./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix015_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix015_power.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 9ec2b8596b3a47081c2b673acc85cc919077767c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 22:10:52,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 22:10:52,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 22:10:52,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 22:10:52,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 22:10:52,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 22:10:52,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 22:10:52,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 22:10:52,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 22:10:52,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 22:10:52,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 22:10:52,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 22:10:52,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 22:10:52,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 22:10:52,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 22:10:52,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 22:10:52,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 22:10:52,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 22:10:52,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 22:10:52,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 22:10:52,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 22:10:52,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 22:10:52,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 22:10:52,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 22:10:52,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 22:10:52,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 22:10:52,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 22:10:52,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 22:10:52,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 22:10:52,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 22:10:52,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 22:10:52,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 22:10:52,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 22:10:52,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 22:10:52,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 22:10:52,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 22:10:52,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 22:10:52,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 22:10:52,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 22:10:52,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 22:10:52,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 22:10:52,930 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 22:10:52,963 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 22:10:52,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 22:10:52,964 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 22:10:52,964 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 22:10:52,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 22:10:52,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 22:10:52,966 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 22:10:52,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 22:10:52,966 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 22:10:52,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 22:10:52,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 22:10:52,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 22:10:52,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 22:10:52,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 22:10:52,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 22:10:52,968 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 22:10:52,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 22:10:52,968 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 22:10:52,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 22:10:52,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 22:10:52,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 22:10:52,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 22:10:52,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 22:10:52,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 22:10:52,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 22:10:52,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 22:10:52,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 22:10:52,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 22:10:52,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 22:10:52,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 22:10:52,970 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ec2b8596b3a47081c2b673acc85cc919077767c [2021-08-29 22:10:53,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 22:10:53,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 22:10:53,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 22:10:53,279 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 22:10:53,279 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 22:10:53,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix015_power.oepc.i [2021-08-29 22:10:53,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7da151892/26b6aba76350437fb8bcb74009f2cc04/FLAGb8526b305 [2021-08-29 22:10:53,685 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 22:10:53,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix015_power.oepc.i [2021-08-29 22:10:53,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7da151892/26b6aba76350437fb8bcb74009f2cc04/FLAGb8526b305 [2021-08-29 22:10:54,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7da151892/26b6aba76350437fb8bcb74009f2cc04 [2021-08-29 22:10:54,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 22:10:54,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 22:10:54,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 22:10:54,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 22:10:54,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 22:10:54,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:10:54" (1/1) ... [2021-08-29 22:10:54,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6352a66f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:10:54, skipping insertion in model container [2021-08-29 22:10:54,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:10:54" (1/1) ... [2021-08-29 22:10:54,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 22:10:54,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 22:10:54,278 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix015_power.oepc.i[951,964] [2021-08-29 22:10:54,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 22:10:54,523 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 22:10:54,539 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix015_power.oepc.i[951,964] [2021-08-29 22:10:54,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 22:10:54,645 INFO L208 MainTranslator]: Completed translation [2021-08-29 22:10:54,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:10:54 WrapperNode [2021-08-29 22:10:54,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 22:10:54,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 22:10:54,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 22:10:54,650 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 22:10:54,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:10:54" (1/1) ... [2021-08-29 22:10:54,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:10:54" (1/1) ... [2021-08-29 22:10:54,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 22:10:54,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 22:10:54,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 22:10:54,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 22:10:54,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:10:54" (1/1) ... [2021-08-29 22:10:54,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:10:54" (1/1) ... [2021-08-29 22:10:54,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:10:54" (1/1) ... [2021-08-29 22:10:54,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:10:54" (1/1) ... [2021-08-29 22:10:54,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:10:54" (1/1) ... [2021-08-29 22:10:54,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:10:54" (1/1) ... [2021-08-29 22:10:54,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:10:54" (1/1) ... [2021-08-29 22:10:54,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 22:10:54,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 22:10:54,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 22:10:54,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 