./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe025_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f5d9f2df-7f02-4398-b7ca-125f543442d6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f5d9f2df-7f02-4398-b7ca-125f543442d6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f5d9f2df-7f02-4398-b7ca-125f543442d6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f5d9f2df-7f02-4398-b7ca-125f543442d6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe025_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f5d9f2df-7f02-4398-b7ca-125f543442d6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f5d9f2df-7f02-4398-b7ca-125f543442d6/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 03a6a65b3d5e8f78378bbfe5cceeaaa543d2a603 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:15:29,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:15:29,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:15:29,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:15:29,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:15:29,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:15:29,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:15:29,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:15:29,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:15:29,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:15:29,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:15:29,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:15:29,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:15:29,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:15:29,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:15:29,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:15:29,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:15:29,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:15:29,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:15:29,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:15:29,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:15:29,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:15:29,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:15:29,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:15:29,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:15:29,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:15:29,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:15:29,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:15:29,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:15:29,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:15:29,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:15:29,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:15:29,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:15:29,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:15:29,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:15:29,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:15:29,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:15:29,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:15:29,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:15:29,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:15:29,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:15:29,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f5d9f2df-7f02-4398-b7ca-125f543442d6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:15:29,659 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:15:29,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:15:29,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:15:29,670 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:15:29,671 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:15:29,671 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:15:29,671 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:15:29,671 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:15:29,672 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:15:29,672 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:15:29,672 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:15:29,672 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:15:29,673 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:15:29,673 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:15:29,673 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:15:29,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:15:29,674 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:15:29,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:15:29,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:15:29,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:15:29,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:15:29,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:15:29,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:15:29,676 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:15:29,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:15:29,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:15:29,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:15:29,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:15:29,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:15:29,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:15:29,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:15:29,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:15:29,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:15:29,680 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:15:29,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:15:29,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:15:29,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:15:29,681 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f5d9f2df-7f02-4398-b7ca-125f543442d6/bin/utaipan 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 -> Taipan 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 -> 03a6a65b3d5e8f78378bbfe5cceeaaa543d2a603 [2019-11-26 02:15:29,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:15:29,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:15:29,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:15:29,844 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:15:29,844 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:15:29,845 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f5d9f2df-7f02-4398-b7ca-125f543442d6/bin/utaipan/../../sv-benchmarks/c/pthread-wmm/safe025_tso.oepc.i [2019-11-26 02:15:29,898 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5d9f2df-7f02-4398-b7ca-125f543442d6/bin/utaipan/data/61304e753/8a3832d5e48a4605bc7aa2f246da06ad/FLAGc19957182 [2019-11-26 02:15:30,330 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:15:30,330 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f5d9f2df-7f02-4398-b7ca-125f543442d6/sv-benchmarks/c/pthread-wmm/safe025_tso.oepc.i [2019-11-26 02:15:30,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5d9f2df-7f02-4398-b7ca-125f543442d6/bin/utaipan/data/61304e753/8a3832d5e48a4605bc7aa2f246da06ad/FLAGc19957182 [2019-11-26 02:15:30,351 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f5d9f2df-7f02-4398-b7ca-125f543442d6/bin/utaipan/data/61304e753/8a3832d5e48a4605bc7aa2f246da06ad [2019-11-26 02:15:30,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:15:30,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:15:30,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:15:30,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:15:30,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:15:30,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:15:30" (1/1) ... [2019-11-26 02:15:30,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e3fa82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:30, skipping insertion in model container [2019-11-26 02:15:30,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:15:30" (1/1) ... [2019-11-26 02:15:30,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:15:30,414 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:15:30,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:15:30,794 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:15:30,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:15:30,932 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:15:30,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:30 WrapperNode [2019-11-26 02:15:30,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:15:30,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:15:30,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:15:30,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:15:30,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:30" (1/1) ... [2019-11-26 02:15:30,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:30" (1/1) ... [2019-11-26 02:15:30,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:15:30,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:15:30,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:15:30,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:15:31,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:30" (1/1) ... [2019-11-26 02:15:31,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:30" (1/1) ... [2019-11-26 02:15:31,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:30" (1/1) ... [2019-11-26 02:15:31,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:30" (1/1) ... [2019-11-26 02:15:31,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:30" (1/1) ... [2019-11-26 02:15:31,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:30" (1/1) ... [2019-11-26 02:15:31,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:30" (1/1) ... [2019-11-26 02:15:31,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:15:31,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:15:31,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:15:31,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:15:31,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5d9f2df-7f02-4398-b7ca-125f543442d6/bin/utaipan/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 [2019-11-26 02:15:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:15:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-26 02:15:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:15:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:15:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-26 02:15:31,077 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-26 02:15:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-26 02:15:31,077 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-26 02:15:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-26 02:15:31,078 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-26 02:15:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-26 02:15:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:15:31,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:15:31,080 WARN L202 