28 03:20:35,304 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:35,304 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-28 03:20:35,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:20:35,305 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:35,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:35,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1546557123, now seen corresponding path program 1 times [2020-11-28 03:20:35,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:35,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115902624] [2020-11-28 03:20:35,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:35,765 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-11-28 03:20:35,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115902624] [2020-11-28 03:20:35,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:35,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:35,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188562345] [2020-11-28 03:20:35,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:35,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:35,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:35,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:35,772 INFO L87 Difference]: Start difference. First operand 421 states and 581 transitions. Second operand 3 states. [2020-11-28 03:20:36,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:36,541 INFO L93 Difference]: Finished difference Result 979 states and 1440 transitions. [2020-11-28 03:20:36,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:36,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2020-11-28 03:20:36,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:36,553 INFO L225 Difference]: With dead ends: 979 [2020-11-28 03:20:36,553 INFO L226 Difference]: Without dead ends: 699 [2020-11-28 03:20:36,555 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 03:20:36,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-11-28 03:20:36,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 560. [2020-11-28 03:20:36,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-11-28 03:20:36,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 735 transitions. [2020-11-28 03:20:36,587 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 735 transitions. Word has length 234 [2020-11-28 03:20:36,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:36,588 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 735 transitions. [2020-11-28 03:20:36,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:36,588 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 735 transitions. [2020-11-28 03:20:36,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-28 03:20:36,601 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:36,602 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-28 03:20:36,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:20:36,602 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:36,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:36,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1130493134, now seen corresponding path program 1 times [2020-11-28 03:20:36,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:36,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772245227] [2020-11-28 03:20:36,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:36,871 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-11-28 03:20:36,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772245227] [2020-11-28 03:20:36,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:36,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:20:36,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96474202] [2020-11-28 03:20:36,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:36,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:36,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:36,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:36,880 INFO L87 Difference]: Start difference. First operand 560 states and 735 transitions. Second operand 3 states. [2020-11-28 03:20:37,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:37,701 INFO L93 Difference]: Finished difference Result 1118 states and 1533 transitions. [2020-11-28 03:20:37,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:37,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2020-11-28 03:20:37,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:37,707 INFO L225 Difference]: With dead ends: 1118 [2020-11-28 03:20:37,707 INFO L226 Difference]: Without dead ends: 699 [2020-11-28 03:20:37,708 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 03:20:37,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-11-28 03:20:37,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-11-28 03:20:37,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-11-28 03:20:37,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 894 transitions. [2020-11-28 03:20:37,734 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 894 transitions. Word has length 240 [2020-11-28 03:20:37,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:37,735 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 894 transitions. [2020-11-28 03:20:37,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:37,735 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 894 transitions. [2020-11-28 03:20:37,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-11-28 03:20:37,744 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:37,745 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:37,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:20:37,745 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:37,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:37,749 INFO L82 PathProgramCache]: Analyzing trace with hash -433040196, now seen corresponding path program 1 times [2020-11-28 03:20:37,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:37,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820439040] [2020-11-28 03:20:37,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:37,995 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-11-28 03:20:37,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820439040] [2020-11-28 03:20:37,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:37,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:37,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208371935] [2020-11-28 03:20:37,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:37,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:37,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:37,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:37,999 INFO L87 Difference]: Start difference. First operand 699 states and 894 transitions. Second operand 3 states. [2020-11-28 03:20:38,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:38,782 INFO L93 Difference]: Finished difference Result 1396 states and 1831 transitions. [2020-11-28 03:20:38,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:38,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 308 [2020-11-28 03:20:38,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:38,788 INFO L225 Difference]: With dead ends: 1396 [2020-11-28 03:20:38,788 INFO L226 Difference]: Without dead ends: 838 [2020-11-28 03:20:38,789 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 03:20:38,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-11-28 03:20:38,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-11-28 03:20:38,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-11-28 03:20:38,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1043 transitions. [2020-11-28 03:20:38,813 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1043 transitions. Word has length 308 [2020-11-28 03:20:38,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:38,815 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1043 transitions. [2020-11-28 03:20:38,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:38,815 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1043 transitions. [2020-11-28 03:20:38,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-11-28 