./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe033_pso.opt_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_28472fc6-6d20-4ac1-b54e-d7fbdfdf66ee/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_28472fc6-6d20-4ac1-b54e-d7fbdfdf66ee/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_28472fc6-6d20-4ac1-b54e-d7fbdfdf66ee/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_28472fc6-6d20-4ac1-b54e-d7fbdfdf66ee/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe033_pso.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_28472fc6-6d20-4ac1-b54e-d7fbdfdf66ee/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_28472fc6-6d20-4ac1-b54e-d7fbdfdf66ee/bin-2019/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 90fa9eed90a5127604a71182203ea3cd62222d37 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 06:53:39,992 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 06:53:39,993 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 06:53:39,999 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 06:53:39,999 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 06:53:40,000 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 06:53:40,000 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 06:53:40,001 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 06:53:40,002 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 06:53:40,002 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 06:53:40,003 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 06:53:40,003 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 06:53:40,004 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 06:53:40,004 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 06:53:40,005 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 06:53:40,005 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 06:53:40,006 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 06:53:40,006 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 06:53:40,007 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 06:53:40,008 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 06:53:40,009 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 06:53:40,010 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 06:53:40,011 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 06:53:40,011 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 06:53:40,011 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 06:53:40,012 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 06:53:40,012 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 06:53:40,013 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 06:53:40,013 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 06:53:40,014 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 06:53:40,014 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 06:53:40,014 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 06:53:40,014 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 06:53:40,014 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 06:53:40,015 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 06:53:40,015 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 06:53:40,016 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_28472fc6-6d20-4ac1-b54e-d7fbdfdf66ee/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 06:53:40,023 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 06:53:40,023 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 06:53:40,023 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 06:53:40,024 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 06:53:40,024 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 06:53:40,024 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 06:53:40,024 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 06:53:40,024 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 06:53:40,024 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 06:53:40,024 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 06:53:40,024 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 06:53:40,025 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 06:53:40,025 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 06:53:40,025 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 06:53:40,025 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 06:53:40,025 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 06:53:40,026 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 06:53:40,026 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 06:53:40,026 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 06:53:40,026 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 06:53:40,026 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 06:53:40,026 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 06:53:40,026 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 06:53:40,026 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 06:53:40,027 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 06:53:40,027 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 06:53:40,027 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 06:53:40,027 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 06:53:40,027 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 06:53:40,027 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 06:53:40,027 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 06:53:40,027 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 06:53:40,028 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 06:53:40,028 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 06:53:40,028 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 06:53:40,028 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 06:53:40,028 INFO L133 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/working_dir_28472fc6-6d20-4ac1-b54e-d7fbdfdf66ee/bin-2019/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 -> 90fa9eed90a5127604a71182203ea3cd62222d37 [2018-12-03 06:53:40,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 06:53:40,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 06:53:40,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 06:53:40,055 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 06:53:40,055 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 06:53:40,056 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_28472fc6-6d20-4ac1-b54e-d7fbdfdf66ee/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/safe033_pso.opt_false-unreach-call.i [2018-12-03 06:53:40,093 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_28472fc6-6d20-4ac1-b54e-d7fbdfdf66ee/bin-2019/utaipan/data/7259d77b5/eede691b099f4206a5b7c6fed476d730/FLAGae4061471 [2018-12-03 06:53:40,522 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 06:53:40,523 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_28472fc6-6d20-4ac1-b54e-d7fbdfdf66ee/sv-benchmarks/c/pthread-wmm/safe033_pso.opt_false-unreach-call.i [2018-12-03 06:53:40,529 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_28472fc6-6d20-4ac1-b54e-d7fbdfdf66ee/bin-2019/utaipan/data/7259d77b5/eede691b099f4206a5b7c6fed476d730/FLAGae4061471 [2018-12-03 06:53:40,537 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_28472fc6-6d20-4ac1-b54e-d7fbdfdf66ee/bin-2019/utaipan/data/7259d77b5/eede691b099f4206a5b7c6fed476d730 [2018-12-03 06:53:40,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 06:53:40,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 06:53:40,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 06:53:40,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 06:53:40,543 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 06:53:40,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:53:40" (1/1) ... [2018-12-03 06:53:40,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201b218f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:53:40, skipping insertion in model container [2018-12-03 06:53:40,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:53:40" (1/1) ... [2018-12-03 06:53:40,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 06:53:40,569 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 06:53:40,743 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 06:53:40,751 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 06:53:40,828 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 06:53:40,858 INFO L195 MainTranslator]: Completed translation [2018-12-03 06:53:40,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:53:40 WrapperNode [2018-12-03 06:53:40,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 06:53:40,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 06:53:40,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 06:53:40,859 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 06:53:40,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:53:40" (1/1) ... [2018-12-03 06:53:40,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:53:40" (1/1) ... [2018-12-03 06:53:40,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 06:53:40,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 06:53:40,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 06:53:40,892 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 06:53:40,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:53:40" (1/1) ... [2018-12-03 06:53:40,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:53:40" (1/1) ... [2018-12-03 06:53:40,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:53:40" (1/1) ... [2018-12-03 