./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe009_pso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bbeb5cca-db48-4f97-b1b3-65752e9894dc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bbeb5cca-db48-4f97-b1b3-65752e9894dc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bbeb5cca-db48-4f97-b1b3-65752e9894dc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bbeb5cca-db48-4f97-b1b3-65752e9894dc/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe009_pso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bbeb5cca-db48-4f97-b1b3-65752e9894dc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bbeb5cca-db48-4f97-b1b3-65752e9894dc/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bbafd997b60dc8d7d343eddeac88d3f72e0226cc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:28:09,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:28:09,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:28:09,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:28:09,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:28:09,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:28:09,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:28:09,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:28:09,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:28:09,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:28:09,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:28:09,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:28:09,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:28:09,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:28:09,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:28:09,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:28:09,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:28:09,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:28:09,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:28:09,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:28:09,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:28:09,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:28:09,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:28:09,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:28:09,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:28:09,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:28:09,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:28:09,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:28:09,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:28:09,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:28:09,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:28:09,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:28:09,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:28:09,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:28:09,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:28:09,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:28:09,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:28:09,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:28:09,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:28:09,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:28:09,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:28:09,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bbeb5cca-db48-4f97-b1b3-65752e9894dc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 03:28:09,690 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:28:09,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:28:09,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:28:09,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:28:09,701 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:28:09,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:28:09,702 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:28:09,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:28:09,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:28:09,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:28:09,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:28:09,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:28:09,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:28:09,703 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:28:09,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:28:09,704 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:28:09,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:28:09,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:28:09,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:28:09,706 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:28:09,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 03:28:09,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 03:28:09,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:28:09,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:28:09,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:28:09,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:28:09,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:28:09,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:28:09,708 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bbeb5cca-db48-4f97-b1b3-65752e9894dc/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(__VERIFIER_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 -> bbafd997b60dc8d7d343eddeac88d3f72e0226cc [2019-11-20 03:28:09,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:28:09,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:28:09,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:28:09,903 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:28:09,904 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:28:09,905 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bbeb5cca-db48-4f97-b1b3-65752e9894dc/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe009_pso.opt.i [2019-11-20 03:28:09,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bbeb5cca-db48-4f97-b1b3-65752e9894dc/bin/uautomizer/data/549c90475/965494b4b19141a39f5cff00ff017874/FLAGe7399ea61 [2019-11-20 03:28:10,486 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:28:10,490 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bbeb5cca-db48-4f97-b1b3-65752e9894dc/sv-benchmarks/c/pthread-wmm/safe009_pso.opt.i [2019-11-20 03:28:10,504 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bbeb5cca-db48-4f97-b1b3-65752e9894dc/bin/uautomizer/data/549c90475/965494b4b19141a39f5cff00ff017874/FLAGe7399ea61 [2019-11-20 03:28:10,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bbeb5cca-db48-4f97-b1b3-65752e9894dc/bin/uautomizer/data/549c90475/965494b4b19141a39f5cff00ff017874 [2019-11-20 03:28:10,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:28:10,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:28:10,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:28:10,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:28:10,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:28:10,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:28:10" (1/1) ... [2019-11-20 03:28:10,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cbca7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:10, skipping insertion in model container [2019-11-20 03:28:10,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:28:10" (1/1) ... [2019-11-20 03:28:10,841 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:28:10,890 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:28:11,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:28:11,376 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:28:11,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:28:11,503 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:28:11,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:11 WrapperNode [2019-11-20 03:28:11,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:28:11,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:28:11,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:28:11,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:28:11,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:11" (1/1) ... [2019-11-20 03:28:11,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:11" (1/1) ... [2019-11-20 03:28:11,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:28:11,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:28:11,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:28:11,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:28:11,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:11" (1/1) ... [2019-11-20 