./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi007_pso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f65523e0-bd5d-41e0-ae8e-d6722950a1c2/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f65523e0-bd5d-41e0-ae8e-d6722950a1c2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f65523e0-bd5d-41e0-ae8e-d6722950a1c2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f65523e0-bd5d-41e0-ae8e-d6722950a1c2/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi007_pso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f65523e0-bd5d-41e0-ae8e-d6722950a1c2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f65523e0-bd5d-41e0-ae8e-d6722950a1c2/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e40dfaeab27da606037e75759a8e5bbddd40e1c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-28 07:40:28,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:40:28,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:40:28,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:40:28,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:40:28,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:40:28,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:40:28,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:40:29,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:40:29,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:40:29,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:40:29,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:40:29,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:40:29,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:40:29,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:40:29,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:40:29,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:40:29,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:40:29,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:40:29,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:40:29,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:40:29,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:40:29,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:40:29,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:40:29,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:40:29,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:40:29,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:40:29,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:40:29,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:40:29,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:40:29,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:40:29,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:40:29,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:40:29,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:40:29,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:40:29,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:40:29,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:40:29,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:40:29,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:40:29,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:40:29,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:40:29,057 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f65523e0-bd5d-41e0-ae8e-d6722950a1c2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:40:29,080 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:40:29,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:40:29,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:40:29,082 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:40:29,082 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:40:29,082 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:40:29,082 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:40:29,082 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:40:29,083 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:40:29,083 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:40:29,083 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:40:29,083 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:40:29,083 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:40:29,084 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:40:29,084 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:40:29,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:40:29,085 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:40:29,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:40:29,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:40:29,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:40:29,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:40:29,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:40:29,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:40:29,086 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:40:29,086 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:40:29,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:40:29,086 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:40:29,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:40:29,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:40:29,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:40:29,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:40:29,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:40:29,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:40:29,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:40:29,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:40:29,088 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:40:29,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:40:29,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:40:29,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:40:29,089 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:40:29,089 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_f65523e0-bd5d-41e0-ae8e-d6722950a1c2/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f65523e0-bd5d-41e0-ae8e-d6722950a1c2/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e40dfaeab27da606037e75759a8e5bbddd40e1c [2020-11-28 07:40:29,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:40:29,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:40:29,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:40:29,447 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:40:29,449 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:40:29,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f65523e0-bd5d-41e0-ae8e-d6722950a1c2/bin/utaipan/../../sv-benchmarks/c/pthread-wmm/rfi007_pso.opt.i [2020-11-28 07:40:29,531 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f65523e0-bd5d-41e0-ae8e-d6722950a1c2/bin/utaipan/data/30d10790b/8492ff1107f84ed0af2452098bab5512/FLAGca35dd8be [2020-11-28 07:40:30,251 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:40:30,251 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f65523e0-bd5d-41e0-ae8e-d6722950a1c2/sv-benchmarks/c/pthread-wmm/rfi007_pso.opt.i [2020-11-28 07:40:30,290 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f65523e0-bd5d-41e0-ae8e-d6722950a1c2/bin/utaipan/data/30d10790b/8492ff1107f84ed0af2452098bab5512/FLAGca35dd8be [2020-11-28 07:40:30,499 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f65523e0-bd5d-41e0-ae8e-d6722950a1c2/bin/utaipan/data/30d10790b/8492ff1107f84ed0af2452098bab5512 [2020-11-28 07:40:30,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:40:30,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:40:30,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:40:30,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:40:30,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:40:30,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:40:30" (1/1) ... [2020-11-28 07:40:30,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c9598ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:30, skipping insertion in model container [2020-11-28 07:40:30,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:40:30" (1/1) ... [2020-11-28 07:40:30,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:40:30,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:40:31,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:40:31,033 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:40:31,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:40:31,205 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:40:31,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:31 WrapperNode [2020-11-28 07:40:31,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:40:31,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:40:31,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:40:31,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:40:31,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:31" (1/1) ... [2020-11-28 