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-26 02:15:31,444 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:15:31,445 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-26 02:15:31,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:31 BoogieIcfgContainer [2019-11-26 02:15:31,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:15:31,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:15:31,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:15:31,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:15:31,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:15:30" (1/3) ... [2019-11-26 02:15:31,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18bf373a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:15:31, skipping insertion in model container [2019-11-26 02:15:31,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:30" (2/3) ... [2019-11-26 02:15:31,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18bf373a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:15:31, skipping insertion in model container [2019-11-26 02:15:31,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:31" (3/3) ... [2019-11-26 02:15:31,453 INFO L109 eAbstractionObserver]: Analyzing ICFG safe025_tso.oepc.i [2019-11-26 02:15:31,496 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,498 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,498 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,498 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,499 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,499 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,499 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,500 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,500 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,500 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,500 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,501 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,501 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,501 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,501 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,502 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,502 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,502 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,502 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,503 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,503 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,503 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,504 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,504 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,504 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,504 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,504 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,505 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,505 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,506 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,506 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,507 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,508 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,508 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,508 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,509 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,510 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,510 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,510 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,511 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,511 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,511 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,512 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,512 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,512 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,512 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,513 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,513 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,514 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,514 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,514 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,514 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,514 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,515 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:15:31,551 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-26 02:15:31,551 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:15:31,558 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:15:31,568 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:15:31,588 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:15:31,588 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:15:31,589 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:15:31,589 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:15:31,589 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:15:31,589 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:15:31,589 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:15:31,590 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:15:31,602 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 75 transitions [2019-11-26 02:15:31,737 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-11-26 02:15:31,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-11-26 02:15:31,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-26 02:15:31,765 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:31,766 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] [2019-11-26 02:15:31,767 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:15:31,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:31,772 INFO L82 PathProgramCache]: Analyzing trace with hash -635633472, now seen corresponding path program 1 times [2019-11-26 02:15:31,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:31,782 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566847808] [2019-11-26 02:15:31,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:32,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:32,121 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566847808] [2019-11-26 02:15:32,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:32,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-26 02:15:32,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667009838] [2019-11-26 02:15:32,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:15:32,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:32,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:15:32,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:15:32,142 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-11-26 02:15:32,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:32,241 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-11-26 02:15:32,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 02:15:32,242 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-26 02:15:32,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:32,274 INFO L225 Difference]: With dead ends: 1295 [2019-11-26 02:15:32,275 INFO L226 Difference]: Without dead ends: 601 [2019-11-26 02:15:32,276 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 [2019-11-26 02:15:32,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-11-26 02:15:32,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-11-26 02:15:32,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-11-26 02:15:32,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-11-26 02:15:32,402 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-11-26 02:15:32,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:32,403 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-11-26 02:15:32,403 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:15:32,403 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-11-26 02:15:32,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-26 02:15:32,408 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:32,409 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] [2019-11-26 02:15:32,409 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:15:32,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:32,410 INFO L82 PathProgramCache]: Analyzing trace with hash -461286940, now seen corresponding path program 1 times [2019-11-26 02:15:32,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:32,410 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817107831] [2019-11-26 02:15:32,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:32,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:32,554 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817107831] [2019-11-26 02:15:32,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:32,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-26 02:15:32,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035581391] [2019-11-26 02:15:32,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 02:15:32,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:32,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 02:15:32,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-26 02:15:32,557 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-11-26 02:15:32,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:32,625 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-11-26 02:15:32,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 02:15:32,626 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-26 02:15:32,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:32,631 INFO L225 Difference]: With dead ends: 601 [2019-11-26 02:15:32,631 INFO L226 Difference]: Without dead ends: 538 [2019-11-26 02:15:32,632 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 [2019-11-26 02:15:32,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-26 02:15:32,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-26 02:15:32,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-26 02:15:32,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-11-26 02:15:32,669 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-11-26 02:15:32,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:32,669 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-11-26 02:15:32,670 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 02:15:32,670 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-11-26 02:15:32,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-26 02:15:32,671 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:32,672 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] [2019-11-26 02:15:32,672 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:15:32,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:32,673 INFO L82 PathProgramCache]: Analyzing trace with hash 75149544, now seen corresponding path program 1 times [2019-11-26 