03:20:38,821 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:38,822 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:20:38,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:20:38,822 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:38,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:38,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1208399846, now seen corresponding path program 1 times [2020-11-28 03:20:38,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:38,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435381168] [2020-11-28 03:20:38,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:39,304 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-11-28 03:20:39,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435381168] [2020-11-28 03:20:39,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:39,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:20:39,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044867038] [2020-11-28 03:20:39,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:20:39,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:39,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:20:39,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:20:39,308 INFO L87 Difference]: Start difference. First operand 838 states and 1043 transitions. Second operand 7 states. [2020-11-28 03:20:40,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:40,008 INFO L93 Difference]: Finished difference Result 1590 states and 1995 transitions. [2020-11-28 03:20:40,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:20:40,009 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 317 [2020-11-28 03:20:40,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:40,014 INFO L225 Difference]: With dead ends: 1590 [2020-11-28 03:20:40,014 INFO L226 Difference]: Without dead ends: 838 [2020-11-28 03:20:40,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:20:40,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-11-28 03:20:40,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-11-28 03:20:40,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-11-28 03:20:40,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1039 transitions. [2020-11-28 03:20:40,054 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1039 transitions. Word has length 317 [2020-11-28 03:20:40,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:40,054 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1039 transitions. [2020-11-28 03:20:40,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:20:40,054 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1039 transitions. [2020-11-28 03:20:40,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-11-28 03:20:40,061 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:40,062 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:40,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:20:40,062 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:40,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:40,063 INFO L82 PathProgramCache]: Analyzing trace with hash 2029474828, now seen corresponding path program 1 times [2020-11-28 03:20:40,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:40,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118871948] [2020-11-28 03:20:40,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:40,680 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 352 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:40,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118871948] [2020-11-28 03:20:40,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064043803] [2020-11-28 03:20:40,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d293e7-2677-4ece-9e65-5f1553ec24b0/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 03:20:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:40,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:20:40,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:41,192 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 330 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-28 03:20:41,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:20:41,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-28 03:20:41,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319536825] [2020-11-28 03:20:41,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:41,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:41,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:41,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:20:41,195 INFO L87 Difference]: Start difference. First operand 838 states and 1039 transitions. Second operand 3 states. [2020-11-28 03:20:42,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:42,063 INFO L93 Difference]: Finished difference Result 2091 states and 2637 transitions. [2020-11-28 03:20:42,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:42,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 353 [2020-11-28 03:20:42,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:42,074 INFO L225 Difference]: With dead ends: 2091 [2020-11-28 03:20:42,075 INFO L226 Difference]: Without dead ends: 1394 [2020-11-28 03:20:42,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:20:42,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-11-28 03:20:42,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394. [2020-11-28 03:20:42,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2020-11-28 03:20:42,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1670 transitions. [2020-11-28 03:20:42,111 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1670 transitions. Word has length 353 [2020-11-28 03:20:42,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:42,111 INFO L481 AbstractCegarLoop]: Abstraction has 1394 states and 1670 transitions. [2020-11-28 03:20:42,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:42,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1670 transitions. [2020-11-28 03:20:42,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2020-11-28 03:20:42,120 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:42,121 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:42,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-28 03:20:42,336 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:42,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:42,337 INFO L82 PathProgramCache]: Analyzing trace with hash 188653550, now seen corresponding path program 1 times [2020-11-28 03:20:42,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:42,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519094731] [2020-11-28 03:20:42,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:42,863 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 102 proven. 232 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-11-28 03:20:42,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519094731] [2020-11-28 03:20:42,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359899487] [2020-11-28 03:20:42,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d293e7-2677-4ece-9e65-5f1553ec24b0/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:20:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:43,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:20:43,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:43,228 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-11-28 03:20:43,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:20:43,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-28 03:20:43,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720994478] [2020-11-28 03:20:43,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:43,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:43,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:43,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:43,231 INFO L87 Difference]: Start difference. First operand 1394 states and 1670 transitions. Second operand 3 states. [2020-11-28 03:20:44,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:44,040 INFO L93 Difference]: Finished difference Result 3064 states and 