06:53:40,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:53:40" (1/1) ... [2018-12-03 06:53:40,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:53:40" (1/1) ... [2018-12-03 06:53:40,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:53:40" (1/1) ... [2018-12-03 06:53:40,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:53:40" (1/1) ... [2018-12-03 06:53:40,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 06:53:40,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 06:53:40,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 06:53:40,913 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 06:53:40,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:53:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_28472fc6-6d20-4ac1-b54e-d7fbdfdf66ee/bin-2019/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 [2018-12-03 06:53:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 06:53:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-03 06:53:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-03 06:53:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 06:53:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-03 06:53:40,950 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-03 06:53:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-03 06:53:40,951 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-03 06:53:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-03 06:53:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 06:53:40,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 06:53:40,952 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-03 06:53:41,285 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 06:53:41,286 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-03 06:53:41,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:53:41 BoogieIcfgContainer [2018-12-03 06:53:41,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 06:53:41,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 06:53:41,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 06:53:41,289 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 06:53:41,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 06:53:40" (1/3) ... [2018-12-03 06:53:41,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700c819c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:53:41, skipping insertion in model container [2018-12-03 06:53:41,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:53:40" (2/3) ... [2018-12-03 06:53:41,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700c819c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:53:41, skipping insertion in model container [2018-12-03 06:53:41,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:53:41" (3/3) ... [2018-12-03 06:53:41,291 INFO L112 eAbstractionObserver]: Analyzing ICFG safe033_pso.opt_false-unreach-call.i [2018-12-03 06:53:41,313 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,313 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,313 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,314 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,314 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,314 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,314 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,314 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,315 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,315 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,315 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,315 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,315 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,315 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,315 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,316 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,316 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,316 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,316 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,316 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,316 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,316 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,317 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,317 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,317 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,317 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,317 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,317 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,317 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,317 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,318 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,318 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,318 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,318 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,318 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,318 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,318 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,319 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,319 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,319 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,319 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,319 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,319 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,319 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,320 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,320 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,320 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,320 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,320 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,320 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,320 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,321 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,321 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,321 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,321 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,321 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,321 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,321 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,321 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,322 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,322 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,322 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,322 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,322 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,322 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,322 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,322 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,323 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,323 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,323 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,323 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,323 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,323 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,323 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,324 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,324 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,324 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,324 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,324 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,324 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,324 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,325 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,325 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,325 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,325 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,325 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,325 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,325 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,326 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,326 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,326 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,326 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,326 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,326 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,326 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,326 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,326 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,327 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,327 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,327 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,327 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,327 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,327 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,327 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,328 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,328 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,330 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,330 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,330 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,330 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,330 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,330 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,330 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,330 