./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe007_pso.opt.i --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_4a8e642b-40fb-478e-894a-8cf6befe4f6d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4a8e642b-40fb-478e-894a-8cf6befe4f6d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4a8e642b-40fb-478e-894a-8cf6befe4f6d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4a8e642b-40fb-478e-894a-8cf6befe4f6d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe007_pso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4a8e642b-40fb-478e-894a-8cf6befe4f6d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4a8e642b-40fb-478e-894a-8cf6befe4f6d/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 e7a290263a62578c292b66ee7123308fce6a01e3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 03:15:15,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:15:15,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:15:15,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:15:15,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:15:15,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:15:15,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:15:15,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:15:15,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:15:15,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:15:15,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:15:15,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:15:15,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:15:15,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:15:15,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:15:15,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:15:15,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:15:15,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:15:15,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:15:15,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:15:15,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:15:15,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:15:15,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:15:15,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:15:15,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:15:15,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:15:15,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:15:15,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:15:15,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:15:15,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:15:15,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:15:15,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:15:15,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:15:15,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:15:15,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:15:15,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:15:15,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:15:15,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:15:15,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:15:15,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:15:15,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:15:15,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4a8e642b-40fb-478e-894a-8cf6befe4f6d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:15:15,801 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:15:15,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:15:15,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:15:15,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:15:15,804 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:15:15,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:15:15,804 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:15:15,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:15:15,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:15:15,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:15:15,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:15:15,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:15:15,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:15:15,806 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:15:15,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:15:15,807 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:15:15,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:15:15,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:15:15,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:15:15,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:15:15,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:15:15,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:15:15,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:15:15,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:15:15,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:15:15,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:15:15,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:15:15,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:15:15,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:15:15,811 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_4a8e642b-40fb-478e-894a-8cf6befe4f6d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4a8e642b-40fb-478e-894a-8cf6befe4f6d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7a290263a62578c292b66ee7123308fce6a01e3 [2020-11-28 03:15:16,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:15:16,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:15:16,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:15:16,205 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:15:16,208 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:15:16,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4a8e642b-40fb-478e-894a-8cf6befe4f6d/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe007_pso.opt.i [2020-11-28 03:15:16,317 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a8e642b-40fb-478e-894a-8cf6befe4f6d/bin/uautomizer/data/886debb0c/b6a34ca15ccc45febeb9be5966b63ebd/FLAG83ee8c391 [2020-11-28 03:15:17,029 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:15:17,030 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4a8e642b-40fb-478e-894a-8cf6befe4f6d/sv-benchmarks/c/pthread-wmm/safe007_pso.opt.i [2020-11-28 03:15:17,059 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a8e642b-40fb-478e-894a-8cf6befe4f6d/bin/uautomizer/data/886debb0c/b6a34ca15ccc45febeb9be5966b63ebd/FLAG83ee8c391 [2020-11-28 03:15:17,245 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4a8e642b-40fb-478e-894a-8cf6befe4f6d/bin/uautomizer/data/886debb0c/b6a34ca15ccc45febeb9be5966b63ebd [2020-11-28 03:15:17,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:15:17,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:15:17,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:15:17,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:15:17,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:15:17,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:15:17" (1/1) ... [2020-11-28 03:15:17,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c30401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:17, skipping insertion in model container [2020-11-28 03:15:17,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:15:17" (1/1) ... [2020-11-28 03:15:17,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:15:17,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:15:17,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:15:17,909 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:15:17,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:15:18,090 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:15:18,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:18 WrapperNode [2020-11-28 03:15:18,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:15:18,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:15:18,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:15:18,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:15:18,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:18" (1/1) ... [2020-11-28 03:15:18,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:18" (1/1) ... [2020-11-28 