03:28:11,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:11" (1/1) ... [2019-11-20 03:28:11,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:11" (1/1) ... [2019-11-20 03:28:11,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:11" (1/1) ... [2019-11-20 03:28:11,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:11" (1/1) ... [2019-11-20 03:28:11,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:11" (1/1) ... [2019-11-20 03:28:11,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:11" (1/1) ... [2019-11-20 03:28:11,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:28:11,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:28:11,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:28:11,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:28:11,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bbeb5cca-db48-4f97-b1b3-65752e9894dc/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 [2019-11-20 03:28:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 03:28:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-20 03:28:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:28:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 03:28:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-20 03:28:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-20 03:28:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-20 03:28:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-20 03:28:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-20 03:28:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-20 03:28:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-20 03:28:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:28:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:28:11,638 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-20 03:28:12,035 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:28:12,035 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 03:28:12,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:28:12 BoogieIcfgContainer [2019-11-20 03:28:12,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:28:12,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 03:28:12,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 03:28:12,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 03:28:12,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:28:10" (1/3) ... [2019-11-20 03:28:12,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f19ad8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:28:12, skipping insertion in model container [2019-11-20 03:28:12,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:11" (2/3) ... [2019-11-20 03:28:12,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f19ad8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:28:12, skipping insertion in model container [2019-11-20 03:28:12,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:28:12" (3/3) ... [2019-11-20 03:28:12,044 INFO L109 eAbstractionObserver]: Analyzing ICFG safe009_pso.opt.i [2019-11-20 03:28:12,087 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,088 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,088 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,088 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,088 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,089 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,089 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,089 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,090 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,090 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,090 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,090 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,091 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,091 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,091 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,091 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,092 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,092 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,092 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,093 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,093 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,093 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,093 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,094 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,094 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,094 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,094 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,095 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,095 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,095 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,095 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,096 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,096 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,096 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,096 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,097 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,097 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,097 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,097 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,098 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,098 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,098 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,099 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,099 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,099 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,099 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,100 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,100 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,100 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,100 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,100 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,101 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,101 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,101 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:28:12,125 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-20 03:28:12,125 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 03:28:12,137 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 03:28:12,148 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 03:28:12,166 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 03:28:12,166 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 03:28:12,166 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 03:28:12,167 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:28:12,167 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:28:12,167 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 03:28:12,167 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:28:12,167 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 03:28:12,181 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 74 transitions [2019-11-20 03:28:15,822 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 31743 states. [2019-11-20 03:28:15,824 INFO L276 IsEmpty]: Start isEmpty. Operand 31743 states. [2019-11-20 03:28:15,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 03:28:15,878 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:28:15,878 INFO L410 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] [2019-11-20 03:28:15,879 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:28:15,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:28:15,885 INFO L82 PathProgramCache]: Analyzing trace with hash -588598505, now seen corresponding path program 1 times [2019-11-20 03:28:15,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:28:15,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084241215] [2019-11-20 03:28:15,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:28:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:28:16,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:28:16,191 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084241215] [2019-11-20 03:28:16,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:28:16,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 03:28:16,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183960308] [2019-11-20 