./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe024_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_3cd9581b-a732-4259-99ae-7be51bb43805/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3cd9581b-a732-4259-99ae-7be51bb43805/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3cd9581b-a732-4259-99ae-7be51bb43805/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3cd9581b-a732-4259-99ae-7be51bb43805/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe024_pso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3cd9581b-a732-4259-99ae-7be51bb43805/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3cd9581b-a732-4259-99ae-7be51bb43805/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55a75e78ae16fac70d21ab41d917cdc94e075bfc .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2020-11-29 22:36:08,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:36:08,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:36:08,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:36:08,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:36:08,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:36:08,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:36:08,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:36:08,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:36:08,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:36:08,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:36:08,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:36:08,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:36:08,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:36:08,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:36:08,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:36:08,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:36:08,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:36:08,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:36:08,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:36:08,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:36:08,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:36:08,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:36:08,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:36:08,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:36:08,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:36:08,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:36:08,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:36:08,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:36:08,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:36:08,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:36:08,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:36:08,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:36:08,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:36:08,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:36:08,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:36:08,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:36:08,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:36:08,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:36:08,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:36:08,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:36:08,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3cd9581b-a732-4259-99ae-7be51bb43805/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:36:08,972 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:36:08,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:36:08,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:36:08,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:36:08,978 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:36:08,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:36:08,978 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:36:08,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:36:08,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:36:08,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:36:08,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:36:08,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:36:08,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:36:08,981 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:36:08,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:36:08,981 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:36:08,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:36:08,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:36:08,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:36:08,982 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:36:08,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:36:08,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:36:08,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:36:08,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:36:08,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:36:08,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:36:08,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:36:08,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:36:08,984 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:36:08,984 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3cd9581b-a732-4259-99ae-7be51bb43805/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3cd9581b-a732-4259-99ae-7be51bb43805/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55a75e78ae16fac70d21ab41d917cdc94e075bfc [2020-11-29 22:36:09,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:36:09,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:36:09,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:36:09,401 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:36:09,403 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:36:09,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3cd9581b-a732-4259-99ae-7be51bb43805/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe024_pso.opt.i [2020-11-29 22:36:09,477 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3cd9581b-a732-4259-99ae-7be51bb43805/bin/uautomizer/data/2d6082485/9a2eb3912ab047a298de39a2d6274ebe/FLAGc57ba6c15 [2020-11-29 22:36:10,069 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:36:10,069 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3cd9581b-a732-4259-99ae-7be51bb43805/sv-benchmarks/c/pthread-wmm/safe024_pso.opt.i [2020-11-29 22:36:10,105 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3cd9581b-a732-4259-99ae-7be51bb43805/bin/uautomizer/data/2d6082485/9a2eb3912ab047a298de39a2d6274ebe/FLAGc57ba6c15 [2020-11-29 22:36:10,329 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3cd9581b-a732-4259-99ae-7be51bb43805/bin/uautomizer/data/2d6082485/9a2eb3912ab047a298de39a2d6274ebe [2020-11-29 22:36:10,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:36:10,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:36:10,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:36:10,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:36:10,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:36:10,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:36:10" (1/1) ... [2020-11-29 22:36:10,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8cc0da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:10, skipping insertion in model container [2020-11-29 22:36:10,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:36:10" (1/1) ... [2020-11-29 22:36:10,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:36:10,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:36:10,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:36:10,879 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:36:10,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:36:11,110 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:36:11,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:11 WrapperNode [2020-11-29 22:36:11,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:36:11,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:36:11,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:36:11,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:36:11,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:11" (1/1) ... [2020-11-29 22:36:11,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:11" (1/1) ... [2020-11-29 22:36:11,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:36:11,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:36:11,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:36:11,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:36:11,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:11" (1/1) ... [2020-11-29 22:36:11,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:11" (1/1) ... [2020-11-29 22:36:11,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:11" (1/1) ... [2020-11-29 22:36:11,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:11" (1/1) ... [2020-11-29 22:36:11,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:11" (1/1) ... [2020-11-29 