07:40:31,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:31" (1/1) ... [2020-11-28 07:40:31,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:40:31,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:40:31,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:40:31,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:40:31,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:31" (1/1) ... [2020-11-28 07:40:31,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:31" (1/1) ... [2020-11-28 07:40:31,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:31" (1/1) ... [2020-11-28 07:40:31,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:31" (1/1) ... [2020-11-28 07:40:31,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:31" (1/1) ... [2020-11-28 07:40:31,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:31" (1/1) ... [2020-11-28 07:40:31,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:31" (1/1) ... [2020-11-28 07:40:31,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:40:31,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:40:31,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:40:31,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:40:31,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f65523e0-bd5d-41e0-ae8e-d6722950a1c2/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:40:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 07:40:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-28 07:40:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:40:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 07:40:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-28 07:40:31,450 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-28 07:40:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-28 07:40:31,450 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-28 07:40:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:40:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-28 07:40:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:40:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:40:31,452 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-28 07:40:34,077 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:40:34,077 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-11-28 07:40:34,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:40:34 BoogieIcfgContainer [2020-11-28 07:40:34,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:40:34,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:40:34,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:40:34,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:40:34,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:40:30" (1/3) ... [2020-11-28 07:40:34,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aec9f64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:40:34, skipping insertion in model container [2020-11-28 07:40:34,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:31" (2/3) ... [2020-11-28 07:40:34,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aec9f64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:40:34, skipping insertion in model container [2020-11-28 07:40:34,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:40:34" (3/3) ... [2020-11-28 07:40:34,088 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi007_pso.opt.i [2020-11-28 07:40:34,100 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-28 07:40:34,100 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:40:34,104 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-28 07:40:34,105 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-28 07:40:34,136 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,136 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,137 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,137 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,138 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,139 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,141 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,141 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,142 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,142 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,157 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,160 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,160 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,160 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,160 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,160 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,164 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,164 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,164 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,164 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,164 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,165 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,165 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,165 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,165 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,165 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,166 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,166 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:34,167 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-28 07:40:34,180 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-28 07:40:34,217 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:40:34,217 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:40:34,217 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:40:34,217 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:40:34,217 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:40:34,217 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:40:34,217 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:40:34,218 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:40:34,236 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-28 07:40:34,238 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 86 transitions, 182 flow [2020-11-28 07:40:34,241 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 86 transitions, 182 flow [2020-11-28 07:40:34,243 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 90 places, 86 transitions, 182 flow [2020-11-28 07:40:34,293 INFO L129 PetriNetUnfolder]: 3/84 cut-off events. [2020-11-28 07:40:34,293 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-28 07:40:34,298 INFO L80 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 84 events. 3/84 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 58 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2020-11-28 07:40:34,302 INFO L116 LiptonReduction]: Number of co-enabled transitions 1120 [2020-11-28 07:40:34,634 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-28 07:40:34,635 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:34,638 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 07:40:34,638 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:34,640 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-28 07:40:34,642 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:34,997 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-11-28 07:40:35,221 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:35,222 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:35,233 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-28 07:40:35,233 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 07:40:35,236 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 07:40:35,236 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 07:40:35,239 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-28 07:40:35,239 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 07:40:35,244 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-28 07:40:35,244 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:35,247 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 07:40:35,248 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:35,251 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 07:40:35,251 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:35,340 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 07:40:35,340 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 07:40:35,343 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-28 07:40:35,344 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:35,471 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-28 07:40:35,471 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:35,472 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 07:40:35,473 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:35,474 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-28 07:40:35,474 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:35,562 