03:28:16,197 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 03:28:16,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:28:16,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 03:28:16,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 03:28:16,211 INFO L87 Difference]: Start difference. First operand 31743 states. Second operand 4 states. [2019-11-20 03:28:16,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:28:16,733 INFO L93 Difference]: Finished difference Result 33012 states and 103292 transitions. [2019-11-20 03:28:16,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 03:28:16,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-11-20 03:28:16,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:28:16,884 INFO L225 Difference]: With dead ends: 33012 [2019-11-20 03:28:16,884 INFO L226 Difference]: Without dead ends: 14274 [2019-11-20 03:28:16,886 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 03:28:17,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14274 states. [2019-11-20 03:28:17,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14274 to 14274. [2019-11-20 03:28:17,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14274 states. [2019-11-20 03:28:17,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14274 states to 14274 states and 44297 transitions. [2019-11-20 03:28:17,590 INFO L78 Accepts]: Start accepts. Automaton has 14274 states and 44297 transitions. Word has length 30 [2019-11-20 03:28:17,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:28:17,592 INFO L462 AbstractCegarLoop]: Abstraction has 14274 states and 44297 transitions. [2019-11-20 03:28:17,592 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 03:28:17,592 INFO L276 IsEmpty]: Start isEmpty. Operand 14274 states and 44297 transitions. [2019-11-20 03:28:17,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 03:28:17,621 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:28:17,621 INFO L410 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] [2019-11-20 03:28:17,622 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:28:17,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:28:17,629 INFO L82 PathProgramCache]: Analyzing trace with hash -411053115, now seen corresponding path program 1 times [2019-11-20 03:28:17,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:28:17,630 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94684137] [2019-11-20 03:28:17,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:28:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:28:17,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:28:17,736 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94684137] [2019-11-20 03:28:17,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:28:17,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 03:28:17,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048199357] [2019-11-20 03:28:17,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 03:28:17,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:28:17,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 03:28:17,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 03:28:17,739 INFO L87 Difference]: Start difference. First operand 14274 states and 44297 transitions. Second operand 5 states. [2019-11-20 03:28:18,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:28:18,042 INFO L93 Difference]: Finished difference Result 14274 states and 42110 transitions. [2019-11-20 03:28:18,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 03:28:18,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-20 03:28:18,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:28:18,109 INFO L225 Difference]: With dead ends: 14274 [2019-11-20 03:28:18,109 INFO L226 Difference]: Without dead ends: 12573 [2019-11-20 03:28:18,110 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-20 03:28:18,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12573 states. [2019-11-20 03:28:18,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12573 to 12573. [2019-11-20 03:28:18,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12573 states. [2019-11-20 03:28:18,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12573 states to 12573 states and 38060 transitions. [2019-11-20 03:28:18,615 INFO L78 Accepts]: Start accepts. Automaton has 12573 states and 38060 transitions. Word has length 31 [2019-11-20 03:28:18,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:28:18,615 INFO L462 AbstractCegarLoop]: Abstraction has 12573 states and 38060 transitions. [2019-11-20 03:28:18,616 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 03:28:18,616 INFO L276 IsEmpty]: Start isEmpty. Operand 12573 states and 38060 transitions. [2019-11-20 03:28:18,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 03:28:18,644 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:28:18,644 INFO L410 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] [2019-11-20 03:28:18,645 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:28:18,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:28:18,645 INFO L82 PathProgramCache]: Analyzing trace with hash -290685365, now seen corresponding path program 1 times [2019-11-20 03:28:18,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:28:18,646 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107226274] [2019-11-20 03:28:18,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:28:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:28:18,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:28:18,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107226274] [2019-11-20 03:28:18,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:28:18,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 03:28:18,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665915451] [2019-11-20 03:28:18,760 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 03:28:18,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:28:18,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 03:28:18,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-20 03:28:18,761 INFO L87 Difference]: Start difference. First operand 12573 states and 38060 transitions. Second operand 6 states. [2019-11-20 03:28:19,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:28:19,145 INFO L93 Difference]: Finished difference Result 8928 states and 24938 transitions. [2019-11-20 03:28:19,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 03:28:19,146 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-20 03:28:19,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:28:19,169 INFO L225 Difference]: With dead ends: 8928 [2019-11-20 03:28:19,169 INFO L226 Difference]: Without dead ends: 7470 [2019-11-20 03:28:19,170 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-20 03:28:19,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7470 states. [2019-11-20 03:28:19,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7470 to 7470. [2019-11-20 03:28:19,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7470 states. [2019-11-20 03:28:19,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7470 states to 7470 states and 21050 transitions. [2019-11-20 03:28:19,376 INFO L78 Accepts]: Start accepts. Automaton has 7470 states and 21050 transitions. Word has length 32 [2019-11-20 03:28:19,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:28:19,376 INFO L462 AbstractCegarLoop]: Abstraction has 7470 states and 21050 transitions. [2019-11-20 03:28:19,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 03:28:19,376 INFO L276 IsEmpty]: Start isEmpty. Operand 7470 states and 21050 transitions. [2019-11-20 03:28:19,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 03:28:19,387 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:28:19,388 INFO L410 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] [2019-11-20 03:28:19,388 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:28:19,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:28:19,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1226603660, now seen corresponding path program 1 times [2019-11-20 03:28:19,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:28:19,389 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116012406] [2019-11-20 03:28:19,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:28:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:28:19,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:28:19,633 