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,331 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,331 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,331 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,331 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,331 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,331 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,331 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,331 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,331 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,332 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,332 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:53:41,336 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-03 06:53:41,336 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 06:53:41,341 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-03 06:53:41,351 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-03 06:53:41,366 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 06:53:41,367 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 06:53:41,367 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 06:53:41,367 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 06:53:41,367 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 06:53:41,367 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 06:53:41,367 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 06:53:41,367 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 06:53:41,374 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 129places, 161 transitions [2018-12-03 06:53:42,592 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 27853 states. [2018-12-03 06:53:42,594 INFO L276 IsEmpty]: Start isEmpty. Operand 27853 states. [2018-12-03 06:53:42,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-03 06:53:42,599 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:53:42,599 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:53:42,601 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:53:42,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:53:42,604 INFO L82 PathProgramCache]: Analyzing trace with hash -743892383, now seen corresponding path program 1 times [2018-12-03 06:53:42,606 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:53:42,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:42,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:53:42,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:42,640 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:53:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:53:42,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:53:42,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:53:42,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 06:53:42,739 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:53:42,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 06:53:42,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 06:53:42,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 06:53:42,751 INFO L87 Difference]: Start difference. First operand 27853 states. Second operand 4 states. [2018-12-03 06:53:43,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:53:43,100 INFO L93 Difference]: Finished difference Result 47765 states and 183116 transitions. [2018-12-03 06:53:43,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 06:53:43,101 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2018-12-03 06:53:43,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:53:43,243 INFO L225 Difference]: With dead ends: 47765 [2018-12-03 06:53:43,243 INFO L226 Difference]: Without dead ends: 34605 [2018-12-03 06:53:43,244 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 06:53:43,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34605 states. [2018-12-03 06:53:43,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34605 to 21753. [2018-12-03 06:53:43,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21753 states. [2018-12-03 06:53:43,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21753 states to 21753 states and 83438 transitions. [2018-12-03 06:53:43,893 INFO L78 Accepts]: Start accepts. Automaton has 21753 states and 83438 transitions. Word has length 36 [2018-12-03 06:53:43,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:53:43,893 INFO L480 AbstractCegarLoop]: Abstraction has 21753 states and 83438 transitions. [2018-12-03 06:53:43,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 06:53:43,893 INFO L276 IsEmpty]: Start isEmpty. Operand 21753 states and 83438 transitions. [2018-12-03 06:53:43,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-03 06:53:43,897 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:53:43,897 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:53:43,898 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:53:43,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:53:43,898 INFO L82 PathProgramCache]: Analyzing trace with hash 243022970, now seen corresponding path program 1 times [2018-12-03 06:53:43,898 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:53:43,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:43,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:53:43,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:43,901 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:53:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:53:43,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:53:43,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:53:43,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 06:53:43,947 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:53:43,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 06:53:43,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 06:53:43,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 06:53:43,948 INFO L87 Difference]: Start difference. First operand 21753 states and 83438 transitions. Second operand 4 states. [2018-12-03 06:53:44,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:53:44,021 INFO L93 Difference]: Finished difference Result 7167 states and 23623 transitions. [2018-12-03 06:53:44,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 06:53:44,021 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2018-12-03 06:53:44,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:53:44,034 INFO L225 Difference]: With dead ends: 7167 [2018-12-03 06:53:44,034 INFO L226 Difference]: Without dead ends: 6321 [2018-12-03 06:53:44,035 INFO L631 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 [2018-12-03 06:53:44,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6321 states. [2018-12-03 06:53:44,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6321 to 6321. [2018-12-03 06:53:44,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6321 states. [2018-12-03 06:53:44,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6321 states to 6321 states and 20695 transitions. [2018-12-03 06:53:44,106 INFO L78 Accepts]: Start accepts. Automaton has 6321 states and 20695 transitions. Word has length 44 [2018-12-03 06:53:44,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:53:44,106 INFO L480 AbstractCegarLoop]: Abstraction has 6321 states and 20695 transitions. [2018-12-03 06:53:44,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 06:53:44,107 INFO L276 IsEmpty]: Start isEmpty. Operand 6321 states and 20695 transitions. [2018-12-03 06:53:44,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-03 06:53:44,107 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:53:44,108 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:53:44,108 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:53:44,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:53:44,108 INFO L82 PathProgramCache]: Analyzing trace with hash -69776966, now seen corresponding path program 1 times [2018-12-03 06:53:44,108 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:53:44,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:44,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:53:44,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:44,111 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:53:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:53:44,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:53:44,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:53:44,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 06:53:44,172 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:53:44,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 06:53:44,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 06:53:44,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 06:53:44,173 INFO L87 Difference]: Start difference. First operand 6321 states and 20695 transitions. Second operand 5 states. [2018-12-03 06:53:44,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:53:44,371 INFO L93 Difference]: Finished difference Result 12017 states and 38781 transitions. [2018-12-03 06:53:44,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 06:53:44,372 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-12-03 06:53:44,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:53:44,440 INFO L225 Difference]: With dead ends: 12017 [2018-12-03 06:53:44,440 INFO L226 Difference]: Without dead ends: 11942 [2018-12-03 06:53:44,440 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-03 06:53:44,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11942 states. [2018-12-03 