./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe023_tso.oepc.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_042929c6-b19a-4715-aa1d-946640104a89/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_042929c6-b19a-4715-aa1d-946640104a89/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_042929c6-b19a-4715-aa1d-946640104a89/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_042929c6-b19a-4715-aa1d-946640104a89/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe023_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_042929c6-b19a-4715-aa1d-946640104a89/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_042929c6-b19a-4715-aa1d-946640104a89/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 35302c44aa592878ed3aa1d29e61c739b3558b68 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 07:48:04,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:48:04,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:48:04,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:48:04,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:48:04,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:48:04,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:48:04,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:48:04,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:48:04,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:48:04,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:48:04,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:48:04,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:48:04,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:48:04,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:48:04,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:48:04,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:48:04,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:48:04,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:48:04,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:48:04,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:48:04,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:48:04,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:48:04,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:48:04,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:48:04,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:48:04,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:48:04,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:48:04,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:48:04,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:48:04,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:48:04,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:48:04,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:48:04,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:48:04,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:48:04,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:48:04,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:48:04,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:48:04,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:48:04,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:48:04,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:48:04,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_042929c6-b19a-4715-aa1d-946640104a89/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 07:48:04,660 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:48:04,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:48:04,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:48:04,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:48:04,661 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 07:48:04,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:48:04,662 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:48:04,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:48:04,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:48:04,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:48:04,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:48:04,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:48:04,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:48:04,663 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:48:04,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:48:04,664 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:48:04,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:48:04,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:48:04,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 07:48:04,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:48:04,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 07:48:04,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 07:48:04,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:48:04,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:48:04,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:48:04,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 07:48:04,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 07:48:04,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:48:04,666 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_042929c6-b19a-4715-aa1d-946640104a89/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 -> 35302c44aa592878ed3aa1d29e61c739b3558b68 [2019-11-20 07:48:04,803 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:48:04,813 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:48:04,816 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:48:04,817 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:48:04,818 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:48:04,818 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_042929c6-b19a-4715-aa1d-946640104a89/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe023_tso.oepc.i [2019-11-20 07:48:04,876 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_042929c6-b19a-4715-aa1d-946640104a89/bin/uautomizer/data/f0f194f3b/013cc48b4549457eb1ac3fe63dfa1dfb/FLAGcfd397efd [2019-11-20 07:48:05,392 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:48:05,393 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_042929c6-b19a-4715-aa1d-946640104a89/sv-benchmarks/c/pthread-wmm/safe023_tso.oepc.i [2019-11-20 07:48:05,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_042929c6-b19a-4715-aa1d-946640104a89/bin/uautomizer/data/f0f194f3b/013cc48b4549457eb1ac3fe63dfa1dfb/FLAGcfd397efd [2019-11-20 07:48:05,701 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_042929c6-b19a-4715-aa1d-946640104a89/bin/uautomizer/data/f0f194f3b/013cc48b4549457eb1ac3fe63dfa1dfb [2019-11-20 07:48:05,704 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:48:05,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:48:05,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:48:05,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:48:05,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:48:05,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:48:05" (1/1) ... [2019-11-20 07:48:05,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542f2740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:05, skipping insertion in model container [2019-11-20 07:48:05,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:48:05" (1/1) ... [2019-11-20 07:48:05,727 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:48:05,770 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:48:06,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:48:06,186 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:48:06,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:48:06,335 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:48:06,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:06 WrapperNode [2019-11-20 07:48:06,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:48:06,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:48:06,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:48:06,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:48:06,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:06" (1/1) ... [2019-11-20 07:48:06,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:06" (1/1) ... [2019-11-20 