22:36:11,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:11" (1/1) ... [2020-11-29 22:36:11,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:11" (1/1) ... [2020-11-29 22:36:11,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:36:11,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:36:11,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:36:11,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:36:11,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3cd9581b-a732-4259-99ae-7be51bb43805/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:36:11,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 22:36:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-29 22:36:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:36:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 22:36:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-29 22:36:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-29 22:36:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-29 22:36:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-29 22:36:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-29 22:36:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-29 22:36:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:36:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-29 22:36:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:36:11,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:36:11,390 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-29 22:36:13,882 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:36:13,882 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-11-29 22:36:13,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:36:13 BoogieIcfgContainer [2020-11-29 22:36:13,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:36:13,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:36:13,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:36:13,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:36:13,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:36:10" (1/3) ... [2020-11-29 22:36:13,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a1e4db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:36:13, skipping insertion in model container [2020-11-29 22:36:13,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:11" (2/3) ... [2020-11-29 22:36:13,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a1e4db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:36:13, skipping insertion in model container [2020-11-29 22:36:13,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:36:13" (3/3) ... [2020-11-29 22:36:13,893 INFO L111 eAbstractionObserver]: Analyzing ICFG safe024_pso.opt.i [2020-11-29 22:36:13,907 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-29 22:36:13,907 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:36:13,911 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-29 22:36:13,912 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-29 22:36:13,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,960 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,961 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,968 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,968 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,968 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,968 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,972 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,972 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,972 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,973 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,973 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,973 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,973 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,973 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,973 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,977 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,977 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,978 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,978 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,978 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,978 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,978 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,978 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,978 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,979 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,979 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,979 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,979 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,980 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,980 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,982 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,982 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,983 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,983 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,983 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,983 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,984 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,984 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,984 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,984 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,987 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,988 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,989 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,989 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,989 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,989 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,989 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,989 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,995 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,997 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,997 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:36:13,999 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-29 22:36:14,010 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-29 22:36:14,041 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:36:14,041 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:36:14,041 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:36:14,041 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:36:14,041 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:36:14,041 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:36:14,041 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:36:14,042 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:36:14,059 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-29 22:36:14,061 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 102 transitions, 219 flow [2020-11-29 22:36:14,064 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 102 transitions, 219 flow [2020-11-29 22:36:14,066 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 109 places, 102 transitions, 219 flow [2020-11-29 22:36:14,122 INFO L129 PetriNetUnfolder]: 3/99 cut-off events. [2020-11-29 22:36:14,122 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-29 22:36:14,126 INFO L80 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 3/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2020-11-29 22:36:14,132 INFO L116 LiptonReduction]: Number of co-enabled transitions 1754 [2020-11-29 22:36:14,743 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-29 22:36:14,743 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:14,745 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term [2020-11-29 22:36:14,746 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:14,747 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term [2020-11-29 22:36:14,747 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:14,823 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:14,824 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:14,865 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-29 22:36:14,865 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-29 22:36:14,868 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-29 22:36:14,868 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-29 22:36:14,870 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-29 22:36:14,871 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-29 22:36:14,879 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-29 22:36:14,880 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:14,885 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-29 22:36:14,886 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:14,889 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-29 22:36:14,889 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:14,976 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-29 22:36:14,977 