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116012406] [2019-11-20 03:28:19,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:28:19,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-20 03:28:19,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170723632] [2019-11-20 03:28:19,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 03:28:19,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:28:19,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 03:28:19,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-20 03:28:19,634 INFO L87 Difference]: Start difference. First operand 7470 states and 21050 transitions. Second operand 8 states. [2019-11-20 03:28:19,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:28:19,935 INFO L93 Difference]: Finished difference Result 16785 states and 47321 transitions. [2019-11-20 03:28:19,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-20 03:28:19,936 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-11-20 03:28:19,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:28:19,954 INFO L225 Difference]: With dead ends: 16785 [2019-11-20 03:28:19,954 INFO L226 Difference]: Without dead ends: 6714 [2019-11-20 03:28:19,955 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2019-11-20 03:28:20,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6714 states. [2019-11-20 03:28:20,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6714 to 6714. [2019-11-20 03:28:20,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6714 states. [2019-11-20 03:28:20,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6714 states to 6714 states and 18971 transitions. [2019-11-20 03:28:20,113 INFO L78 Accepts]: Start accepts. Automaton has 6714 states and 18971 transitions. Word has length 33 [2019-11-20 03:28:20,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:28:20,114 INFO L462 AbstractCegarLoop]: Abstraction has 6714 states and 18971 transitions. [2019-11-20 03:28:20,114 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 03:28:20,114 INFO L276 IsEmpty]: Start isEmpty. Operand 6714 states and 18971 transitions. [2019-11-20 03:28:20,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 03:28:20,124 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:28:20,124 INFO L410 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] [2019-11-20 03:28:20,125 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:28:20,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:28:20,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1907560994, now seen corresponding path program 2 times [2019-11-20 03:28:20,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:28:20,125 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329284890] [2019-11-20 03:28:20,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:28:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:28:20,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:28:20,291 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329284890] [2019-11-20 03:28:20,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:28:20,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-20 03:28:20,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061606049] [2019-11-20 03:28:20,292 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 03:28:20,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:28:20,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 03:28:20,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-20 03:28:20,292 INFO L87 Difference]: Start difference. First operand 6714 states and 18971 transitions. Second operand 8 states. [2019-11-20 03:28:20,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:28:20,432 INFO L93 Difference]: Finished difference Result 5256 states and 14597 transitions. [2019-11-20 03:28:20,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 03:28:20,432 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-11-20 03:28:20,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:28:20,438 INFO L225 Difference]: With dead ends: 5256 [2019-11-20 03:28:20,439 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 03:28:20,440 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2019-11-20 03:28:20,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 03:28:20,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 03:28:20,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 03:28:20,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 03:28:20,441 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-20 03:28:20,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:28:20,441 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:28:20,441 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 03:28:20,442 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 03:28:20,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 03:28:20,445 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-20 03:28:20,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 03:28:20 BasicIcfg [2019-11-20 03:28:20,447 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 03:28:20,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:28:20,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:28:20,448 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:28:20,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:28:12" (3/4) ... [2019-11-20 03:28:20,452 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 03:28:20,469 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-20 03:28:20,469 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-20 03:28:20,469 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-20 03:28:20,483 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 03:28:20,484 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 03:28:20,484 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 03:28:20,523 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bbeb5cca-db48-4f97-b1b3-65752e9894dc/bin/uautomizer/witness.graphml [2019-11-20 03:28:20,523 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:28:20,525 INFO L168 Benchmark]: Toolchain (without parser) took 9697.50 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 470.3 MB). Free memory was 947.5 MB in the beginning and 1.0 GB in the end (delta: -78.3 MB). Peak memory consumption was 391.9 MB. Max. memory is 11.5 GB. [2019-11-20 03:28:20,525 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:28:20,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 947.5 MB in the beginning and 1.2 GB in the end (delta: -204.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-20 03:28:20,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:28:20,527 INFO L168 Benchmark]: Boogie Preprocessor took 24.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:28:20,527 INFO L168 Benchmark]: RCFGBuilder took 466.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-11-20 03:28:20,528 INFO L168 Benchmark]: TraceAbstraction took 8409.27 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 289.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.2 MB). Peak memory consumption was 385.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:28:20,529 INFO L168 Benchmark]: Witness Printer took 75.70 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-11-20 03:28:20,532 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 676.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 947.5 MB in the beginning and 1.2 GB in the end (delta: -204.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 466.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8409.27 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 289.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.2 MB). Peak memory consumption was 385.2 MB. Max. memory is 11.5 GB. * Witness Printer took 75.70 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 89 locations, 1 error locations. Result: SAFE, OverallTime: 8.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 407 SDtfs, 815 SDslu, 1099 SDs, 0 SdLazy, 169 SolverSat, 111 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31743occurred 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: 1.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 154 ConstructedInterpolants, 0 QuantifiedInterpolants, 15130 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...