3736 transitions. [2020-11-28 03:20:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:44,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 366 [2020-11-28 03:20:44,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:44,052 INFO L225 Difference]: With dead ends: 3064 [2020-11-28 03:20:44,052 INFO L226 Difference]: Without dead ends: 1811 [2020-11-28 03:20:44,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:44,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2020-11-28 03:20:44,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1672. [2020-11-28 03:20:44,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2020-11-28 03:20:44,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1973 transitions. [2020-11-28 03:20:44,096 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1973 transitions. Word has length 366 [2020-11-28 03:20:44,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:44,097 INFO L481 AbstractCegarLoop]: Abstraction has 1672 states and 1973 transitions. [2020-11-28 03:20:44,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:44,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1973 transitions. [2020-11-28 03:20:44,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2020-11-28 03:20:44,102 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:44,103 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:44,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:20:44,316 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:44,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:44,317 INFO L82 PathProgramCache]: Analyzing trace with hash 987241691, now seen corresponding path program 1 times [2020-11-28 03:20:44,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:44,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443098901] [2020-11-28 03:20:44,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:44,879 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-11-28 03:20:44,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443098901] [2020-11-28 03:20:44,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:44,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:44,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520791371] [2020-11-28 03:20:44,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:20:44,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:44,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:20:44,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:20:44,882 INFO L87 Difference]: Start difference. First operand 1672 states and 1973 transitions. Second operand 4 states. [2020-11-28 03:20:45,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:45,469 INFO L93 Difference]: Finished difference Result 3068 states and 3617 transitions. [2020-11-28 03:20:45,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:20:45,470 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 367 [2020-11-28 03:20:45,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:45,471 INFO L225 Difference]: With dead ends: 3068 [2020-11-28 03:20:45,471 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:20:45,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:20:45,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:20:45,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:20:45,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:20:45,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:20:45,475 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 367 [2020-11-28 03:20:45,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:45,475 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:20:45,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:20:45,475 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:20:45,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:20:45,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:20:45,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:20:45,660 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-28 03:20:45,660 INFO L274 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-11-28 03:20:45,660 INFO L274 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-11-28 03:20:45,660 INFO L274 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-11-28 03:20:45,660 INFO L274 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-11-28 03:20:45,660 INFO L274 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-11-28 03:20:45,661 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,661 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,661 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,661 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,661 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,661 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,661 INFO L274 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-11-28 03:20:45,661 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-28 03:20:45,661 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-28 03:20:45,662 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-28 03:20:45,662 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-28 03:20:45,662 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-28 03:20:45,662 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-28 03:20:45,662 INFO L274 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-11-28 03:20:45,662 INFO L274 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-11-28 03:20:45,662 INFO L274 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-11-28 03:20:45,662 INFO L274 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-11-28 03:20:45,662 INFO L274 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-11-28 03:20:45,662 INFO L274 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-11-28 03:20:45,662 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,663 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,663 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,663 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,663 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,663 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,663 INFO L274 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-11-28 03:20:45,663 INFO L274 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-11-28 03:20:45,663 INFO L274 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-11-28 03:20:45,663 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-28 03:20:45,663 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-28 03:20:45,663 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-28 03:20:45,664 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-28 03:20:45,664 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-28 03:20:45,667 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-28 03:20:45,667 INFO L274 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-11-28 03:20:45,667 INFO L274 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-11-28 03:20:45,668 INFO L274 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-11-28 03:20:45,668 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,668 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,668 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,668 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,668 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,668 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,668 INFO L274 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-11-28 03:20:45,668 INFO L274 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-11-28 03:20:45,669 INFO L274 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-11-28 03:20:45,669 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-28 03:20:45,669 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-28 03:20:45,669 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-28 03:20:45,669 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-28 03:20:45,669 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-28 03:20:45,669 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-28 03:20:45,669 INFO L274 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-11-28 03:20:45,669 