06:53:44,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11942 to 8286. [2018-12-03 06:53:44,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8286 states. [2018-12-03 06:53:44,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8286 states to 8286 states and 26548 transitions. [2018-12-03 06:53:44,545 INFO L78 Accepts]: Start accepts. Automaton has 8286 states and 26548 transitions. Word has length 45 [2018-12-03 06:53:44,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:53:44,546 INFO L480 AbstractCegarLoop]: Abstraction has 8286 states and 26548 transitions. [2018-12-03 06:53:44,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 06:53:44,546 INFO L276 IsEmpty]: Start isEmpty. Operand 8286 states and 26548 transitions. [2018-12-03 06:53:44,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-03 06:53:44,547 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:53:44,547 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:53:44,547 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:53:44,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:53:44,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1748582240, now seen corresponding path program 1 times [2018-12-03 06:53:44,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:53:44,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:44,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:53:44,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:44,550 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:53:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:53:44,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:53:44,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:53:44,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 06:53:44,572 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:53:44,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 06:53:44,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 06:53:44,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 06:53:44,573 INFO L87 Difference]: Start difference. First operand 8286 states and 26548 transitions. Second operand 3 states. [2018-12-03 06:53:44,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:53:44,616 INFO L93 Difference]: Finished difference Result 10982 states and 34703 transitions. [2018-12-03 06:53:44,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 06:53:44,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-03 06:53:44,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:53:44,630 INFO L225 Difference]: With dead ends: 10982 [2018-12-03 06:53:44,630 INFO L226 Difference]: Without dead ends: 10978 [2018-12-03 06:53:44,630 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 06:53:44,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10978 states. [2018-12-03 06:53:44,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10978 to 8504. [2018-12-03 06:53:44,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8504 states. [2018-12-03 06:53:44,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8504 states to 8504 states and 26984 transitions. [2018-12-03 06:53:44,734 INFO L78 Accepts]: Start accepts. Automaton has 8504 states and 26984 transitions. Word has length 47 [2018-12-03 06:53:44,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:53:44,734 INFO L480 AbstractCegarLoop]: Abstraction has 8504 states and 26984 transitions. [2018-12-03 06:53:44,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 06:53:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 8504 states and 26984 transitions. [2018-12-03 06:53:44,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 06:53:44,736 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:53:44,736 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:53:44,736 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:53:44,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:53:44,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1993857643, now seen corresponding path program 1 times [2018-12-03 06:53:44,736 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:53:44,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:44,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:53:44,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:44,738 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:53:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:53:44,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:53:44,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:53:44,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:53:44,795 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:53:44,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:53:44,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:53:44,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:53:44,796 INFO L87 Difference]: Start difference. First operand 8504 states and 26984 transitions. Second operand 6 states. [2018-12-03 06:53:45,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:53:45,041 INFO L93 Difference]: Finished difference Result 11920 states and 37195 transitions. [2018-12-03 06:53:45,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-03 06:53:45,041 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2018-12-03 06:53:45,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:53:45,054 INFO L225 Difference]: With dead ends: 11920 [2018-12-03 06:53:45,054 INFO L226 Difference]: Without dead ends: 11823 [2018-12-03 06:53:45,054 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-03 06:53:45,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11823 states. [2018-12-03 06:53:45,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11823 to 9278. [2018-12-03 06:53:45,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9278 states. [2018-12-03 06:53:45,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9278 states to 9278 states and 29428 transitions. [2018-12-03 06:53:45,174 INFO L78 Accepts]: Start accepts. Automaton has 9278 states and 29428 transitions. Word has length 51 [2018-12-03 06:53:45,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:53:45,174 INFO L480 AbstractCegarLoop]: Abstraction has 9278 states and 29428 transitions. [2018-12-03 06:53:45,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:53:45,174 INFO L276 IsEmpty]: Start isEmpty. Operand 9278 states and 29428 transitions. [2018-12-03 06:53:45,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-03 06:53:45,179 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:53:45,179 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:53:45,180 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:53:45,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:53:45,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1315887873, now seen corresponding path program 1 times [2018-12-03 06:53:45,180 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:53:45,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:45,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:53:45,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:45,181 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:53:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:53:45,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:53:45,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:53:45,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:53:45,233 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:53:45,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:53:45,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:53:45,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:53:45,234 INFO L87 Difference]: Start difference. First operand 9278 states and 29428 transitions. Second operand 6 states. [2018-12-03 06:53:45,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:53:45,567 INFO L93 Difference]: Finished difference Result 20419 states and 63650 transitions. [2018-12-03 06:53:45,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-03 06:53:45,568 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-12-03 06:53:45,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:53:45,591 INFO L225 Difference]: With dead ends: 20419 [2018-12-03 06:53:45,591 INFO L226 Difference]: Without dead ends: 20355 [2018-12-03 06:53:45,591 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-12-03 06:53:45,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20355 states. [2018-12-03 06:53:45,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20355 to 12455. [2018-12-03 06:53:45,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12455 states. [2018-12-03 06:53:45,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12455 states to 12455 states and 38861 transitions. [2018-12-03 06:53:45,763 INFO L78 Accepts]: Start accepts. Automaton has 12455 states and 38861 transitions. Word has length 61 [2018-12-03 06:53:45,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:53:45,764 INFO L480 AbstractCegarLoop]: Abstraction has 12455 states and 38861 transitions. [2018-12-03 06:53:45,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:53:45,764 INFO L276 IsEmpty]: Start isEmpty. Operand 12455 states and 38861 transitions. [2018-12-03 06:53:45,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-03 06:53:45,770 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:53:45,770 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:53:45,770 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:53:45,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:53:45,770 