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-28 07:40:35,562 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:36,004 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-11-28 07:40:36,455 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-11-28 07:40:36,601 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-11-28 07:40:36,629 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:36,630 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:36,631 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:36,631 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:36,633 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:36,633 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:36,636 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:36,636 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:36,672 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:36,673 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:36,674 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:36,674 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:36,676 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:36,677 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:36,679 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:36,679 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:36,774 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:36,774 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:36,775 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:36,776 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:36,782 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:36,783 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:36,785 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:36,786 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:36,810 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:36,811 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:36,812 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:36,812 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:36,814 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:36,815 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:36,817 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:36,818 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:37,025 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:37,025 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:37,026 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:37,026 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:37,028 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:37,029 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:37,050 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:37,050 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:37,081 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:37,081 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:37,082 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:37,082 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:37,084 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:37,085 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:37,087 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:37,087 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:37,227 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-28 07:40:37,228 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:37,468 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-28 07:40:37,469 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:37,470 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term [2020-11-28 07:40:37,470 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:37,471 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term [2020-11-28 07:40:37,471 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:37,805 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 07:40:37,805 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 07:40:37,807 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-28 07:40:37,808 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:37,906 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:37,906 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:37,908 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-28 07:40:37,909 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 07:40:37,910 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 07:40:37,910 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 07:40:37,915 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-28 07:40:37,916 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 07:40:37,917 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-28 07:40:37,918 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:37,919 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 07:40:37,920 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:37,921 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 07:40:37,922 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:37,980 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:37,980 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:37,981 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:37,981 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:37,983 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:37,984 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:37,986 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:37,987 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:38,010 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:38,010 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,011 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,012 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,013 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,014 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:38,015 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:38,016 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:38,076 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,077 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,077 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,078 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,079 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,080 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:38,081 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:38,082 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:38,103 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,103 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,104 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,104 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,106 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,106 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:38,108 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:38,108 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:38,389 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,390 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,390 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,391 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,392 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,392 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:38,394 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:38,394 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:38,407 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:38,407 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,408 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,408 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,409 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,410 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:38,411 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:38,411 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:38,545 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2020-11-28 07:40:38,618 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,618 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,619 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,619 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,621 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,621 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:38,623 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:38,623 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:38,657 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,658 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,658 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,659 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,660 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,660 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:38,662 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:38,662 