22:10:54,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:10:54" (1/1) ... [2021-08-29 22:10:54,750 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 22:10:54,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 22:10:54,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 22:10:54,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 22:10:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-29 22:10:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-29 22:10:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 22:10:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-29 22:10:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-29 22:10:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-29 22:10:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-29 22:10:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-29 22:10:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-29 22:10:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-29 22:10:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 22:10:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-29 22:10:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 22:10:54,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 22:10:54,816 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-29 22:10:55,417 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 22:10:55,418 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-29 22:10:55,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:10:55 BoogieIcfgContainer [2021-08-29 22:10:55,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 22:10:55,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 22:10:55,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 22:10:55,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 22:10:55,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 10:10:54" (1/3) ... [2021-08-29 22:10:55,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b45f6ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 10:10:55, skipping insertion in model container [2021-08-29 22:10:55,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:10:54" (2/3) ... [2021-08-29 22:10:55,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b45f6ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 10:10:55, skipping insertion in model container [2021-08-29 22:10:55,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:10:55" (3/3) ... [2021-08-29 22:10:55,428 INFO L111 eAbstractionObserver]: Analyzing ICFG mix015_power.oepc.i [2021-08-29 22:10:55,432 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-29 22:10:55,432 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 22:10:55,432 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-29 22:10:55,432 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-29 22:10:55,466 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,466 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,466 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,466 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,467 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,467 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,467 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,467 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,467 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,467 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,467 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,468 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,468 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,468 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,468 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,468 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,469 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,469 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,469 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,470 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,470 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,470 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,470 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,471 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,471 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,471 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,471 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,471 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,472 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,472 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,473 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,473 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,473 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,473 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,474 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,474 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,474 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,475 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,479 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,479 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,479 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,479 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,485 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,485 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,486 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,486 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,486 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,486 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,486 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,486 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,487 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,506 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,508 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,512 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,512 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,512 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,513 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,513 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,515 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:10:55,515 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-29 22:10:55,558 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 22:10:55,572 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 22:10:55,573 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-29 22:10:55,585 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-08-29 22:10:55,594 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 114 transitions, 243 flow [2021-08-29 22:10:55,596 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 114 transitions, 243 flow [2021-08-29 22:10:55,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 114 transitions, 243 flow [2021-08-29 22:10:55,653 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-08-29 22:10:55,655 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-29 22:10:55,658 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2021-08-29 22:10:55,662 INFO L116 LiptonReduction]: Number of co-enabled transitions 2190 [2021-08-29 22:10:59,942 INFO L131 LiptonReduction]: Checked pairs total: 5993 [2021-08-29 22:10:59,942 INFO L133 LiptonReduction]: Total number of compositions: 97 [2021-08-29 22:10:59,949 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 28 transitions, 71 flow [2021-08-29 22:11:00,053 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 986 states, 983 states have (on average 3.178026449643947) internal successors, (3124), 985 states have internal predecessors, (3124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:00,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 986 states, 983 states have (on average 3.178026449643947) internal successors, (3124), 985 states have internal predecessors, (3124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:00,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-08-29 22:11:00,060 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:11:00,060 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-08-29 22:11:00,065 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:11:00,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:11:00,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1110994, now seen corresponding path program 1 times [2021-08-29 22:11:00,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:11:00,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660219462] [2021-08-29 22:11:00,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:11:00,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:11:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:11:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:11:00,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:11:00,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660219462] [2021-08-29 