INFO L82 PathProgramCache]: Analyzing trace with hash -853820074, now seen corresponding path program 1 times [2018-12-03 06:53:45,770 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:53:45,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:45,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:53:45,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:45,772 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:53:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:53:45,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:53:45,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:53:45,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 06:53:45,816 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:53:45,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 06:53:45,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 06:53:45,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 06:53:45,817 INFO L87 Difference]: Start difference. First operand 12455 states and 38861 transitions. Second operand 4 states. [2018-12-03 06:53:45,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:53:45,966 INFO L93 Difference]: Finished difference Result 15657 states and 48177 transitions. [2018-12-03 06:53:45,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 06:53:45,966 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2018-12-03 06:53:45,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:53:45,983 INFO L225 Difference]: With dead ends: 15657 [2018-12-03 06:53:45,983 INFO L226 Difference]: Without dead ends: 15657 [2018-12-03 06:53:45,983 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 06:53:46,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15657 states. [2018-12-03 06:53:46,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15657 to 14081. [2018-12-03 06:53:46,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14081 states. [2018-12-03 06:53:46,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14081 states to 14081 states and 43500 transitions. [2018-12-03 06:53:46,140 INFO L78 Accepts]: Start accepts. Automaton has 14081 states and 43500 transitions. Word has length 63 [2018-12-03 06:53:46,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:53:46,141 INFO L480 AbstractCegarLoop]: Abstraction has 14081 states and 43500 transitions. [2018-12-03 06:53:46,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 06:53:46,141 INFO L276 IsEmpty]: Start isEmpty. Operand 14081 states and 43500 transitions. [2018-12-03 06:53:46,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-03 06:53:46,148 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:53:46,148 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:53:46,148 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:53:46,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:53:46,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1363937879, now seen corresponding path program 1 times [2018-12-03 06:53:46,148 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:53:46,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:46,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:53:46,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:46,150 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:53:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:53:46,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:53:46,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:53:46,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 06:53:46,172 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:53:46,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 06:53:46,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 06:53:46,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 06:53:46,173 INFO L87 Difference]: Start difference. First operand 14081 states and 43500 transitions. Second operand 3 states. [2018-12-03 06:53:46,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:53:46,314 INFO L93 Difference]: Finished difference Result 14610 states and 44963 transitions. [2018-12-03 06:53:46,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 06:53:46,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-12-03 06:53:46,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:53:46,332 INFO L225 Difference]: With dead ends: 14610 [2018-12-03 06:53:46,332 INFO L226 Difference]: Without dead ends: 14610 [2018-12-03 06:53:46,332 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 06:53:46,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14610 states. [2018-12-03 06:53:46,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14610 to 14361. [2018-12-03 06:53:46,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14361 states. [2018-12-03 06:53:46,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14361 states to 14361 states and 44268 transitions. [2018-12-03 06:53:46,539 INFO L78 Accepts]: Start accepts. Automaton has 14361 states and 44268 transitions. Word has length 63 [2018-12-03 06:53:46,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:53:46,540 INFO L480 AbstractCegarLoop]: Abstraction has 14361 states and 44268 transitions. [2018-12-03 06:53:46,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 06:53:46,540 INFO L276 IsEmpty]: Start isEmpty. Operand 14361 states and 44268 transitions. [2018-12-03 06:53:46,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-03 06:53:46,550 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:53:46,550 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:53:46,550 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:53:46,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:53:46,550 INFO L82 PathProgramCache]: Analyzing trace with hash -748925378, now seen corresponding path program 1 times [2018-12-03 06:53:46,550 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:53:46,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:46,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:53:46,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:46,552 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:53:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:53:46,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:53:46,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:53:46,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:53:46,622 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:53:46,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:53:46,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:53:46,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:53:46,623 INFO L87 Difference]: Start difference. First operand 14361 states and 44268 transitions. Second operand 6 states. [2018-12-03 06:53:47,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:53:47,177 INFO L93 Difference]: Finished difference Result 17615 states and 53548 transitions. [2018-12-03 06:53:47,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 06:53:47,177 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-12-03 06:53:47,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:53:47,196 INFO L225 Difference]: With dead ends: 17615 [2018-12-03 06:53:47,196 INFO L226 Difference]: Without dead ends: 17615 [2018-12-03 06:53:47,197 INFO L631 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 [2018-12-03 06:53:47,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17615 states. [2018-12-03 06:53:47,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17615 to 16642. [2018-12-03 06:53:47,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16642 states. [2018-12-03 06:53:47,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16642 states to 16642 states and 50905 transitions. [2018-12-03 06:53:47,381 INFO L78 Accepts]: Start accepts. Automaton has 16642 states and 50905 transitions. Word has length 65 [2018-12-03 06:53:47,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:53:47,381 INFO L480 AbstractCegarLoop]: Abstraction has 16642 states and 50905 transitions. [2018-12-03 06:53:47,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:53:47,381 INFO L276 IsEmpty]: Start isEmpty. Operand 16642 states and 50905 transitions. [2018-12-03 06:53:47,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-03 06:53:47,390 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:53:47,390 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:53:47,390 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:53:47,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:53:47,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1468832575, now seen corresponding path program 1 times [2018-12-03 06:53:47,391 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:53:47,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:47,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:53:47,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:47,392 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:53:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:53:47,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:53:47,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:53:47,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:53:47,460 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:53:47,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:53:47,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:53:47,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:53:47,460 INFO L87 Difference]: Start difference. First operand 16642 