02:15:32,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:32,673 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168474491] [2019-11-26 02:15:32,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:32,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:32,784 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168474491] [2019-11-26 02:15:32,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:32,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-26 02:15:32,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487985992] [2019-11-26 02:15:32,785 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 02:15:32,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:32,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 02:15:32,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:15:32,786 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 6 states. [2019-11-26 02:15:32,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:32,866 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-11-26 02:15:32,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-26 02:15:32,867 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-26 02:15:32,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:32,870 INFO L225 Difference]: With dead ends: 403 [2019-11-26 02:15:32,870 INFO L226 Difference]: Without dead ends: 349 [2019-11-26 02:15:32,871 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 [2019-11-26 02:15:32,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-11-26 02:15:32,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-11-26 02:15:32,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-11-26 02:15:32,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-11-26 02:15:32,886 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-11-26 02:15:32,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:32,887 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-11-26 02:15:32,887 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 02:15:32,887 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-11-26 02:15:32,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:15:32,889 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:32,889 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] [2019-11-26 02:15:32,889 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:15:32,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:32,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1952851242, now seen corresponding path program 1 times [2019-11-26 02:15:32,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:32,890 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365532678] [2019-11-26 02:15:32,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:33,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:33,048 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365532678] [2019-11-26 02:15:33,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:33,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-26 02:15:33,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324710113] [2019-11-26 02:15:33,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-26 02:15:33,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:33,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-26 02:15:33,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-26 02:15:33,050 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 8 states. [2019-11-26 02:15:33,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:33,366 INFO L93 Difference]: Finished difference Result 727 states and 1959 transitions. [2019-11-26 02:15:33,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-26 02:15:33,367 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-26 02:15:33,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:33,370 INFO L225 Difference]: With dead ends: 727 [2019-11-26 02:15:33,371 INFO L226 Difference]: Without dead ends: 253 [2019-11-26 02:15:33,375 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2019-11-26 02:15:33,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2019-11-26 02:15:33,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2019-11-26 02:15:33,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2019-11-26 02:15:33,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 672 transitions. [2019-11-26 02:15:33,390 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 672 transitions. Word has length 34 [2019-11-26 02:15:33,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:33,390 INFO L462 AbstractCegarLoop]: Abstraction has 253 states and 672 transitions. [2019-11-26 02:15:33,391 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-26 02:15:33,392 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 672 transitions. [2019-11-26 02:15:33,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:15:33,399 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:33,399 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] [2019-11-26 02:15:33,399 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:15:33,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:33,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1095395136, now seen corresponding path program 2 times [2019-11-26 02:15:33,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:33,401 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288927457] [2019-11-26 02:15:33,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:33,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:33,601 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288927457] [2019-11-26 02:15:33,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:33,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-26 02:15:33,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298045844] [2019-11-26 02:15:33,602 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-26 02:15:33,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:33,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-26 02:15:33,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-26 02:15:33,603 INFO L87 Difference]: Start difference. First operand 253 states and 672 transitions. Second operand 8 states. [2019-11-26 02:15:33,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:33,709 INFO L93 Difference]: Finished difference Result 199 states and 510 transitions. [2019-11-26 02:15:33,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-26 02:15:33,709 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-26 02:15:33,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:33,710 INFO L225 Difference]: With dead ends: 199 [2019-11-26 02:15:33,710 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:15:33,710 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 [2019-11-26 02:15:33,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:15:33,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:15:33,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:15:33,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:15:33,711 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-11-26 02:15:33,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:33,711 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:15:33,711 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-26 02:15:33,711 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:15:33,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:15:33,714 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-26 02:15:33,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:15:33 BasicIcfg [2019-11-26 02:15:33,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:15:33,718 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:15:33,718 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:15:33,718 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:15:33,719 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:31" (3/4) ... [2019-11-26 02:15:33,723 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:15:33,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-26 02:15:33,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-26 02:15:33,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-26 02:15:33,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-26 02:15:33,757 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:15:33,758 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:15:33,810 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f5d9f2df-7f02-4398-b7ca-125f543442d6/bin/utaipan/witness.graphml [2019-11-26 02:15:33,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:15:33,814 INFO L168 Benchmark]: Toolchain (without parser) took 3458.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 940.7 MB in the beginning and 903.2 MB in the end (delta: 37.4 MB). Peak memory consumption was 219.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:33,817 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:15:33,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 940.7 MB in the beginning and 1.2 GB in the end (delta: -212.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:33,818 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.41 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. [2019-11-26 02:15:33,818 INFO L168 Benchmark]: Boogie Preprocessor took 25.05 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:33,819 INFO L168 Benchmark]: RCFGBuilder took 429.46 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: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:33,824 INFO L168 Benchmark]: TraceAbstraction took 2270.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 903.2 MB in the end (delta: 216.0 MB). Peak memory consumption was 216.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:33,824 INFO L168 Benchmark]: Witness Printer took 94.31 ms. Allocated memory is still 1.2 GB. Free memory is still 903.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:15:33,826 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 578.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 940.7 MB in the beginning and 1.2 GB in the end (delta: -212.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.41 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 25.05 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 429.46 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: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2270.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 903.2 MB in the end (delta: 216.0 MB). Peak memory consumption was 216.0 MB. Max. memory is 11.5 GB. * Witness Printer took 94.31 ms. Allocated memory is still 1.2 GB. Free memory is still 903.2 MB. There was no memory consumed. 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: 2.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 242 SDtfs, 370 SDslu, 665 SDs, 0 SdLazy, 103 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 15897 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...