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:38,685 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:38,685 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,686 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,686 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,687 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,687 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:38,688 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:38,688 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:38,701 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:38,702 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,702 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,703 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,704 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,704 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:38,706 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:38,706 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:38,935 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:38,935 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,936 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,936 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,937 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,938 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:38,939 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:38,939 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:38,954 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:38,955 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,956 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,956 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:38,957 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:38,958 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:38,959 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 07:40:38,960 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:40:39,131 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-28 07:40:39,235 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-28 07:40:39,402 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 07:40:39,402 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 07:40:39,404 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-28 07:40:39,405 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:39,459 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:39,460 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:39,468 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-28 07:40:39,468 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 07:40:39,469 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 07:40:39,470 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 07:40:39,471 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-28 07:40:39,471 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 07:40:39,472 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-28 07:40:39,473 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:39,473 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 07:40:39,474 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:39,475 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 07:40:39,475 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:39,898 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-11-28 07:40:40,055 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-11-28 07:40:40,068 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 07:40:40,068 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:40,088 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-28 07:40:40,088 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 07:40:40,089 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 07:40:40,089 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 07:40:40,090 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-28 07:40:40,091 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 07:40:40,092 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-28 07:40:40,093 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:40,094 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 07:40:40,094 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:40,096 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 07:40:40,096 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:40:40,169 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 07:40:40,170 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 07:40:40,172 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-28 07:40:40,172 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:40:40,318 INFO L131 LiptonReduction]: Checked pairs total: 3575 [2020-11-28 07:40:40,318 INFO L133 LiptonReduction]: Total number of compositions: 85 [2020-11-28 07:40:40,323 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 21 transitions, 52 flow [2020-11-28 07:40:40,341 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 194 states. [2020-11-28 07:40:40,343 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states. [2020-11-28 07:40:40,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 07:40:40,348 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:40:40,348 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-28 07:40:40,349 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:40:40,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:40:40,354 INFO L82 PathProgramCache]: Analyzing trace with hash 953712, now seen corresponding path program 1 times [2020-11-28 07:40:40,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:40:40,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807922400] [2020-11-28 07:40:40,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:40:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:40:40,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:40:40,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807922400] [2020-11-28 07:40:40,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:40:40,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-28 07:40:40,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654476180] [2020-11-28 07:40:40,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:40:40,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:40:40,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:40:40,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:40:40,642 INFO L87 Difference]: Start difference. First operand 194 states. Second operand 3 states. [2020-11-28 07:40:40,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:40:40,715 INFO L93 Difference]: Finished difference Result 162 states and 385 transitions. [2020-11-28 07:40:40,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:40:40,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-28 07:40:40,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:40:40,737 INFO L225 Difference]: With dead ends: 162 [2020-11-28 07:40:40,738 INFO L226 Difference]: Without dead ends: 132 [2020-11-28 07:40:40,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:40:40,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-11-28 07:40:40,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2020-11-28 07:40:40,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-11-28 07:40:40,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 306 transitions. [2020-11-28 07:40:40,818 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 306 transitions. Word has length 3 [2020-11-28 07:40:40,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:40:40,818 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 306 transitions. [2020-11-28 07:40:40,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:40:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 306 transitions. [2020-11-28 07:40:40,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 07:40:40,820 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:40:40,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:40:40,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 07:40:40,820 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:40:40,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:40:40,825 INFO L82 PathProgramCache]: Analyzing trace with hash 362410442, now seen corresponding path program 1 times [2020-11-28 07:40:40,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:40:40,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849077185] [2020-11-28 07:40:40,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:40:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:40:40,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:40:40,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849077185] [2020-11-28 07:40:40,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:40:40,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-28 