22:11:00,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660219462] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:11:00,225 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:11:00,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-29 22:11:00,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819844684] [2021-08-29 22:11:00,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 22:11:00,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:11:00,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 22:11:00,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 22:11:00,246 INFO L87 Difference]: Start difference. First operand has 986 states, 983 states have (on average 3.178026449643947) internal successors, (3124), 985 states have internal predecessors, (3124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:00,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:11:00,305 INFO L93 Difference]: Finished difference Result 824 states and 2577 transitions. [2021-08-29 22:11:00,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 22:11:00,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-08-29 22:11:00,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:11:00,321 INFO L225 Difference]: With dead ends: 824 [2021-08-29 22:11:00,322 INFO L226 Difference]: Without dead ends: 794 [2021-08-29 22:11:00,322 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.63ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 22:11:00,324 INFO L928 BasicCegarLoop]: 11 mSDtfsCounter, 13 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.67ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.42ms IncrementalHoareTripleChecker+Time [2021-08-29 22:11:00,325 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 21 Invalid, 28 Unknown, 0 Unchecked, 0.67ms Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 28.42ms Time] [2021-08-29 22:11:00,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2021-08-29 22:11:00,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 794. [2021-08-29 22:11:00,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 793 states have (on average 3.150063051702396) internal successors, (2498), 793 states have internal predecessors, (2498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:00,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 2498 transitions. [2021-08-29 22:11:00,404 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 2498 transitions. Word has length 3 [2021-08-29 22:11:00,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:11:00,404 INFO L470 AbstractCegarLoop]: Abstraction has 794 states and 2498 transitions. [2021-08-29 22:11:00,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:00,405 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 2498 transitions. [2021-08-29 22:11:00,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-08-29 22:11:00,406 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:11:00,406 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:11:00,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 22:11:00,406 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:11:00,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:11:00,407 INFO L82 PathProgramCache]: Analyzing trace with hash -251360531, now seen corresponding path program 1 times [2021-08-29 22:11:00,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:11:00,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56815159] [2021-08-29 22:11:00,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:11:00,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:11:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:11:00,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:11:00,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:11:00,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56815159] [2021-08-29 22:11:00,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56815159] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:11:00,485 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:11:00,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-29 22:11:00,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077681706] [2021-08-29 22:11:00,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 22:11:00,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:11:00,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 22:11:00,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 22:11:00,487 INFO L87 Difference]: Start difference. First operand 794 states and 2498 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:00,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:11:00,516 INFO L93 Difference]: Finished difference Result 786 states and 2466 transitions. [2021-08-29 22:11:00,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 22:11:00,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-08-29 22:11:00,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:11:00,521 INFO L225 Difference]: With dead ends: 786 [2021-08-29 22:11:00,522 INFO L226 Difference]: Without dead ends: 786 [2021-08-29 22:11:00,522 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.37ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 22:11:00,523 INFO L928 BasicCegarLoop]: 12 mSDtfsCounter, 3 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.38ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.99ms IncrementalHoareTripleChecker+Time [2021-08-29 22:11:00,523 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 21 Invalid, 23 Unknown, 0 Unchecked, 0.38ms Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 20.99ms Time] [2021-08-29 22:11:00,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2021-08-29 22:11:00,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 786. [2021-08-29 22:11:00,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 785 states have (on average 3.1414012738853505) internal successors, (2466), 785 states have internal predecessors, (2466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:00,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 2466 transitions. [2021-08-29 22:11:00,545 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 2466 transitions. Word has length 9 [2021-08-29 22:11:00,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:11:00,546 INFO L470 AbstractCegarLoop]: Abstraction has 786 states and 2466 transitions. [2021-08-29 22:11:00,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:00,546 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 2466 transitions. [2021-08-29 22:11:00,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-29 22:11:00,547 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:11:00,547 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:11:00,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 22:11:00,548 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:11:00,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:11:00,548 INFO L82 PathProgramCache]: Analyzing trace with hash 550807301, now seen corresponding path program 1 times [2021-08-29 22:11:00,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:11:00,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607253556] [2021-08-29 22:11:00,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:11:00,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:11:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:11:00,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:11:00,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:11:00,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607253556] [2021-08-29 22:11:00,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607253556] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:11:00,619 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:11:00,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 22:11:00,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574077195] [2021-08-29 22:11:00,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 22:11:00,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:11:00,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 22:11:00,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 22:11:00,620 INFO L87 Difference]: Start difference. First operand 786 states and 2466 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:00,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:11:00,657 INFO L93 Difference]: Finished difference Result 734 states and 2280 transitions. [2021-08-29 22:11:00,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 22:11:00,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-08-29 22:11:00,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:11:00,662 INFO L225 Difference]: With dead ends: 734 [2021-08-29 22:11:00,662 INFO L226 Difference]: Without dead ends: 734 [2021-08-29 22:11:00,662 