INFO L274 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-11-28 03:20:45,669 INFO L274 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-11-28 03:20:45,669 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:20:45,669 INFO L274 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-11-28 03:20:45,670 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,670 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,670 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,670 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,670 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,670 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,670 INFO L274 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-11-28 03:20:45,670 INFO L274 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-11-28 03:20:45,670 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-28 03:20:45,670 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-28 03:20:45,670 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-28 03:20:45,671 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-28 03:20:45,671 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-28 03:20:45,671 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-28 03:20:45,671 INFO L274 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-11-28 03:20:45,671 INFO L274 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-11-28 03:20:45,671 INFO L274 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-11-28 03:20:45,671 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,671 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,671 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,671 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,671 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,672 INFO L274 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-11-28 03:20:45,672 INFO L274 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-11-28 03:20:45,672 INFO L274 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-11-28 03:20:45,672 INFO L274 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-11-28 03:20:45,672 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-28 03:20:45,672 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-28 03:20:45,672 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-28 03:20:45,672 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-28 03:20:45,672 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-28 03:20:45,672 INFO L274 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-11-28 03:20:45,672 INFO L274 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-11-28 03:20:45,673 INFO L274 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-11-28 03:20:45,673 INFO L274 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-11-28 03:20:45,673 INFO L274 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-11-28 03:20:45,673 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,673 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,673 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,673 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,673 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,673 INFO L274 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-11-28 03:20:45,673 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:20:45,673 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-28 03:20:45,673 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-28 03:20:45,674 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-28 03:20:45,674 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-28 03:20:45,674 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-28 03:20:45,674 INFO L270 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 4 ~a10~0) .cse1) (and (= ~a10~0 3) .cse0 .cse1) (and .cse0 (= ~a10~0 0) (<= (+ ~a1~0 551894) 0) .cse1) (and .cse0 .cse1 (not (= ~a19~0 6))))) [2020-11-28 03:20:45,674 INFO L274 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-11-28 03:20:45,674 INFO L274 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-11-28 03:20:45,674 INFO L274 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-11-28 03:20:45,675 INFO L274 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-11-28 03:20:45,675 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,675 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,675 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,675 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,675 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,675 INFO L274 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-11-28 03:20:45,675 INFO L274 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-11-28 03:20:45,675 INFO L274 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-11-28 03:20:45,675 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-28 03:20:45,675 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-28 03:20:45,675 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-28 03:20:45,676 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-28 03:20:45,680 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-28 03:20:45,681 INFO L274 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-11-28 03:20:45,681 INFO L274 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-11-28 03:20:45,681 INFO L277 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-11-28 03:20:45,681 INFO L274 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-11-28 03:20:45,681 INFO L274 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-11-28 03:20:45,681 INFO L274 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-11-28 03:20:45,681 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:20:45,681 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,681 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,681 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,681 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,682 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,682 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-28 03:20:45,682 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-28 03:20:45,682 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-28 03:20:45,682 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-28 03:20:45,682 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-28 03:20:45,682 INFO L274 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-11-28 03:20:45,682 INFO L274 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-11-28 03:20:45,682 INFO L274 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-11-28 03:20:45,682 INFO L274 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-11-28 03:20:45,682 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,682 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,683 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,683 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,683 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:20:45,683 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,683 INFO L274 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-11-28 03:20:45,683 INFO L274 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-11-28 03:20:45,683 INFO L274 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-11-28 03:20:45,683 INFO L274 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-11-28 03:20:45,683 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-28 03:20:45,683 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-28 03:20:45,683 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-28 03:20:45,684 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-28 03:20:45,684 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-28 03:20:45,684 INFO L274 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-11-28 03:20:45,684 INFO L274 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-11-28 03:20:45,684 INFO L274 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-11-28 03:20:45,684 INFO L270 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 4 ~a10~0) .cse1) (and (= ~a10~0 3) .cse0 .cse1) (and .cse0 (= ~a10~0 0) (<= (+ ~a1~0 551894) 0) .cse1) (and .cse0 .cse1 (not (= ~a19~0 6))))) [2020-11-28 03:20:45,684 INFO L274 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-11-28 03:20:45,684 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,684 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,684 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,685 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,685 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-28 03:20:45,685 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,685 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,685 INFO L274 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-11-28 03:20:45,685 INFO L274 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-11-28 03:20:45,685 INFO L274 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-11-28 03:20:45,685 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-28 03:20:45,685 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-28 03:20:45,685 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-28 03:20:45,685 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-28 03:20:45,685 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-28 03:20:45,686 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-28 03:20:45,686 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:20:45,686 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:20:45,686 INFO L274 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-11-28 03:20:45,686 INFO L274 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-11-28 03:20:45,686 INFO L274 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-11-28 03:20:45,686 INFO L274 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-11-28 03:20:45,686 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,686 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,686 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,686 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,687 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,687 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:45,687 INFO L274 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-11-28 03:20:45,687 INFO L274 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-11-28 03:20:45,687 INFO L274 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-11-28 03:20:45,687 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-28 03:20:45,687 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-28 03:20:45,687 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-28 03:20:45,687 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-28 03:20:45,687 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-28 03:20:45,687 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-28 03:20:45,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:20:45 BoogieIcfgContainer [2020-11-28 03:20:45,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:20:45,720 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:20:45,720 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:20:45,721 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:20:45,721 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:32" (3/4) ... [2020-11-28 03:20:45,726 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:20:45,757 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:20:45,759 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:20:45,760 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:45,761 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:45,935 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b5d293e7-2677-4ece-9e65-5f1553ec24b0/bin/uautomizer/witness.graphml [2020-11-28 03:20:45,935 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:20:45,937 INFO L168 Benchmark]: Toolchain (without parser) took 16376.24 ms. Allocated memory was 98.6 MB in the beginning and 373.3 MB in the end (delta: 274.7 MB). Free memory was 66.2 MB in the beginning and 257.5 MB in the end (delta: -191.3 MB). Peak memory consumption was 82.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:45,937 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 79.7 MB. Free memory is still 46.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:45,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.68 ms. Allocated memory is still 98.6 MB. Free memory was 65.9 MB in the beginning and 58.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:45,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.66 ms. Allocated memory is still 98.6 MB. Free memory was 58.6 MB in the beginning and 50.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:45,938 INFO L168 Benchmark]: Boogie Preprocessor took 159.74 ms. Allocated memory is still 98.6 MB. Free memory was 50.7 MB in the beginning and 69.5 MB in the end (delta: -18.7 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:45,939 INFO L168 Benchmark]: RCFGBuilder took 1654.90 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 69.5 MB in the beginning and 102.6 MB in the end (delta: -33.2 MB). Peak memory consumption was 49.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:45,939 INFO L168 Benchmark]: TraceAbstraction took 13424.31 ms. Allocated memory was 134.2 MB in the beginning and 373.3 MB in the end (delta: 239.1 MB). Free memory was 101.8 MB in the beginning and 272.2 MB in the end (delta: -170.4 MB). Peak memory consumption was 69.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:45,939 INFO L168 Benchmark]: Witness Printer took 214.61 ms. Allocated memory is still 373.3 MB. Free memory was 272.2 MB in the beginning and 257.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:45,941 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 79.7 MB. Free memory is still 46.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 742.68 ms. Allocated memory is still 98.6 MB. Free memory was 65.9 MB in the beginning and 58.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 172.66 ms. Allocated memory is still 98.6 MB. Free memory was 58.6 MB in the beginning and 50.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 159.74 ms. Allocated memory is still 98.6 MB. Free memory was 50.7 MB in the beginning and 69.5 MB in the end (delta: -18.7 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1654.90 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 69.5 MB in the beginning and 102.6 MB in the end (delta: -33.2 MB). Peak memory consumption was 49.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13424.31 ms. Allocated memory was 134.2 MB in the beginning and 373.3 MB in the end (delta: 239.1 MB). Free memory was 101.8 MB in the beginning and 272.2 MB in the end (delta: -170.4 MB). Peak memory consumption was 69.4 MB. Max. memory is 16.1 GB. * Witness Printer took 214.61 ms. Allocated memory is still 373.3 MB. Free memory was 272.2 MB in the beginning and 257.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((14 == a4 && 4 <= a10) && a12 == 0) || ((a10 == 3 && 14 == a4) && a12 == 0)) || (((14 == a4 && a10 == 0) && a1 + 551894 <= 0) && a12 == 0)) || ((14 == a4 && a12 == 0) && !(a19 == 6)) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((14 == a4 && 4 <= a10) && a12 == 0) || ((a10 == 3 && 14 == a4) && a12 == 0)) || (((14 == a4 && a10 == 0) && a1 + 551894 <= 0) && a12 == 0)) || ((14 == a4 && a12 == 0) && !(a19 == 6)) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.0s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 919 SDtfs, 1103 SDslu, 49 SDs, 0 SdLazy, 3371 SolverSat, 633 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 749 GetRequests, 727 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1672occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 278 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 32 NumberOfFragments, 95 HoareAnnotationTreeSize, 3 FomulaSimplifications, 414 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2957 NumberOfCodeBlocks, 2957 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2947 ConstructedInterpolants, 0 QuantifiedInterpolants, 4009506 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1013 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 2829/3106 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...