03:15:18,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:15:18,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:15:18,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:15:18,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:15:18,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:18" (1/1) ... [2020-11-28 03:15:18,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:18" (1/1) ... [2020-11-28 03:15:18,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:18" (1/1) ... [2020-11-28 03:15:18,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:18" (1/1) ... [2020-11-28 03:15:18,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:18" (1/1) ... [2020-11-28 03:15:18,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:18" (1/1) ... [2020-11-28 03:15:18,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:18" (1/1) ... [2020-11-28 03:15:18,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:15:18,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:15:18,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:15:18,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:15:18,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a8e642b-40fb-478e-894a-8cf6befe4f6d/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 03:15:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:15:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-28 03:15:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:15:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:15:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-28 03:15:18,372 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-28 03:15:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-28 03:15:18,373 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-28 03:15:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-28 03:15:18,375 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-28 03:15:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:15:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-28 03:15:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:15:18,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:15:18,377 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-28 03:15:19,019 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:15:19,019 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-28 03:15:19,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:19 BoogieIcfgContainer [2020-11-28 03:15:19,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:15:19,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:15:19,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:15:19,030 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:15:19,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:15:17" (1/3) ... [2020-11-28 03:15:19,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662b8f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:15:19, skipping insertion in model container [2020-11-28 03:15:19,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:18" (2/3) ... [2020-11-28 03:15:19,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662b8f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:15:19, skipping insertion in model container [2020-11-28 03:15:19,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:19" (3/3) ... [2020-11-28 03:15:19,035 INFO L111 eAbstractionObserver]: Analyzing ICFG safe007_pso.opt.i [2020-11-28 03:15:19,049 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-28 03:15:19,049 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:15:19,055 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:15:19,057 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-28 03:15:19,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,099 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,099 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,100 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,100 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,101 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,102 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,104 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,104 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,107 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,108 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,109 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,119 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,119 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,119 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,119 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,122 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,123 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:15:19,126 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-28 03:15:19,148 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-28 03:15:19,190 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:15:19,190 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:15:19,191 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:15:19,191 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:15:19,191 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:15:19,191 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:15:19,191 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:15:19,192 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:15:19,205 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-28 03:15:19,207 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 80 transitions, 175 flow [2020-11-28 03:15:19,210 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 80 transitions, 175 flow [2020-11-28 03:15:19,212 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 87 places, 80 transitions, 175 flow [2020-11-28 03:15:19,263 INFO L129 PetriNetUnfolder]: 3/77 cut-off events. [2020-11-28 03:15:19,263 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-28 03:15:19,268 INFO L80 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 77 events. 3/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 62 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2020-11-28 03:15:19,272 INFO L116 LiptonReduction]: Number of co-enabled transitions 1440 [2020-11-28 03:15:21,443 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-11-28 03:15:22,026 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-11-28 03:15:22,726 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-11-28 03:15:22,894 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-11-28 03:15:23,029 INFO L131 LiptonReduction]: Checked pairs total: 2810 [2020-11-28 03:15:23,029 INFO L133 LiptonReduction]: Total number of compositions: 73 [2020-11-28 03:15:23,035 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow [2020-11-28 03:15:23,070 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-11-28 03:15:23,073 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-11-28 03:15:23,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 03:15:23,081 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:15:23,081 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:15:23,082 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:15:23,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:23,089 INFO L82 PathProgramCache]: Analyzing trace with hash -853874994, now seen corresponding path program 1 times [2020-11-28 03:15:23,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:23,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680105112] [2020-11-28 03:15:23,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:23,393 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 03:15:23,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680105112] [2020-11-28 03:15:23,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:15:23,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-28 03:15:23,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050918781] [2020-11-28 03:15:23,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:15:23,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:15:23,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:15:23,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:15:23,422 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-11-28 03:15:23,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:15:23,504 INFO L93 Difference]: Finished difference Result 282 states and 808 transitions. [2020-11-28 