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-29 22:36:14,980 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-29 22:36:14,982 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:15,206 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:15,207 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:15,226 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-29 22:36:15,226 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-29 22:36:15,228 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-29 22:36:15,228 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-29 22:36:15,230 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-29 22:36:15,231 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-29 22:36:15,235 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-29 22:36:15,235 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:15,237 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-29 22:36:15,237 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:15,238 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-29 22:36:15,239 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:15,283 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-29 22:36:15,284 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-29 22:36:15,287 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-29 22:36:15,287 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:15,681 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-11-29 22:36:16,005 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-11-29 22:36:16,409 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:16,410 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:16,410 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:16,410 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:16,412 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:16,412 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:16,414 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:16,414 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:16,437 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:16,437 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:16,438 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:16,438 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:16,440 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:16,440 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:36:16,442 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:16,442 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:36:16,635 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:16,636 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:16,637 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:16,637 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:16,639 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:16,639 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:16,641 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:16,641 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:16,661 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:16,661 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:16,662 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:16,662 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:16,664 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:16,664 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:36:16,666 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:16,666 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:36:17,067 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:17,067 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:17,068 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:17,068 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:17,070 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:17,070 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:36:17,072 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:17,072 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:36:17,090 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:17,090 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:17,091 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:17,091 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:17,093 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:17,093 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:17,094 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:17,095 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:17,257 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-11-29 22:36:17,361 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-11-29 22:36:17,690 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:17,690 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:17,691 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:17,692 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:17,694 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:17,694 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:36:17,696 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:17,696 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:36:17,712 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:17,713 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:17,714 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:17,714 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:17,716 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:17,717 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:17,718 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:17,719 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:17,871 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-11-29 22:36:17,942 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:17,942 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:17,943 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:17,943 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:17,946 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:17,947 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:36:17,955 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:17,956 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:36:17,977 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:17,978 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:17,979 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:17,979 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:17,981 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:17,981 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:17,982 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:17,983 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:18,142 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:18,142 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:18,143 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:18,143 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:18,145 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:18,145 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:18,146 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:18,146 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:18,165 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:18,165 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:18,166 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:18,166 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:18,167 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:18,168 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:36:18,169 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:18,170 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:36:18,264 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-29 22:36:18,264 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:18,265 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term [2020-11-29 22:36:18,265 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:18,266 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term [2020-11-29 22:36:18,266 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:18,473 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:18,474 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:18,474 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:18,475 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:18,476 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:18,477 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:36:18,478 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:18,478 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:36:18,501 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:18,501 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:18,502 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:18,502 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:18,504 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:18,504 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:18,505 