states and 50905 transitions. Second operand 6 states. [2018-12-03 06:53:47,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:53:47,734 INFO L93 Difference]: Finished difference Result 19520 states and 57852 transitions. [2018-12-03 06:53:47,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 06:53:47,735 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-12-03 06:53:47,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:53:47,756 INFO L225 Difference]: With dead ends: 19520 [2018-12-03 06:53:47,756 INFO L226 Difference]: Without dead ends: 19520 [2018-12-03 06:53:47,756 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-03 06:53:47,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19520 states. [2018-12-03 06:53:47,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19520 to 16972. [2018-12-03 06:53:47,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16972 states. [2018-12-03 06:53:47,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16972 states to 16972 states and 51005 transitions. [2018-12-03 06:53:47,950 INFO L78 Accepts]: Start accepts. Automaton has 16972 states and 51005 transitions. Word has length 65 [2018-12-03 06:53:47,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:53:47,950 INFO L480 AbstractCegarLoop]: Abstraction has 16972 states and 51005 transitions. [2018-12-03 06:53:47,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:53:47,950 INFO L276 IsEmpty]: Start isEmpty. Operand 16972 states and 51005 transitions. [2018-12-03 06:53:47,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-03 06:53:47,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:53:47,960 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:53:47,960 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:53:47,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:53:47,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1680183488, now seen corresponding path program 1 times [2018-12-03 06:53:47,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:53:47,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:47,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:53:47,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:47,962 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:53:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:53:48,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:53:48,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:53:48,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 06:53:48,018 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:53:48,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 06:53:48,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 06:53:48,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 06:53:48,019 INFO L87 Difference]: Start difference. First operand 16972 states and 51005 transitions. Second operand 5 states. [2018-12-03 06:53:48,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:53:48,243 INFO L93 Difference]: Finished difference Result 23593 states and 70379 transitions. [2018-12-03 06:53:48,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 06:53:48,243 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-12-03 06:53:48,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:53:48,268 INFO L225 Difference]: With dead ends: 23593 [2018-12-03 06:53:48,268 INFO L226 Difference]: Without dead ends: 23593 [2018-12-03 06:53:48,269 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-03 06:53:48,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23593 states. [2018-12-03 06:53:48,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23593 to 18003. [2018-12-03 06:53:48,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18003 states. [2018-12-03 06:53:48,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18003 states to 18003 states and 54094 transitions. [2018-12-03 06:53:48,523 INFO L78 Accepts]: Start accepts. Automaton has 18003 states and 54094 transitions. Word has length 65 [2018-12-03 06:53:48,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:53:48,523 INFO L480 AbstractCegarLoop]: Abstraction has 18003 states and 54094 transitions. [2018-12-03 06:53:48,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 06:53:48,523 INFO L276 IsEmpty]: Start isEmpty. Operand 18003 states and 54094 transitions. [2018-12-03 06:53:48,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-03 06:53:48,533 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:53:48,533 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:53:48,534 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:53:48,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:53:48,534 INFO L82 PathProgramCache]: Analyzing trace with hash -127270975, now seen corresponding path program 1 times [2018-12-03 06:53:48,534 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:53:48,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:48,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:53:48,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:48,535 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:53:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:53:48,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:53:48,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:53:48,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 06:53:48,565 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:53:48,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 06:53:48,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 06:53:48,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 06:53:48,565 INFO L87 Difference]: Start difference. First operand 18003 states and 54094 transitions. Second operand 4 states. [2018-12-03 06:53:48,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:53:48,913 INFO L93 Difference]: Finished difference Result 27327 states and 82243 transitions. [2018-12-03 06:53:48,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 06:53:48,914 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2018-12-03 06:53:48,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:53:48,945 INFO L225 Difference]: With dead ends: 27327 [2018-12-03 06:53:48,946 INFO L226 Difference]: Without dead ends: 26907 [2018-12-03 06:53:48,946 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-03 06:53:48,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26907 states. [2018-12-03 06:53:49,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26907 to 24515. [2018-12-03 06:53:49,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24515 states. [2018-12-03 06:53:49,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24515 states to 24515 states and 73978 transitions. [2018-12-03 06:53:49,229 INFO L78 Accepts]: Start accepts. Automaton has 24515 states and 73978 transitions. Word has length 65 [2018-12-03 06:53:49,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:53:49,229 INFO L480 AbstractCegarLoop]: Abstraction has 24515 states and 73978 transitions. [2018-12-03 06:53:49,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 06:53:49,229 INFO L276 IsEmpty]: Start isEmpty. Operand 24515 states and 73978 transitions. [2018-12-03 06:53:49,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-03 06:53:49,243 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:53:49,243 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:53:49,243 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:53:49,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:53:49,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1924222334, now seen corresponding path program 1 times [2018-12-03 06:53:49,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:53:49,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:49,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:53:49,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:49,244 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:53:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:53:49,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:53:49,325 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:53:49,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 06:53:49,326 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:53:49,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 06:53:49,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 06:53:49,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-03 06:53:49,326 INFO L87 Difference]: Start difference. First operand 24515 states and 73978 transitions. Second operand 7 states. [2018-12-03 06:53:49,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:53:49,611 INFO L93 Difference]: Finished difference Result 21433 states and 61175 transitions. [2018-12-03 06:53:49,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-03 06:53:49,611 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-12-03 06:53:49,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:53:49,633 INFO L225 Difference]: With dead ends: 21433 [2018-12-03 06:53:49,633 INFO L226 Difference]: Without dead ends: 21433 [2018-12-03 06:53:49,633 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2018-12-03 06:53:49,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21433 states. [2018-12-03 06:53:49,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21433 to 16775. [2018-12-03 06:53:49,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16775 states. [2018-12-03 06:53:49,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16775 states to 16775 states and 