07:40:40,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109309737] [2020-11-28 07:40:40,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:40:40,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:40:40,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:40:40,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:40:40,958 INFO L87 Difference]: Start difference. First operand 132 states and 306 transitions. Second operand 3 states. [2020-11-28 07:40:40,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:40:40,977 INFO L93 Difference]: Finished difference Result 130 states and 300 transitions. [2020-11-28 07:40:40,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:40:40,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-11-28 07:40:40,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:40:40,984 INFO L225 Difference]: With dead ends: 130 [2020-11-28 07:40:40,984 INFO L226 Difference]: Without dead ends: 130 [2020-11-28 07:40:40,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:40:40,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-11-28 07:40:40,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-11-28 07:40:40,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-11-28 07:40:41,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 300 transitions. [2020-11-28 07:40:41,000 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 300 transitions. Word has length 7 [2020-11-28 07:40:41,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:40:41,000 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 300 transitions. [2020-11-28 07:40:41,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:40:41,001 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 300 transitions. [2020-11-28 07:40:41,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 07:40:41,002 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:40:41,002 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:40:41,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 07:40:41,002 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:40:41,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:40:41,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1650210151, now seen corresponding path program 1 times [2020-11-28 07:40:41,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:40:41,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234849753] [2020-11-28 07:40:41,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:40:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:40:41,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:40:41,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234849753] [2020-11-28 07:40:41,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:40:41,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-28 07:40:41,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15474407] [2020-11-28 07:40:41,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:40:41,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:40:41,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:40:41,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:40:41,102 INFO L87 Difference]: Start difference. First operand 130 states and 300 transitions. Second operand 3 states. [2020-11-28 07:40:41,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:40:41,112 INFO L93 Difference]: Finished difference Result 122 states and 278 transitions. [2020-11-28 07:40:41,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:40:41,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-28 07:40:41,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:40:41,117 INFO L225 Difference]: With dead ends: 122 [2020-11-28 07:40:41,118 INFO L226 Difference]: Without dead ends: 122 [2020-11-28 07:40:41,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:40:41,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-11-28 07:40:41,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-11-28 07:40:41,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-11-28 07:40:41,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 278 transitions. [2020-11-28 07:40:41,129 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 278 transitions. Word has length 8 [2020-11-28 07:40:41,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:40:41,129 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 278 transitions. [2020-11-28 07:40:41,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:40:41,129 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 278 transitions. [2020-11-28 07:40:41,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 07:40:41,130 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:40:41,130 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:40:41,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 07:40:41,130 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:40:41,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:40:41,131 INFO L82 PathProgramCache]: Analyzing trace with hash 383091255, now seen corresponding path program 1 times [2020-11-28 07:40:41,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:40:41,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263722993] [2020-11-28 07:40:41,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:40:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:40:41,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:40:41,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263722993] [2020-11-28 07:40:41,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:40:41,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 07:40:41,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995049084] [2020-11-28 07:40:41,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:40:41,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:40:41,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:40:41,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:40:41,304 INFO L87 Difference]: Start difference. First operand 122 states and 278 transitions. Second operand 4 states. [2020-11-28 07:40:41,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:40:41,352 INFO L93 Difference]: Finished difference Result 100 states and 191 transitions. [2020-11-28 07:40:41,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:40:41,356 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-28 07:40:41,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:40:41,356 INFO L225 Difference]: With dead ends: 100 [2020-11-28 07:40:41,357 INFO L226 Difference]: Without dead ends: 70 [2020-11-28 07:40:41,357 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 07:40:41,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-11-28 07:40:41,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-11-28 07:40:41,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-11-28 07:40:41,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 122 transitions. [2020-11-28 07:40:41,361 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 122 transitions. Word has length 9 [2020-11-28 07:40:41,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:40:41,362 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 122 transitions. [2020-11-28 07:40:41,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:40:41,362 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 122 transitions. [2020-11-28 07:40:41,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 07:40:41,363 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:40:41,363 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:40:41,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 07:40:41,363 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:40:41,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:40:41,364 INFO L82 PathProgramCache]: Analyzing trace with hash 721525762, now seen corresponding path program 1 times [2020-11-28 07:40:41,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:40:41,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253816660] [2020-11-28 07:40:41,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:40:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:40:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:40:41,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253816660] [2020-11-28 07:40:41,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:40:41,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 07:40:41,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456526745] [2020-11-28 07:40:41,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:40:41,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:40:41,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:40:41,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 07:40:41,602 INFO L87 Difference]: Start difference. First operand 70 states and 122 transitions. Second operand 5 states. [2020-11-28 07:40:41,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:40:41,642 