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:18,505 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:18,549 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:18,549 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:18,550 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:18,550 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:18,552 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:18,552 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:18,553 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:18,553 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:18,569 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:18,569 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:18,570 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:18,570 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:18,572 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 22:36:18,572 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:36:18,573 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-29 22:36:18,574 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:36:18,625 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-29 22:36:18,625 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:18,694 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-29 22:36:18,694 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:18,696 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term [2020-11-29 22:36:18,696 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:18,697 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term [2020-11-29 22:36:18,697 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:36:18,726 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-29 22:36:18,727 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:36:19,332 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-11-29 22:36:19,531 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-11-29 22:36:19,536 INFO L131 LiptonReduction]: Checked pairs total: 4104 [2020-11-29 22:36:19,537 INFO L133 LiptonReduction]: Total number of compositions: 89 [2020-11-29 22:36:19,544 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 27 transitions, 69 flow [2020-11-29 22:36:19,597 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 778 states. [2020-11-29 22:36:19,600 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states. [2020-11-29 22:36:19,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 22:36:19,605 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:19,605 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-29 22:36:19,606 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:19,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:19,612 INFO L82 PathProgramCache]: Analyzing trace with hash 962057810, now seen corresponding path program 1 times [2020-11-29 22:36:19,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:19,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734479215] [2020-11-29 22:36:19,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:19,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:36:19,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734479215] [2020-11-29 22:36:19,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:19,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-29 22:36:19,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008598047] [2020-11-29 22:36:19,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:36:19,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:36:19,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:36:19,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:36:19,895 INFO L87 Difference]: Start difference. First operand 778 states. Second operand 3 states. [2020-11-29 22:36:19,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:19,985 INFO L93 Difference]: Finished difference Result 650 states and 2028 transitions. [2020-11-29 22:36:19,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:36:19,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-29 22:36:19,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:20,023 INFO L225 Difference]: With dead ends: 650 [2020-11-29 22:36:20,024 INFO L226 Difference]: Without dead ends: 550 [2020-11-29 22:36:20,025 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 [2020-11-29 22:36:20,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2020-11-29 22:36:20,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550. [2020-11-29 22:36:20,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2020-11-29 22:36:20,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 1693 transitions. [2020-11-29 22:36:20,163 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 1693 transitions. Word has length 5 [2020-11-29 22:36:20,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:20,164 INFO L481 AbstractCegarLoop]: Abstraction has 550 states and 1693 transitions. [2020-11-29 22:36:20,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:36:20,164 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1693 transitions. [2020-11-29 22:36:20,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 22:36:20,169 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:20,169 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:36:20,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 22:36:20,169 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:20,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:20,174 INFO L82 PathProgramCache]: Analyzing trace with hash 485982997, now seen corresponding path program 1 times [2020-11-29 22:36:20,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:20,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034321286] [2020-11-29 22:36:20,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:20,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:36:20,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034321286] [2020-11-29 22:36:20,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:20,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:36:20,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718201418] [2020-11-29 22:36:20,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 22:36:20,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:36:20,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 22:36:20,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 22:36:20,369 INFO L87 Difference]: Start difference. First operand 550 states and 1693 transitions. Second operand 4 states. [2020-11-29 22:36:20,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:20,407 INFO L93 Difference]: Finished difference Result 610 states and 1806 transitions. [2020-11-29 22:36:20,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:36:20,410 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-11-29 22:36:20,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:20,421 INFO L225 Difference]: With dead ends: 610 [2020-11-29 22:36:20,422 INFO L226 Difference]: Without dead ends: 510 [2020-11-29 22:36:20,422 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:36:20,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2020-11-29 22:36:20,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2020-11-29 22:36:20,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2020-11-29 22:36:20,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 1551 transitions. [2020-11-29 22:36:20,459 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 1551 transitions. Word has length 10 [2020-11-29 22:36:20,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:20,460 INFO L481 AbstractCegarLoop]: Abstraction has 510 states and 1551 transitions. [2020-11-29 22:36:20,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 22:36:20,460 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1551 transitions. [2020-11-29 22:36:20,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 22:36:20,470 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:20,471 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:36:20,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 22:36:20,471 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:20,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:20,472 INFO L82 PathProgramCache]: Analyzing trace with hash -2098344417, now seen corresponding path program 1 times [2020-11-29 22:36:20,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:20,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721064031] [2020-11-29 22:36:20,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:20,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:36:20,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721064031] [2020-11-29 22:36:20,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:20,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:36:20,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263868817] [2020-11-29 22:36:20,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 