47917 transitions. [2018-12-03 06:53:49,825 INFO L78 Accepts]: Start accepts. Automaton has 16775 states and 47917 transitions. Word has length 65 [2018-12-03 06:53:49,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:53:49,825 INFO L480 AbstractCegarLoop]: Abstraction has 16775 states and 47917 transitions. [2018-12-03 06:53:49,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 06:53:49,826 INFO L276 IsEmpty]: Start isEmpty. Operand 16775 states and 47917 transitions. [2018-12-03 06:53:49,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-03 06:53:49,834 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:53:49,834 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:53:49,834 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:53:49,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:53:49,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1036718653, now seen corresponding path program 1 times [2018-12-03 06:53:49,835 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:53:49,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:49,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:53:49,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:49,836 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:53:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:53:49,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:53:49,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:53:49,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 06:53:49,873 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:53:49,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 06:53:49,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 06:53:49,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-03 06:53:49,874 INFO L87 Difference]: Start difference. First operand 16775 states and 47917 transitions. Second operand 5 states. [2018-12-03 06:53:49,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:53:49,913 INFO L93 Difference]: Finished difference Result 4691 states and 11226 transitions. [2018-12-03 06:53:49,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 06:53:49,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-12-03 06:53:49,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:53:49,917 INFO L225 Difference]: With dead ends: 4691 [2018-12-03 06:53:49,917 INFO L226 Difference]: Without dead ends: 3793 [2018-12-03 06:53:49,917 INFO L631 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 [2018-12-03 06:53:49,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3793 states. [2018-12-03 06:53:49,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3793 to 3504. [2018-12-03 06:53:49,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3504 states. [2018-12-03 06:53:49,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3504 states to 3504 states and 8175 transitions. [2018-12-03 06:53:49,951 INFO L78 Accepts]: Start accepts. Automaton has 3504 states and 8175 transitions. Word has length 65 [2018-12-03 06:53:49,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:53:49,951 INFO L480 AbstractCegarLoop]: Abstraction has 3504 states and 8175 transitions. [2018-12-03 06:53:49,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 06:53:49,951 INFO L276 IsEmpty]: Start isEmpty. Operand 3504 states and 8175 transitions. [2018-12-03 06:53:49,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-03 06:53:49,954 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:53:49,954 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:53:49,954 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:53:49,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:53:49,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1844636311, now seen corresponding path program 1 times [2018-12-03 06:53:49,955 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:53:49,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:49,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:53:49,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:49,956 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:53:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:53:50,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:53:50,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:53:50,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:53:50,028 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:53:50,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:53:50,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:53:50,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:53:50,028 INFO L87 Difference]: Start difference. First operand 3504 states and 8175 transitions. Second operand 6 states. [2018-12-03 06:53:50,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:53:50,128 INFO L93 Difference]: Finished difference Result 4013 states and 9225 transitions. [2018-12-03 06:53:50,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 06:53:50,129 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 82 [2018-12-03 06:53:50,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:53:50,131 INFO L225 Difference]: With dead ends: 4013 [2018-12-03 06:53:50,131 INFO L226 Difference]: Without dead ends: 3909 [2018-12-03 06:53:50,131 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-03 06:53:50,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3909 states. [2018-12-03 06:53:50,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3909 to 3342. [2018-12-03 06:53:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3342 states. [2018-12-03 06:53:50,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3342 states to 3342 states and 7669 transitions. [2018-12-03 06:53:50,163 INFO L78 Accepts]: Start accepts. Automaton has 3342 states and 7669 transitions. Word has length 82 [2018-12-03 06:53:50,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:53:50,164 INFO L480 AbstractCegarLoop]: Abstraction has 3342 states and 7669 transitions. [2018-12-03 06:53:50,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:53:50,164 INFO L276 IsEmpty]: Start isEmpty. Operand 3342 states and 7669 transitions. [2018-12-03 06:53:50,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-03 06:53:50,166 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:53:50,167 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:53:50,167 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:53:50,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:53:50,167 INFO L82 PathProgramCache]: Analyzing trace with hash 373121642, now seen corresponding path program 1 times [2018-12-03 06:53:50,167 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:53:50,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:50,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:53:50,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:50,168 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:53:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:53:50,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:53:50,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:53:50,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 06:53:50,247 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:53:50,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 06:53:50,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 06:53:50,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 06:53:50,247 INFO L87 Difference]: Start difference. First operand 3342 states and 7669 transitions. Second operand 7 states. [2018-12-03 06:53:50,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:53:50,478 INFO L93 Difference]: Finished difference Result 6188 states and 14306 transitions. [2018-12-03 06:53:50,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 06:53:50,479 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-12-03 06:53:50,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:53:50,481 INFO L225 Difference]: With dead ends: 6188 [2018-12-03 06:53:50,481 INFO L226 Difference]: Without dead ends: 2607 [2018-12-03 06:53:50,481 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-03 06:53:50,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2607 states. [2018-12-03 06:53:50,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2607 to 2607. [2018-12-03 06:53:50,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2607 states. [2018-12-03 06:53:50,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2607 states and 6035 transitions. [2018-12-03 06:53:50,503 INFO L78 Accepts]: Start accepts. Automaton has 2607 states and 6035 transitions. Word has length 82 [2018-12-03 06:53:50,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:53:50,503 INFO L480 AbstractCegarLoop]: Abstraction has 2607 states and 6035 transitions. [2018-12-03 06:53:50,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 06:53:50,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2607 states and 6035 transitions. [2018-12-03 06:53:50,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-03 06:53:50,505 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:53:50,505 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:53:50,505 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:53:50,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:53:50,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1980467430, now seen corresponding path program 2 times [2018-12-03 06:53:50,506 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:53:50,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:50,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:53:50,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:53:50,507 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:53:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 06:53:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 06:53:50,549 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 06:53:50,638 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-03 06:53:50,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 06:53:50 BasicIcfg [2018-12-03 06:53:50,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 06:53:50,640 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 06:53:50,640 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 06:53:50,640 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 06:53:50,640 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:53:41" (3/4) ... [2018-12-03 06:53:50,642 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-03 06:53:50,753 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_28472fc6-6d20-4ac1-b54e-d7fbdfdf66ee/bin-2019/utaipan/witness.graphml [2018-12-03 06:53:50,754 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 06:53:50,754 INFO L168 Benchmark]: Toolchain (without parser) took 10214.76 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 945.9 MB in the beginning and 1.9 GB in the end (delta: -920.