07:48:06,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:48:06,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:48:06,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:48:06,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:48:06,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:06" (1/1) ... [2019-11-20 07:48:06,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:06" (1/1) ... [2019-11-20 07:48:06,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:06" (1/1) ... [2019-11-20 07:48:06,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:06" (1/1) ... [2019-11-20 07:48:06,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:06" (1/1) ... [2019-11-20 07:48:06,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:06" (1/1) ... [2019-11-20 07:48:06,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:06" (1/1) ... [2019-11-20 07:48:06,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:48:06,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:48:06,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:48:06,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:48:06,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_042929c6-b19a-4715-aa1d-946640104a89/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 07:48:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 07:48:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-20 07:48:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 07:48:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 07:48:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-20 07:48:06,488 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-20 07:48:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-20 07:48:06,488 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-20 07:48:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-20 07:48:06,489 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-20 07:48:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-20 07:48:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:48:06,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:48:06,495 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 07:48:06,888 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:48:06,888 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 07:48:06,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:06 BoogieIcfgContainer [2019-11-20 07:48:06,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:48:06,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 07:48:06,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 07:48:06,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 07:48:06,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:48:05" (1/3) ... [2019-11-20 07:48:06,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25cc51ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:48:06, skipping insertion in model container [2019-11-20 07:48:06,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:06" (2/3) ... [2019-11-20 07:48:06,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25cc51ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:48:06, skipping insertion in model container [2019-11-20 07:48:06,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:06" (3/3) ... [2019-11-20 07:48:06,896 INFO L109 eAbstractionObserver]: Analyzing ICFG safe023_tso.oepc.i [2019-11-20 07:48:06,936 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,936 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,936 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,937 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,937 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,937 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,937 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,938 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,938 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,938 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,938 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,938 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,939 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,939 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,939 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,939 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,939 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,940 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,940 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,940 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,940 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,940 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,941 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,941 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,941 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,941 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,941 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,942 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,942 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,942 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,942 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,942 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,943 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,943 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,943 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,943 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,943 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,944 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,944 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,944 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,944 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,944 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,945 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,945 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,945 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,945 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,945 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,945 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,946 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,946 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,946 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,946 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,947 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,947 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:48:06,971 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-20 07:48:06,972 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 07:48:06,978 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 07:48:06,990 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 07:48:07,007 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 07:48:07,007 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 07:48:07,007 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 07:48:07,007 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 07:48:07,007 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 07:48:07,007 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 07:48:07,008 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 07:48:07,008 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 07:48:07,019 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 75 transitions [2019-11-20 07:48:10,633 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 31744 states. [2019-11-20 07:48:10,635 INFO L276 IsEmpty]: Start isEmpty. Operand 31744 states. [2019-11-20 07:48:10,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 07:48:10,690 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:48:10,691 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 07:48:10,691 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:48:10,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:48:10,697 INFO L82 PathProgramCache]: Analyzing trace with hash -506550753, now seen corresponding path program 1 times [2019-11-20 07:48:10,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:48:10,706 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719132534] [2019-11-20 07:48:10,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:48:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:48:11,050 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 07:48:11,050 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719132534] [2019-11-20 