22:36:20,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:36:20,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:36:20,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:36:20,623 INFO L87 Difference]: Start difference. First operand 510 states and 1551 transitions. Second operand 5 states. [2020-11-29 22:36:20,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:20,688 INFO L93 Difference]: Finished difference Result 670 states and 1999 transitions. [2020-11-29 22:36:20,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 22:36:20,689 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-11-29 22:36:20,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:20,692 INFO L225 Difference]: With dead ends: 670 [2020-11-29 22:36:20,693 INFO L226 Difference]: Without dead ends: 350 [2020-11-29 22:36:20,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 22:36:20,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-11-29 22:36:20,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2020-11-29 22:36:20,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-11-29 22:36:20,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 999 transitions. [2020-11-29 22:36:20,708 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 999 transitions. Word has length 11 [2020-11-29 22:36:20,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:20,708 INFO L481 AbstractCegarLoop]: Abstraction has 350 states and 999 transitions. [2020-11-29 22:36:20,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 22:36:20,708 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 999 transitions. [2020-11-29 22:36:20,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 22:36:20,710 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:20,710 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:36:20,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 22:36:20,710 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:20,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:20,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1809653170, now seen corresponding path program 1 times [2020-11-29 22:36:20,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:20,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782591776] [2020-11-29 22:36:20,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:20,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:36:20,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782591776] [2020-11-29 22:36:20,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:20,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:36:20,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059645574] [2020-11-29 22:36:20,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 22:36:20,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:36:20,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 22:36:20,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 22:36:20,854 INFO L87 Difference]: Start difference. First operand 350 states and 999 transitions. Second operand 4 states. [2020-11-29 22:36:20,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:20,899 INFO L93 Difference]: Finished difference Result 322 states and 804 transitions. [2020-11-29 22:36:20,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 22:36:20,903 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-29 22:36:20,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:20,905 INFO L225 Difference]: With dead ends: 322 [2020-11-29 22:36:20,905 INFO L226 Difference]: Without dead ends: 254 [2020-11-29 22:36:20,906 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 [2020-11-29 22:36:20,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-11-29 22:36:20,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2020-11-29 22:36:20,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-11-29 22:36:20,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 627 transitions. [2020-11-29 22:36:20,920 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 627 transitions. Word has length 13 [2020-11-29 22:36:20,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:20,920 INFO L481 AbstractCegarLoop]: Abstraction has 254 states and 627 transitions. [2020-11-29 22:36:20,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 22:36:20,920 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 627 transitions. [2020-11-29 22:36:20,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 22:36:20,921 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:20,921 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:36:20,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 22:36:20,922 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:20,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:20,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1409984976, now seen corresponding path program 1 times [2020-11-29 22:36:20,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:20,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928385012] [2020-11-29 22:36:20,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:21,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:36:21,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928385012] [2020-11-29 22:36:21,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:21,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 22:36:21,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368094885] [2020-11-29 22:36:21,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 22:36:21,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:36:21,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:36:21,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:36:21,089 INFO L87 Difference]: Start difference. First operand 254 states and 627 transitions. Second operand 5 states. [2020-11-29 22:36:21,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:21,155 INFO L93 Difference]: Finished difference Result 194 states and 428 transitions. [2020-11-29 22:36:21,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:36:21,158 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-11-29 22:36:21,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:21,159 INFO L225 Difference]: With dead ends: 194 [2020-11-29 22:36:21,159 INFO L226 Difference]: Without dead ends: 156 [2020-11-29 22:36:21,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-29 22:36:21,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-11-29 22:36:21,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2020-11-29 22:36:21,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-11-29 22:36:21,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 337 transitions. [2020-11-29 22:36:21,165 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 337 transitions. Word has length 15 [2020-11-29 22:36:21,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:21,166 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 337 transitions. [2020-11-29 22:36:21,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 22:36:21,166 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 337 transitions. [2020-11-29 22:36:21,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 22:36:21,166 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:21,167 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:36:21,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 22:36:21,167 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:21,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:21,167 INFO L82 PathProgramCache]: Analyzing trace with hash 730563723, now seen corresponding path program 1 times [2020-11-29 22:36:21,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:21,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739518655] [2020-11-29 22:36:21,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:21,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:36:21,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739518655] [2020-11-29 22:36:21,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:21,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 22:36:21,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350600547] [2020-11-29 22:36:21,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 22:36:21,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:36:21,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 22:36:21,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:36:21,355 INFO L87 Difference]: Start difference. First operand 156 states and 337 transitions. Second operand 6 states. [2020-11-29 22:36:21,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:21,429 INFO L93 Difference]: Finished difference Result 132 states and 287 transitions. [2020-11-29 22:36:21,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 22:36:21,430 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-11-29 22:36:21,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:21,432 INFO L225 Difference]: With dead ends: 132 [2020-11-29 22:36:21,432 INFO L226 Difference]: Without dead ends: 122 [2020-11-29 22:36:21,432 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-11-29 22:36:21,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-11-29 22:36:21,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-11-29 22:36:21,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-11-29 22:36:21,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 269 transitions. [2020-11-29 22:36:21,437 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 269 transitions. Word has length 18 [2020-11-29 22:36:21,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:21,437 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 269 transitions. [2020-11-29 22:36:21,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 22:36:21,437 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 269 transitions. [2020-11-29 22:36:21,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 22:36:21,438 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:21,438 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:36:21,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 22:36:21,438 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:21,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:21,439 INFO L82 PathProgramCache]: Analyzing trace with hash -2111944185, now seen corresponding path program 1 times [2020-11-29 22:36:21,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:21,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876734378] [2020-11-29 22:36:21,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:21,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:36:21,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876734378] [2020-11-29 22:36:21,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:21,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-29 22:36:21,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651520029] [2020-11-29 22:36:21,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-29 22:36:21,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:36:21,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-29 22:36:21,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-29 22:36:21,663 INFO L87 Difference]: Start difference. First operand 122 states and 269 transitions. Second operand 10 states. [2020-11-29 22:36:21,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:21,950 INFO L93 Difference]: Finished difference Result 186 states and 383 transitions. [2020-11-29 22:36:21,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-29 22:36:21,951 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2020-11-29 22:36:21,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:21,952 INFO L225 Difference]: With dead ends: 186 [2020-11-29 22:36:21,952 INFO L226 Difference]: Without dead ends: 138 [2020-11-29 22:36:21,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2020-11-29 22:36:21,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-11-29 22:36:21,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 130. [2020-11-29 22:36:21,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-11-29 22:36:21,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 277 transitions. [2020-11-29 22:36:21,959 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 277 transitions. Word has length 21 [2020-11-29 22:36:21,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:21,959 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 277 transitions. [2020-11-29 22:36:21,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-29 22:36:21,960 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 277 transitions. [2020-11-29 22:36:21,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 22:36:21,961 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:21,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:36:21,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 22:36:21,962 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:21,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:21,962 INFO L82 PathProgramCache]: Analyzing trace with hash -609092405, now seen corresponding path program 2 times [2020-11-29 22:36:21,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:21,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980298112] [2020-11-29 22:36:21,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:22,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:36:22,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980298112] [2020-11-29 22:36:22,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:22,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 22:36:22,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726753990] [2020-11-29 22:36:22,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 22:36:22,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:36:22,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:36:22,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:36:22,112 INFO L87 Difference]: Start difference. First operand 130 states and 277 transitions. Second operand 5 states. [2020-11-29 22:36:22,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:22,151 INFO L93 Difference]: Finished difference Result 142 states and 292 transitions. [2020-11-29 22:36:22,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:36:22,152 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-11-29 22:36:22,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:22,152 INFO L225 Difference]: With dead ends: 142 [2020-11-29 22:36:22,153 INFO L226 Difference]: Without dead ends: 62 [2020-11-29 22:36:22,153 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 22:36:22,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-11-29 22:36:22,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-11-29 22:36:22,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-11-29 22:36:22,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 113 transitions. [2020-11-29 22:36:22,158 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 113 transitions. Word has length 21 [2020-11-29 22:36:22,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:22,158 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 113 transitions. [2020-11-29 22:36:22,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 22:36:22,159 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2020-11-29 22:36:22,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 22:36:22,159 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:22,159 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:36:22,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 22:36:22,160 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:22,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:22,160 INFO L82 PathProgramCache]: Analyzing trace with hash 220074437, now seen corresponding path program 3 times [2020-11-29 22:36:22,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:22,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141201450] [2020-11-29 22:36:22,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:36:22,252 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:36:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:36:22,314 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:36:22,368 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:36:22,368 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 22:36:22,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 22:36:22,392 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,392 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,392 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,392 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [775] [2020-11-29 22:36:22,394 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,394 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,394 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,394 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,394 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,395 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,395 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,395 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,395 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,395 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,396 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,396 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,396 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,396 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,396 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,396 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,397 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,397 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,397 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,397 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,397 