INFO L93 Difference]: Finished difference Result 55 states and 90 transitions. [2020-11-28 07:40:41,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 07:40:41,642 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-11-28 07:40:41,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:40:41,643 INFO L225 Difference]: With dead ends: 55 [2020-11-28 07:40:41,643 INFO L226 Difference]: Without dead ends: 45 [2020-11-28 07:40:41,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 07:40:41,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-11-28 07:40:41,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-11-28 07:40:41,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-11-28 07:40:41,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 72 transitions. [2020-11-28 07:40:41,646 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 72 transitions. Word has length 12 [2020-11-28 07:40:41,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:40:41,646 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 72 transitions. [2020-11-28 07:40:41,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:40:41,646 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2020-11-28 07:40:41,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 07:40:41,647 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:40:41,647 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:40:41,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 07:40:41,647 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:40:41,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:40:41,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1500000036, now seen corresponding path program 1 times [2020-11-28 07:40:41,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:40:41,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516009115] [2020-11-28 07:40:41,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:40:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:40:41,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:40:41,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516009115] [2020-11-28 07:40:41,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:40:41,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 07:40:41,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844374333] [2020-11-28 07:40:41,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:40:41,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:40:41,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:40:41,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 07:40:41,765 INFO L87 Difference]: Start difference. First operand 45 states and 72 transitions. Second operand 5 states. [2020-11-28 07:40:41,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:40:41,873 INFO L93 Difference]: Finished difference Result 66 states and 100 transitions. [2020-11-28 07:40:41,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 07:40:41,874 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-11-28 07:40:41,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:40:41,874 INFO L225 Difference]: With dead ends: 66 [2020-11-28 07:40:41,874 INFO L226 Difference]: Without dead ends: 48 [2020-11-28 07:40:41,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 07:40:41,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-11-28 07:40:41,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 35. [2020-11-28 07:40:41,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 07:40:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 52 transitions. [2020-11-28 07:40:41,879 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 52 transitions. Word has length 16 [2020-11-28 07:40:41,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:40:41,879 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 52 transitions. [2020-11-28 07:40:41,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:40:41,879 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2020-11-28 07:40:41,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 07:40:41,880 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:40:41,880 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:40:41,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 07:40:41,880 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:40:41,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:40:41,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1871859492, now seen corresponding path program 2 times [2020-11-28 07:40:41,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:40:41,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955272017] [2020-11-28 07:40:41,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:40:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:40:42,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:40:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:40:42,071 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:40:42,120 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-28 07:40:42,120 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 07:40:42,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 07:40:42,121 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-11-28 07:40:42,135 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [919] [919] L817-->L824: Formula: (let ((.cse6 (= (mod ~x$w_buff1_used~0_In1050019705 256) 0)) (.cse7 (= (mod ~x$r_buff1_thd0~0_In1050019705 256) 0)) (.cse8 (= (mod ~x$w_buff0_used~0_In1050019705 256) 0)) (.cse9 (= (mod ~x$r_buff0_thd0~0_In1050019705 256) 0))) (let ((.cse3 (or .cse8 .cse9)) (.cse4 (not .cse9)) (.cse5 (not .cse8)) (.cse1 (not .cse7)) (.cse2 (not .cse6)) (.cse0 (or .cse6 .cse7))) (and (= ~x$r_buff1_thd0~0_In1050019705 ~x$r_buff1_thd0~0_Out1050019705) (or (and (or (and (= ~x~0_In1050019705 ~x~0_Out1050019705) .cse0) (and (= ~x$w_buff1~0_In1050019705 ~x~0_Out1050019705) .cse1 .cse2)) .cse3) (and (= ~x$w_buff0~0_In1050019705 ~x~0_Out1050019705) .cse4 .cse5)) (or (and .cse3 (= ~x$w_buff0_used~0_Out1050019705 ~x$w_buff0_used~0_In1050019705)) (and .cse4 .cse5 (= ~x$w_buff0_used~0_Out1050019705 0))) (= ~x$r_buff0_thd0~0_Out1050019705 ~x$r_buff0_thd0~0_In1050019705) (= ULTIMATE.start_assume_abort_if_not_~cond_Out1050019705 |ULTIMATE.start_assume_abort_if_not_#in~cond_In1050019705|) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out1050019705 0)) (or (and .cse1 .cse2 (= ~x$w_buff1_used~0_Out1050019705 0)) (and .cse0 (= ~x$w_buff1_used~0_In1050019705 ~x$w_buff1_used~0_Out1050019705)))))) InVars {~x$w_buff0~0=~x$w_buff0~0_In1050019705, ~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In1050019705, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1050019705|, ~x$w_buff1~0=~x$w_buff1~0_In1050019705, ~x$w_buff1_used~0=~x$w_buff1_used~0_In1050019705, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In1050019705, ~x~0=~x~0_In1050019705, ~x$w_buff0_used~0=~x$w_buff0_used~0_In1050019705} OutVars{~x$w_buff0~0=~x$w_buff0~0_In1050019705, ~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_Out1050019705, ~x$w_buff1~0=~x$w_buff1~0_In1050019705, ULTIMATE.start_main_#t~ite47=|ULTIMATE.start_main_#t~ite47_Out1050019705|, ~x$w_buff1_used~0=~x$w_buff1_used~0_Out1050019705, ULTIMATE.start_main_#t~ite46=|ULTIMATE.start_main_#t~ite46_Out1050019705|, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_Out1050019705, ULTIMATE.start_main_#t~ite43=|ULTIMATE.start_main_#t~ite43_Out1050019705|, ULTIMATE.start_main_#t~ite42=|ULTIMATE.start_main_#t~ite42_Out1050019705|, ULTIMATE.start_main_#t~ite45=|ULTIMATE.start_main_#t~ite45_Out1050019705|, ~x$w_buff0_used~0=~x$w_buff0_used~0_Out1050019705, ULTIMATE.start_main_#t~ite44=|ULTIMATE.start_main_#t~ite44_Out1050019705|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1050019705|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out1050019705, ~x~0=~x~0_Out1050019705} AuxVars[] AssignedVars[~x$r_buff0_thd0~0, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~ite47, ~x$w_buff1_used~0, ULTIMATE.start_main_#t~ite46, ~x$r_buff1_thd0~0, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite42, ~x~0, ULTIMATE.start_main_#t~ite45, ~x$w_buff0_used~0, ULTIMATE.start_main_#t~ite44] because there is no mapped edge [2020-11-28 07:40:42,139 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,139 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [737] [2020-11-28 07:40:42,144 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,145 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,145 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,145 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,145 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,145 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,147 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,147 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,147 