07:48:11,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:48:11,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 07:48:11,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969911803] [2019-11-20 07:48:11,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 07:48:11,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:48:11,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 07:48:11,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 07:48:11,072 INFO L87 Difference]: Start difference. First operand 31744 states. Second operand 4 states. [2019-11-20 07:48:11,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:48:11,534 INFO L93 Difference]: Finished difference Result 33013 states and 103293 transitions. [2019-11-20 07:48:11,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 07:48:11,536 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-20 07:48:11,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:48:11,694 INFO L225 Difference]: With dead ends: 33013 [2019-11-20 07:48:11,694 INFO L226 Difference]: Without dead ends: 14275 [2019-11-20 07:48:11,696 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 07:48:12,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14275 states. [2019-11-20 07:48:12,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14275 to 14275. [2019-11-20 07:48:12,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14275 states. [2019-11-20 07:48:12,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14275 states to 14275 states and 44298 transitions. [2019-11-20 07:48:12,657 INFO L78 Accepts]: Start accepts. Automaton has 14275 states and 44298 transitions. Word has length 31 [2019-11-20 07:48:12,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:48:12,658 INFO L462 AbstractCegarLoop]: Abstraction has 14275 states and 44298 transitions. [2019-11-20 07:48:12,658 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 07:48:12,658 INFO L276 IsEmpty]: Start isEmpty. Operand 14275 states and 44298 transitions. [2019-11-20 07:48:12,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 07:48:12,683 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:48:12,683 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 07:48:12,684 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:48:12,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:48:12,691 INFO L82 PathProgramCache]: Analyzing trace with hash -262824389, now seen corresponding path program 1 times [2019-11-20 07:48:12,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:48:12,692 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556178851] [2019-11-20 07:48:12,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:48:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:48:12,893 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 07:48:12,894 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556178851] [2019-11-20 07:48:12,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:48:12,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 07:48:12,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81885663] [2019-11-20 07:48:12,896 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 07:48:12,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:48:12,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 07:48:12,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 07:48:12,897 INFO L87 Difference]: Start difference. First operand 14275 states and 44298 transitions. Second operand 5 states. [2019-11-20 07:48:13,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:48:13,129 INFO L93 Difference]: Finished difference Result 14275 states and 42111 transitions. [2019-11-20 07:48:13,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 07:48:13,129 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-20 07:48:13,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:48:13,201 INFO L225 Difference]: With dead ends: 14275 [2019-11-20 07:48:13,201 INFO L226 Difference]: Without dead ends: 12574 [2019-11-20 07:48:13,202 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 07:48:13,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12574 states. [2019-11-20 07:48:13,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12574 to 12574. [2019-11-20 07:48:13,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12574 states. [2019-11-20 07:48:13,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12574 states to 12574 states and 38061 transitions. [2019-11-20 07:48:13,621 INFO L78 Accepts]: Start accepts. Automaton has 12574 states and 38061 transitions. Word has length 32 [2019-11-20 07:48:13,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:48:13,621 INFO L462 AbstractCegarLoop]: Abstraction has 12574 states and 38061 transitions. [2019-11-20 07:48:13,621 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 07:48:13,621 INFO L276 IsEmpty]: Start isEmpty. Operand 12574 states and 38061 transitions. [2019-11-20 07:48:13,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 07:48:13,646 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:48:13,646 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 07:48:13,647 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:48:13,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:48:13,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1428982258, now seen corresponding path program 1 times [2019-11-20 07:48:13,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:48:13,648 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849457461] [2019-11-20 07:48:13,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:48:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:48:13,765 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 07:48:13,765 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849457461] [2019-11-20 07:48:13,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:48:13,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 07:48:13,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251694523] [2019-11-20 07:48:13,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 07:48:13,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:48:13,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 07:48:13,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-20 07:48:13,767 INFO L87 Difference]: Start difference. First operand 12574 states and 38061 transitions. Second operand 6 states. [2019-11-20 07:48:13,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:48:13,944 INFO L93 Difference]: Finished difference Result 8929 states and 24939 transitions. [2019-11-20 07:48:13,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 07:48:13,945 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-20 07:48:13,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:48:13,967 INFO L225 Difference]: With dead ends: 8929 [2019-11-20 07:48:13,967 INFO L226 Difference]: Without dead ends: 7471 [2019-11-20 07:48:13,968 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 07:48:14,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7471 states. [2019-11-20 07:48:14,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7471 to 7471. [2019-11-20 07:48:14,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7471 states. [2019-11-20 07:48:14,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7471 states to 7471 states and 21051 transitions. [2019-11-20 07:48:14,354 INFO L78 Accepts]: Start accepts. Automaton has 7471 states and 21051 transitions. Word has length 33 [2019-11-20 07:48:14,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:48:14,355 INFO L462 AbstractCegarLoop]: Abstraction has 7471 states and 21051 transitions. [2019-11-20 07:48:14,355 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 07:48:14,355 INFO L276 IsEmpty]: Start isEmpty. Operand 7471 states and 21051 transitions. [2019-11-20 07:48:14,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 07:48:14,367 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:48:14,367 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, 1] [2019-11-20 07:48:14,367 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:48:14,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:48:14,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1164449200, now seen corresponding path program 1 times [2019-11-20 07:48:14,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:48:14,368 