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,397 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,397 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,397 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,398 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,398 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,398 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,398 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,398 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,398 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,398 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,398 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,399 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,399 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,404 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,404 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,404 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,404 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,405 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,405 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,405 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,405 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,405 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,406 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,406 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,406 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,406 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,406 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,406 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,406 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,406 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,407 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,407 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,407 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,407 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,407 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,407 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,407 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,407 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,407 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,407 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,408 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:36:22 BasicIcfg [2020-11-29 22:36:22,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:36:22,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:36:22,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:36:22,484 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:36:22,484 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:36:13" (3/4) ... [2020-11-29 22:36:22,486 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 22:36:22,504 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,507 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,507 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,507 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [775] [2020-11-29 22:36:22,508 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,508 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,508 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,508 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,508 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,508 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,508 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,508 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,509 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,509 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,509 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,509 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,510 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,510 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,510 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,510 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,510 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,510 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,511 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,512 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,512 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,512 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,512 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,512 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,512 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,513 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,514 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,514 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,514 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,514 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,514 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,514 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,514 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,514 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,515 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,515 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,515 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,515 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,515 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,515 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,516 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,516 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,516 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,516 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,516 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,516 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,516 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,517 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,517 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,517 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,517 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,517 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,517 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,518 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,518 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,518 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,518 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,518 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,518 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,518 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,519 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 22:36:22,519 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 22:36:22,661 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3cd9581b-a732-4259-99ae-7be51bb43805/bin/uautomizer/witness.graphml [2020-11-29 22:36:22,661 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:36:22,662 INFO L168 Benchmark]: Toolchain (without parser) took 12329.04 ms. Allocated memory was 98.6 MB in the beginning and 270.5 MB in the end (delta: 172.0 MB). Free memory was 60.4 MB in the beginning and 151.8 MB in the end (delta: -91.4 MB). Peak memory consumption was 80.0 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:22,662 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 98.6 MB. Free memory is still 78.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:36:22,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 778.30 ms. Allocated memory is still 98.6 MB. Free memory was 60.2 MB in the beginning and 50.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:22,663 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.85 ms. Allocated memory is still 98.6 MB. Free memory was 50.5 MB in the beginning and 47.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:22,663 INFO L168 Benchmark]: Boogie Preprocessor took 83.52 ms. Allocated memory is still 98.6 MB. Free memory was 47.9 MB in the beginning and 45.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:22,664 INFO L168 Benchmark]: RCFGBuilder took 2583.15 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 45.8 MB in the beginning and 68.0 MB in the end (delta: -22.2 MB). Peak memory consumption was 58.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:22,664 INFO L168 Benchmark]: TraceAbstraction took 8597.00 ms. Allocated memory was 144.7 MB in the beginning and 270.5 MB in the end (delta: 125.8 MB). Free memory was 68.0 MB in the beginning and 170.7 MB in the end (delta: -102.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:22,665 INFO L168 Benchmark]: Witness Printer took 177.61 ms. Allocated memory is still 270.5 MB. Free memory was 170.7 MB in the beginning and 151.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:22,667 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 98.6 MB. Free memory is still 78.