03:15:23,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:15:23,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-28 03:15:23,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:15:23,536 INFO L225 Difference]: With dead ends: 282 [2020-11-28 03:15:23,536 INFO L226 Difference]: Without dead ends: 218 [2020-11-28 03:15:23,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 03:15:23,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-11-28 03:15:23,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2020-11-28 03:15:23,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-11-28 03:15:23,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 600 transitions. [2020-11-28 03:15:23,671 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 600 transitions. Word has length 8 [2020-11-28 03:15:23,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:15:23,672 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 600 transitions. [2020-11-28 03:15:23,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:15:23,672 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 600 transitions. [2020-11-28 03:15:23,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 03:15:23,674 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:15:23,674 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:15:23,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:15:23,675 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:15:23,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:23,676 INFO L82 PathProgramCache]: Analyzing trace with hash -700352928, now seen corresponding path program 1 times [2020-11-28 03:15:23,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:23,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503311139] [2020-11-28 03:15:23,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:23,832 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 03:15:23,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503311139] [2020-11-28 03:15:23,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:15:23,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:15:23,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704953651] [2020-11-28 03:15:23,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:15:23,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:15:23,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:15:23,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:15:23,837 INFO L87 Difference]: Start difference. First operand 218 states and 600 transitions. Second operand 4 states. [2020-11-28 03:15:23,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:15:23,876 INFO L93 Difference]: Finished difference Result 242 states and 634 transitions. [2020-11-28 03:15:23,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:15:23,878 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-28 03:15:23,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:15:23,884 INFO L225 Difference]: With dead ends: 242 [2020-11-28 03:15:23,884 INFO L226 Difference]: Without dead ends: 146 [2020-11-28 03:15:23,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 03:15:23,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-11-28 03:15:23,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-11-28 03:15:23,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-11-28 03:15:23,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 362 transitions. [2020-11-28 03:15:23,901 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 362 transitions. Word has length 9 [2020-11-28 03:15:23,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:15:23,901 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 362 transitions. [2020-11-28 03:15:23,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:15:23,902 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 362 transitions. [2020-11-28 03:15:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 03:15:23,903 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:15:23,904 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:15:23,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:15:23,904 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:15:23,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:23,905 INFO L82 PathProgramCache]: Analyzing trace with hash 2063010818, now seen corresponding path program 1 times [2020-11-28 03:15:23,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:23,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58935678] [2020-11-28 03:15:23,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:23,998 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 03:15:23,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58935678] [2020-11-28 03:15:23,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:15:23,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-28 03:15:23,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514893831] [2020-11-28 03:15:23,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:15:24,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:15:24,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:15:24,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:15:24,001 INFO L87 Difference]: Start difference. First operand 146 states and 362 transitions. Second operand 3 states. [2020-11-28 03:15:24,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:15:24,015 INFO L93 Difference]: Finished difference Result 140 states and 343 transitions. [2020-11-28 03:15:24,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:15:24,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-11-28 03:15:24,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:15:24,019 INFO L225 Difference]: With dead ends: 140 [2020-11-28 03:15:24,019 INFO L226 Difference]: Without dead ends: 140 [2020-11-28 03:15:24,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 03:15:24,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-11-28 03:15:24,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2020-11-28 03:15:24,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-11-28 03:15:24,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 343 transitions. [2020-11-28 03:15:24,041 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 343 transitions. Word has length 11 [2020-11-28 03:15:24,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:15:24,041 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 343 transitions. [2020-11-28 03:15:24,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:15:24,041 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 343 transitions. [2020-11-28 03:15:24,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 03:15:24,043 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:15:24,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:15:24,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:15:24,044 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:15:24,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:24,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1374781277, now seen corresponding path program 1 times [2020-11-28 03:15:24,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:24,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094904219] [2020-11-28 03:15:24,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:24,170 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 03:15:24,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094904219] [2020-11-28 03:15:24,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:15:24,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:15:24,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331573060] [2020-11-28 03:15:24,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:15:24,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:15:24,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:15:24,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:15:24,193 INFO L87 Difference]: Start difference. First operand 140 states and 343 transitions. Second operand 4 states. [2020-11-28 03:15:24,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:15:24,231 INFO L93 Difference]: Finished difference Result 158 states and 376 transitions. [2020-11-28 03:15:24,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:15:24,233 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-28 