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118621924] [2019-11-20 07:48:14,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:48:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:48:14,508 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 07:48:14,508 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118621924] [2019-11-20 07:48:14,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:48:14,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-20 07:48:14,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994534613] [2019-11-20 07:48:14,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 07:48:14,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:48:14,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 07:48:14,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-20 07:48:14,510 INFO L87 Difference]: Start difference. First operand 7471 states and 21051 transitions. Second operand 8 states. [2019-11-20 07:48:14,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:48:14,925 INFO L93 Difference]: Finished difference Result 21403 states and 60282 transitions. [2019-11-20 07:48:14,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-20 07:48:14,926 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-20 07:48:14,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:48:14,943 INFO L225 Difference]: With dead ends: 21403 [2019-11-20 07:48:14,944 INFO L226 Difference]: Without dead ends: 6472 [2019-11-20 07:48:14,948 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2019-11-20 07:48:14,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6472 states. [2019-11-20 07:48:15,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6472 to 6472. [2019-11-20 07:48:15,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6472 states. [2019-11-20 07:48:15,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6472 states to 6472 states and 18108 transitions. [2019-11-20 07:48:15,104 INFO L78 Accepts]: Start accepts. Automaton has 6472 states and 18108 transitions. Word has length 34 [2019-11-20 07:48:15,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:48:15,105 INFO L462 AbstractCegarLoop]: Abstraction has 6472 states and 18108 transitions. [2019-11-20 07:48:15,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 07:48:15,105 INFO L276 IsEmpty]: Start isEmpty. Operand 6472 states and 18108 transitions. [2019-11-20 07:48:15,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 07:48:15,113 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:48:15,114 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, 1] [2019-11-20 07:48:15,114 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:48:15,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:48:15,114 INFO L82 PathProgramCache]: Analyzing trace with hash -177383842, now seen corresponding path program 2 times [2019-11-20 07:48:15,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:48:15,115 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50172186] [2019-11-20 07:48:15,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:48:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:48:15,309 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 07:48:15,309 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50172186] [2019-11-20 07:48:15,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:48:15,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-20 07:48:15,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032142016] [2019-11-20 07:48:15,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 07:48:15,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:48:15,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 07:48:15,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-20 07:48:15,310 INFO L87 Difference]: Start difference. First operand 6472 states and 18108 transitions. Second operand 8 states. [2019-11-20 07:48:15,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:48:15,439 INFO L93 Difference]: Finished difference Result 5014 states and 13734 transitions. [2019-11-20 07:48:15,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 07:48:15,440 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-20 07:48:15,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:48:15,440 INFO L225 Difference]: With dead ends: 5014 [2019-11-20 07:48:15,440 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 07:48:15,441 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-11-20 07:48:15,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 07:48:15,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 07:48:15,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 07:48:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 07:48:15,442 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-11-20 07:48:15,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:48:15,442 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:48:15,442 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 07:48:15,442 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 07:48:15,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 07:48:15,445 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-20 07:48:15,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:48:15 BasicIcfg [2019-11-20 07:48:15,447 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 07:48:15,448 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:48:15,448 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:48:15,448 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:48:15,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:06" (3/4) ... [2019-11-20 07:48:15,452 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 07:48:15,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-20 07:48:15,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-20 07:48:15,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-20 07:48:15,465 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 07:48:15,465 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 07:48:15,466 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 07:48:15,508 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_042929c6-b19a-4715-aa1d-946640104a89/bin/uautomizer/witness.graphml [2019-11-20 07:48:15,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:48:15,510 INFO L168 Benchmark]: Toolchain (without parser) took 9801.04 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 678.4 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -266.4 MB). Peak memory consumption was 412.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:48:15,511 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:48:15,511 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2019-11-20 07:48:15,511 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:48:15,512 INFO L168 Benchmark]: Boogie Preprocessor took 33.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-20 07:48:15,512 INFO L168 Benchmark]: RCFGBuilder took 469.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:48:15,513 INFO L168 Benchmark]: TraceAbstraction took 8556.72 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 534.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -134.8 MB). Peak memory consumption was 399.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:48:15,513 INFO L168 Benchmark]: Witness Printer took 60.85 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:48:15,516 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 626.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 469.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8556.72 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 534.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -134.8 MB). Peak memory consumption was 399.4 MB. Max. memory is 11.5 GB. * Witness Printer took 60.85 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 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, 90 locations, 1 error locations. Result: SAFE, OverallTime: 8.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 486 SDtfs, 875 SDslu, 1342 SDs, 0 SdLazy, 200 SolverSat, 125 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31744occurred 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: 1.9s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 15831 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...