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 778.30 ms. Allocated memory is still 98.6 MB. Free memory was 60.2 MB in the beginning and 50.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.85 ms. Allocated memory is still 98.6 MB. Free memory was 50.5 MB in the beginning and 47.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.52 ms. Allocated memory is still 98.6 MB. Free memory was 47.9 MB in the beginning and 45.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2583.15 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 45.8 MB in the beginning and 68.0 MB in the end (delta: -22.2 MB). Peak memory consumption was 58.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8597.00 ms. Allocated memory was 144.7 MB in the beginning and 270.5 MB in the end (delta: 125.8 MB). Free memory was 68.0 MB in the beginning and 170.7 MB in the end (delta: -102.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. * Witness Printer took 177.61 ms. Allocated memory is still 270.5 MB. Free memory was 170.7 MB in the beginning and 151.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1183 VarBasedMoverChecksPositive, 64 VarBasedMoverChecksNegative, 19 SemBasedMoverChecksPositive, 45 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.6s, 138 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.4s, 109 PlacesBefore, 36 PlacesAfterwards, 102 TransitionsBefore, 27 TransitionsAfterwards, 1754 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 2 ChoiceCompositions, 89 TotalNumberOfCompositions, 4104 MoverChecksTotal - CounterExampleResult [Line: 18]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p2_EBX = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L721] 0 _Bool x$flush_delayed; [L722] 0 int x$mem_tmp; [L723] 0 _Bool x$r_buff0_thd0; [L724] 0 _Bool x$r_buff0_thd1; [L725] 0 _Bool x$r_buff0_thd2; [L726] 0 _Bool x$r_buff0_thd3; [L727] 0 _Bool x$r_buff1_thd0; [L728] 0 _Bool x$r_buff1_thd1; [L729] 0 _Bool x$r_buff1_thd2; [L730] 0 _Bool x$r_buff1_thd3; [L731] 0 _Bool x$read_delayed; [L732] 0 int *x$read_delayed_var; [L733] 0 int x$w_buff0; [L734] 0 _Bool x$w_buff0_used; [L735] 0 int x$w_buff1; [L736] 0 _Bool x$w_buff1_used; [L738] 0 int y = 0; [L740] 0 int z = 0; [L741] 0 _Bool weak$$choice0; [L742] 0 _Bool weak$$choice2; [L833] 0 pthread_t t2354; [L834] FCALL, FORK 0 pthread_create(&t2354, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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, z=0] [L835] 0 pthread_t t2355; [L836] FCALL, FORK 0 pthread_create(&t2355, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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, z=0] [L837] 0 pthread_t t2356; [L838] FCALL, FORK 0 pthread_create(&t2356, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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, z=0] [L776] 2 x$w_buff1 = x$w_buff0 [L777] 2 x$w_buff0 = 1 [L778] 2 x$w_buff1_used = x$w_buff0_used [L779] 2 x$w_buff0_used = (_Bool)1 [L19] COND TRUE 2 !expression [L18] COND FALSE 2 !(0) [L18] 2 __assert_fail ("0", "safe024_pso.opt.c", 9, __extension__ __PRETTY_FUNCTION__) [L781] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L782] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L783] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L784] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L785] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$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=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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, z=0] [L788] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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, z=0] [L805] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, 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=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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, z=0] [L808] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, 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=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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, z=0] [L746] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, 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=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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, z=1] [L811] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L811] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L812] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L812] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L813] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L813] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L814] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L814] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L815] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L815] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L751] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L752] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L753] 1 x$flush_delayed = weak$$choice2 [L754] 1 x$mem_tmp = x [L755] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L755] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1 [L755] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L755] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L756] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L756] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0) [L756] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L756] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L757] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L757] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L757] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1 [L757] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L757] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L757] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L758] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L758] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L759] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L759] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0 [L759] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L759] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L760] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L760] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L761] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L761] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L761] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L761] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] 1 __unbuffered_p0_EAX = x [L763] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L763] 1 x = x$flush_delayed ? x$mem_tmp : x [L764] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L769] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L771] 1 return 0; [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L820] 3 return 0; [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L791] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L792] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L793] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L794] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L794] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L795] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L795] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L798] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L800] 2 return 0; [L840] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L4] COND FALSE 0 !(!cond) [L844] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L844] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L844] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L844] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L845] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L845] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L846] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L846] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L847] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L847] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L848] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L848] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L851] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L19] COND TRUE 0 !expression [L18] COND FALSE 0 !(0) [L18] 0 __assert_fail ("0", "safe024_pso.opt.c", 9, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 100 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.3s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.5s, HoareTripleCheckerStatistics: 207 SDtfs, 323 SDslu, 528 SDs, 0 SdLazy, 230 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=778occurred 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: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 6705 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...