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,148 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,148 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,148 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,148 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,148 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,149 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,149 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,149 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,149 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,150 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,150 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,150 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,150 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,151 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,151 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,151 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,152 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,152 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,152 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,152 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,152 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,153 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,153 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,153 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,153 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,153 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,153 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,159 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,159 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,159 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,159 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,159 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,160 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,160 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,160 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,160 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,160 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:40:42 BasicIcfg [2020-11-28 07:40:42,232 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:40:42,233 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:40:42,233 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:40:42,233 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:40:42,234 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:40:34" (3/4) ... [2020-11-28 07:40:42,236 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 07:40:42,244 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [919] [919] L817-->L824: Formula: (let ((.cse6 (= (mod ~x$w_buff1_used~0_In1050019705 256) 0)) (.cse7 (= (mod ~x$r_buff1_thd0~0_In1050019705 256) 0)) (.cse8 (= (mod ~x$w_buff0_used~0_In1050019705 256) 0)) (.cse9 (= (mod ~x$r_buff0_thd0~0_In1050019705 256) 0))) (let ((.cse3 (or .cse8 .cse9)) (.cse4 (not .cse9)) (.cse5 (not .cse8)) (.cse1 (not .cse7)) (.cse2 (not .cse6)) (.cse0 (or .cse6 .cse7))) (and (= ~x$r_buff1_thd0~0_In1050019705 ~x$r_buff1_thd0~0_Out1050019705) (or (and (or (and (= ~x~0_In1050019705 ~x~0_Out1050019705) .cse0) (and (= ~x$w_buff1~0_In1050019705 ~x~0_Out1050019705) .cse1 .cse2)) .cse3) (and (= ~x$w_buff0~0_In1050019705 ~x~0_Out1050019705) .cse4 .cse5)) (or (and .cse3 (= ~x$w_buff0_used~0_Out1050019705 ~x$w_buff0_used~0_In1050019705)) (and .cse4 .cse5 (= ~x$w_buff0_used~0_Out1050019705 0))) (= ~x$r_buff0_thd0~0_Out1050019705 ~x$r_buff0_thd0~0_In1050019705) (= ULTIMATE.start_assume_abort_if_not_~cond_Out1050019705 |ULTIMATE.start_assume_abort_if_not_#in~cond_In1050019705|) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out1050019705 0)) (or (and .cse1 .cse2 (= ~x$w_buff1_used~0_Out1050019705 0)) (and .cse0 (= ~x$w_buff1_used~0_In1050019705 ~x$w_buff1_used~0_Out1050019705)))))) InVars {~x$w_buff0~0=~x$w_buff0~0_In1050019705, ~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In1050019705, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1050019705|, ~x$w_buff1~0=~x$w_buff1~0_In1050019705, ~x$w_buff1_used~0=~x$w_buff1_used~0_In1050019705, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In1050019705, ~x~0=~x~0_In1050019705, ~x$w_buff0_used~0=~x$w_buff0_used~0_In1050019705} OutVars{~x$w_buff0~0=~x$w_buff0~0_In1050019705, ~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_Out1050019705, ~x$w_buff1~0=~x$w_buff1~0_In1050019705, ULTIMATE.start_main_#t~ite47=|ULTIMATE.start_main_#t~ite47_Out1050019705|, ~x$w_buff1_used~0=~x$w_buff1_used~0_Out1050019705, ULTIMATE.start_main_#t~ite46=|ULTIMATE.start_main_#t~ite46_Out1050019705|, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_Out1050019705, ULTIMATE.start_main_#t~ite43=|ULTIMATE.start_main_#t~ite43_Out1050019705|, ULTIMATE.start_main_#t~ite42=|ULTIMATE.start_main_#t~ite42_Out1050019705|, ULTIMATE.start_main_#t~ite45=|ULTIMATE.start_main_#t~ite45_Out1050019705|, ~x$w_buff0_used~0=~x$w_buff0_used~0_Out1050019705, ULTIMATE.start_main_#t~ite44=|ULTIMATE.start_main_#t~ite44_Out1050019705|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1050019705|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out1050019705, ~x~0=~x~0_Out1050019705} AuxVars[] AssignedVars[~x$r_buff0_thd0~0, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~ite47, ~x$w_buff1_used~0, ULTIMATE.start_main_#t~ite46, ~x$r_buff1_thd0~0, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite42, ~x~0, ULTIMATE.start_main_#t~ite45, ~x$w_buff0_used~0, ULTIMATE.start_main_#t~ite44] because there is no mapped edge [2020-11-28 07:40:42,245 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,246 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [737] [2020-11-28 07:40:42,246 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,246 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,247 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,247 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,247 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,247 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,247 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,247 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,247 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,248 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,248 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,248 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,248 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,248 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,248 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,249 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,249 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,249 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,249 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,249 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,249 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,249 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,250 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,250 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,250 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,250 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,250 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,250 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,250 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,251 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,251 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,251 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,251 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,251 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,251 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,251 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,252 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,252 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,252 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,252 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,252 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,252 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,253 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,253 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,253 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 07:40:42,253 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 07:40:42,366 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f65523e0-bd5d-41e0-ae8e-d6722950a1c2/bin/utaipan/witness.graphml [2020-11-28 07:40:42,366 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:40:42,367 INFO L168 Benchmark]: Toolchain (without parser) took 11861.01 ms. Allocated memory was 90.2 MB in the beginning and 239.1 MB in the end (delta: 148.9 MB). Free memory was 60.6 MB in the beginning and 167.5 MB in the end (delta: -106.9 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:42,368 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 90.2 MB. Free memory is still 48.