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-03 06:53:50,756 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 06:53:50,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-12-03 06:53:50,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.20 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-03 06:53:50,756 INFO L168 Benchmark]: Boogie Preprocessor took 20.73 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. [2018-12-03 06:53:50,757 INFO L168 Benchmark]: RCFGBuilder took 373.49 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: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 11.5 GB. [2018-12-03 06:53:50,757 INFO L168 Benchmark]: TraceAbstraction took 9352.81 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 918.0 MB). Free memory was 1.1 GB in the beginning and 645.6 MB in the end (delta: 414.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-03 06:53:50,757 INFO L168 Benchmark]: Witness Printer took 113.91 ms. Allocated memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 7.3 MB). Free memory was 645.6 MB in the beginning and 1.9 GB in the end (delta: -1.2 GB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-12-03 06:53:50,759 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.20 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.73 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. * RCFGBuilder took 373.49 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: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9352.81 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 918.0 MB). Free memory was 1.1 GB in the beginning and 645.6 MB in the end (delta: 414.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 113.91 ms. Allocated memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 7.3 MB). Free memory was 645.6 MB in the beginning and 1.9 GB in the end (delta: -1.2 GB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L672] -1 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L674] -1 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L675] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0] [L676] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L678] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L679] -1 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0] [L680] -1 int x$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0] [L681] -1 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L682] -1 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L683] -1 _Bool x$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0] [L684] -1 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0] [L685] -1 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0] [L686] -1 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0] [L687] -1 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0] [L688] -1 int *x$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L689] -1 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0] [L690] -1 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0] [L691] -1 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0] [L692] -1 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L694] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L695] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L696] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L766] -1 pthread_t t2569; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L767] FCALL, FORK -1 pthread_create(&t2569, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L768] -1 pthread_t t2570; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L769] FCALL, FORK -1 pthread_create(&t2570, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L730] 0 x$w_buff1 = x$w_buff0 [L731] 0 x$w_buff0 = 1 [L732] 0 x$w_buff1_used = x$w_buff0_used [L733] 0 x$w_buff0_used = (_Bool)1 [L5] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L735] 0 x$r_buff1_thd0 = x$r_buff0_thd0 [L736] 0 x$r_buff1_thd1 = x$r_buff0_thd1 [L737] 0 x$r_buff1_thd2 = x$r_buff0_thd2 [L738] 0 x$r_buff0_thd2 = (_Bool)1 [L741] 0 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L700] 1 y = 2 [L705] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L706] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L707] 1 x$flush_delayed = weak$$choice2 [L708] 1 x$mem_tmp = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L709] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) VAL [!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L709] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L710] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0))=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L710] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L711] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L711] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L712] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used))=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L744] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used))=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L712] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L713] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L713] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L714] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L714] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L715] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L715] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L716] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L717] EXPR 1 x$flush_delayed ? x$mem_tmp : x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=1, x$flush_delayed ? x$mem_tmp : x=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L717] 1 x = x$flush_delayed ? x$mem_tmp : x [L718] 1 x$flush_delayed = (_Bool)0 [L723] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L744] 0 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L745] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L745] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L746] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L746] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L747] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L747] 0 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L748] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L748] 0 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L751] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L771] -1 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L775] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L775] EXPR -1 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L775] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L775] -1 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L776] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L776] -1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L777] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L777] -1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L778] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L778] -1 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L779] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L779] -1 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L782] -1 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L5] COND TRUE -1 !expression VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L5] -1 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 197 locations, 3 error locations. UNSAFE Result, 9.2s OverallTime, 17 OverallIterations, 1 TraceHistogramMax, 4.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4330 SDtfs, 5296 SDslu, 8115 SDs, 0 SdLazy, 3456 SolverSat, 241 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 40 SyntacticMatches, 9 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27853occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 16 MinimizatonAttempts, 48269 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1046 NumberOfCodeBlocks, 1046 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 948 ConstructedInterpolants, 0 QuantifiedInterpolants, 148960 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...