03:15:24,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:15:24,234 INFO L225 Difference]: With dead ends: 158 [2020-11-28 03:15:24,235 INFO L226 Difference]: Without dead ends: 68 [2020-11-28 03:15:24,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 03:15:24,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-11-28 03:15:24,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-11-28 03:15:24,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-11-28 03:15:24,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 144 transitions. [2020-11-28 03:15:24,241 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 144 transitions. Word has length 12 [2020-11-28 03:15:24,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:15:24,242 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 144 transitions. [2020-11-28 03:15:24,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:15:24,242 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 144 transitions. [2020-11-28 03:15:24,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 03:15:24,243 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:15:24,243 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:15:24,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:15:24,244 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:15:24,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:24,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1721558133, now seen corresponding path program 1 times [2020-11-28 03:15:24,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:24,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528243668] [2020-11-28 03:15:24,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:24,298 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 03:15:24,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528243668] [2020-11-28 03:15:24,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:15:24,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:15:24,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586801566] [2020-11-28 03:15:24,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:15:24,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:15:24,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:15:24,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:15:24,301 INFO L87 Difference]: Start difference. First operand 68 states and 144 transitions. Second operand 4 states. [2020-11-28 03:15:24,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:15:24,324 INFO L93 Difference]: Finished difference Result 56 states and 112 transitions. [2020-11-28 03:15:24,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:15:24,324 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-28 03:15:24,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:15:24,325 INFO L225 Difference]: With dead ends: 56 [2020-11-28 03:15:24,325 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:15:24,325 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 03:15:24,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:15:24,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:15:24,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:15:24,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:15:24,326 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-11-28 03:15:24,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:15:24,326 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:15:24,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:15:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:15:24,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:15:24,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:15:24,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:15:24 BasicIcfg [2020-11-28 03:15:24,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:15:24,331 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:15:24,331 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:15:24,331 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:15:24,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:19" (3/4) ... [2020-11-28 03:15:24,335 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:15:24,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-11-28 03:15:24,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-11-28 03:15:24,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-11-28 03:15:24,349 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-11-28 03:15:24,349 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:15:24,349 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:15:24,350 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:15:24,394 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4a8e642b-40fb-478e-894a-8cf6befe4f6d/bin/uautomizer/witness.graphml [2020-11-28 03:15:24,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:15:24,398 INFO L168 Benchmark]: Toolchain (without parser) took 7146.62 ms. Allocated memory was 100.7 MB in the beginning and 155.2 MB in the end (delta: 54.5 MB). Free memory was 76.1 MB in the beginning and 114.3 MB in the end (delta: -38.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:24,400 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 100.7 MB. Free memory is still 63.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:15:24,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 840.66 ms. Allocated memory is still 100.7 MB. Free memory was 76.1 MB in the beginning and 57.1 MB in the end (delta: 19.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:24,401 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.63 ms. Allocated memory is still 100.7 MB. Free memory was 57.1 MB in the beginning and 55.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:24,408 INFO L168 Benchmark]: Boogie Preprocessor took 34.88 ms. Allocated memory is still 100.7 MB. Free memory was 55.0 MB in the beginning and 53.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:24,409 INFO L168 Benchmark]: RCFGBuilder took 795.05 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 53.6 MB in the beginning and 90.3 MB in the end (delta: -36.6 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:24,409 INFO L168 Benchmark]: TraceAbstraction took 5305.71 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 90.3 MB in the beginning and 117.5 MB in the end (delta: -27.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:15:24,410 INFO L168 Benchmark]: Witness Printer took 64.76 ms. Allocated memory is still 155.2 MB. Free memory was 117.5 MB in the beginning and 114.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:24,414 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 100.7 MB. Free memory is still 63.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 840.66 ms. Allocated memory is still 100.7 MB. Free memory was 76.1 MB in the beginning and 57.1 MB in the end (delta: 19.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.63 ms. Allocated memory is still 100.7 MB. Free memory was 57.1 MB in the beginning and 55.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.88 ms. Allocated memory is still 100.7 MB. Free memory was 55.0 MB in the beginning and 53.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 795.05 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 53.6 MB in the beginning and 90.3 MB in the end (delta: -36.6 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5305.71 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 90.3 MB in the beginning and 117.5 MB in the end (delta: -27.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 64.76 ms. Allocated memory is still 155.2 MB. Free memory was 117.5 MB in the beginning and 114.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1074 VarBasedMoverChecksPositive, 45 VarBasedMoverChecksNegative, 10 SemBasedMoverChecksPositive, 35 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 95 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.8s, 87 PlacesBefore, 31 PlacesAfterwards, 80 TransitionsBefore, 22 TransitionsAfterwards, 1440 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 73 TotalNumberOfCompositions, 2810 MoverChecksTotal - PositiveResult [Line: 17]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 81 SDtfs, 75 SDslu, 56 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 1434 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...