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:40:42,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.16 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 60.4 MB in the beginning and 77.7 MB in the end (delta: -17.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:42,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.62 ms. Allocated memory is still 123.7 MB. Free memory was 77.7 MB in the beginning and 75.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:42,370 INFO L168 Benchmark]: Boogie Preprocessor took 82.71 ms. Allocated memory is still 123.7 MB. Free memory was 75.3 MB in the beginning and 73.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:42,370 INFO L168 Benchmark]: RCFGBuilder took 2693.90 ms. Allocated memory was 123.7 MB in the beginning and 163.6 MB in the end (delta: 39.8 MB). Free memory was 73.2 MB in the beginning and 109.4 MB in the end (delta: -36.3 MB). Peak memory consumption was 40.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:42,372 INFO L168 Benchmark]: TraceAbstraction took 8151.15 ms. Allocated memory was 163.6 MB in the beginning and 239.1 MB in the end (delta: 75.5 MB). Free memory was 109.4 MB in the beginning and 180.1 MB in the end (delta: -70.7 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:42,373 INFO L168 Benchmark]: Witness Printer took 133.17 ms. Allocated memory is still 239.1 MB. Free memory was 180.1 MB in the beginning and 167.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:42,379 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 90.2 MB. Free memory is still 48.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 697.16 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 60.4 MB in the beginning and 77.7 MB in the end (delta: -17.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.62 ms. Allocated memory is still 123.7 MB. Free memory was 77.7 MB in the beginning and 75.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.71 ms. Allocated memory is still 123.7 MB. Free memory was 75.3 MB in the beginning and 73.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2693.90 ms. Allocated memory was 123.7 MB in the beginning and 163.6 MB in the end (delta: 39.8 MB). Free memory was 73.2 MB in the beginning and 109.4 MB in the end (delta: -36.3 MB). Peak memory consumption was 40.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8151.15 ms. Allocated memory was 163.6 MB in the beginning and 239.1 MB in the end (delta: 75.5 MB). Free memory was 109.4 MB in the beginning and 180.1 MB in the end (delta: -70.7 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. * Witness Printer took 133.17 ms. Allocated memory is still 239.1 MB. Free memory was 180.1 MB in the beginning and 167.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 803 VarBasedMoverChecksPositive, 71 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 54 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 2.4s, 102 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.0s, 90 PlacesBefore, 27 PlacesAfterwards, 86 TransitionsBefore, 21 TransitionsAfterwards, 1120 CoEnabledTransitionPairs, 8 FixpointIterations, 33 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 2 ChoiceCompositions, 85 TotalNumberOfCompositions, 3575 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L712] 0 int __unbuffered_p1_EBX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L717] 0 _Bool x$flush_delayed; [L718] 0 int x$mem_tmp; [L719] 0 _Bool x$r_buff0_thd0; [L720] 0 _Bool x$r_buff0_thd1; [L721] 0 _Bool x$r_buff0_thd2; [L722] 0 _Bool x$r_buff1_thd0; [L723] 0 _Bool x$r_buff1_thd1; [L724] 0 _Bool x$r_buff1_thd2; [L725] 0 _Bool x$read_delayed; [L726] 0 int *x$read_delayed_var; [L727] 0 int x$w_buff0; [L728] 0 _Bool x$w_buff0_used; [L729] 0 int x$w_buff1; [L730] 0 _Bool x$w_buff1_used; [L732] 0 int y = 0; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L810] 0 pthread_t t1711; [L811] FCALL, FORK 0 pthread_create(&t1711, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=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] [L738] 1 x$w_buff1 = x$w_buff0 [L739] 1 x$w_buff0 = 1 [L740] 1 x$w_buff1_used = x$w_buff0_used [L741] 1 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L743] 1 x$r_buff1_thd0 = x$r_buff0_thd0 [L744] 1 x$r_buff1_thd1 = x$r_buff0_thd1 [L745] 1 x$r_buff1_thd2 = x$r_buff0_thd2 [L746] 1 x$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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=1, 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] [L812] 0 pthread_t t1712; [L813] FCALL, FORK 0 pthread_create(&t1712, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=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=1, 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] [L749] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=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=1, 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=1] [L766] 2 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, 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=1, 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=2] [L769] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, 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=1, 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=2] [L772] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L773] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L774] 2 x$flush_delayed = weak$$choice2 [L775] 2 x$mem_tmp = x [L776] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L776] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L777] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L777] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0) [L777] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L777] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L778] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L778] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L779] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L779] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L780] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L780] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L780] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L780] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L781] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L782] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L782] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L782] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L782] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 __unbuffered_p1_EBX = x [L784] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L784] 2 x = x$flush_delayed ? x$mem_tmp : x [L785] 2 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, 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=2] [L752] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L752] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L753] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L753] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L754] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L754] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L755] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L755] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L756] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L756] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L759] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L761] 1 return 0; [L788] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L788] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L789] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L789] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L790] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L790] 2 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 [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L791] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L792] 2 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 [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 2 return 0; [L815] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L826] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "rfi007_pso.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, 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=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.9s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.1s, HoareTripleCheckerStatistics: 113 SDtfs, 71 SDslu, 149 SDs, 0 SdLazy, 82 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 2316 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...