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.31ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 22:11:00,663 INFO L928 BasicCegarLoop]: 12 mSDtfsCounter, 17 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.53ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.09ms IncrementalHoareTripleChecker+Time [2021-08-29 22:11:00,663 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 25 Invalid, 31 Unknown, 0 Unchecked, 0.53ms Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 28.09ms Time] [2021-08-29 22:11:00,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2021-08-29 22:11:00,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 734. [2021-08-29 22:11:00,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 733 states have (on average 3.110504774897681) internal successors, (2280), 733 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:00,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 2280 transitions. [2021-08-29 22:11:00,694 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 2280 transitions. Word has length 11 [2021-08-29 22:11:00,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:11:00,694 INFO L470 AbstractCegarLoop]: Abstraction has 734 states and 2280 transitions. [2021-08-29 22:11:00,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:00,695 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 2280 transitions. [2021-08-29 22:11:00,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-29 22:11:00,696 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:11:00,696 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:11:00,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 22:11:00,696 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:11:00,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:11:00,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1040804849, now seen corresponding path program 1 times [2021-08-29 22:11:00,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:11:00,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124245990] [2021-08-29 22:11:00,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:11:00,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:11:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:11:00,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:11:00,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:11:00,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124245990] [2021-08-29 22:11:00,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124245990] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:11:00,728 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:11:00,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-29 22:11:00,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503764212] [2021-08-29 22:11:00,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 22:11:00,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:11:00,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 22:11:00,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 22:11:00,729 INFO L87 Difference]: Start difference. First operand 734 states and 2280 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:00,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:11:00,761 INFO L93 Difference]: Finished difference Result 694 states and 2138 transitions. [2021-08-29 22:11:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 22:11:00,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-08-29 22:11:00,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:11:00,765 INFO L225 Difference]: With dead ends: 694 [2021-08-29 22:11:00,765 INFO L226 Difference]: Without dead ends: 694 [2021-08-29 22:11:00,766 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.30ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 22:11:00,766 INFO L928 BasicCegarLoop]: 12 mSDtfsCounter, 8 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.33ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.14ms IncrementalHoareTripleChecker+Time [2021-08-29 22:11:00,767 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 20 Invalid, 23 Unknown, 0 Unchecked, 0.33ms Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 26.14ms Time] [2021-08-29 22:11:00,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2021-08-29 22:11:00,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 694. [2021-08-29 22:11:00,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 693 states have (on average 3.085137085137085) internal successors, (2138), 693 states have internal predecessors, (2138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:00,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 2138 transitions. [2021-08-29 22:11:00,782 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 2138 transitions. Word has length 11 [2021-08-29 22:11:00,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:11:00,783 INFO L470 AbstractCegarLoop]: Abstraction has 694 states and 2138 transitions. [2021-08-29 22:11:00,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:00,783 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 2138 transitions. [2021-08-29 22:11:00,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-29 22:11:00,785 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:11:00,785 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:11:00,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 22:11:00,785 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:11:00,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:11:00,785 INFO L82 PathProgramCache]: Analyzing trace with hash 513883400, now seen corresponding path program 1 times [2021-08-29 22:11:00,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:11:00,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718208689] [2021-08-29 22:11:00,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:11:00,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:11:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:11:00,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:11:00,828 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:11:00,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718208689] [2021-08-29 22:11:00,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718208689] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:11:00,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:11:00,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 22:11:00,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198704789] [2021-08-29 22:11:00,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 22:11:00,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:11:00,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 22:11:00,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 22:11:00,830 INFO L87 Difference]: Start difference. First operand 694 states and 2138 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:00,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:11:00,902 INFO L93 Difference]: Finished difference Result 638 states and 1738 transitions. [2021-08-29 22:11:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 22:11:00,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-08-29 22:11:00,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:11:00,904 INFO L225 Difference]: With dead ends: 638 [2021-08-29 22:11:00,905 INFO L226 Difference]: Without dead ends: 458 [2021-08-29 22:11:00,905 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.87ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:11:00,905 INFO L928 BasicCegarLoop]: 12 mSDtfsCounter, 35 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.82ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.44ms IncrementalHoareTripleChecker+Time [2021-08-29 22:11:00,906 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 31 Invalid, 67 Unknown, 0 Unchecked, 0.82ms Time], IncrementalHoareTripleChecker [3 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 60.44ms Time] [2021-08-29 22:11:00,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2021-08-29 22:11:00,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2021-08-29 22:11:00,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 457 states have (on average 2.612691466083151) internal successors, (1194), 457 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:00,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 1194 transitions. [2021-08-29 22:11:00,915 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 1194 transitions. Word has length 13 [2021-08-29 22:11:00,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:11:00,915 INFO L470 AbstractCegarLoop]: Abstraction has 458 states and 1194 transitions. [2021-08-29 22:11:00,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:00,915 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1194 transitions. [2021-08-29 22:11:00,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 22:11:00,916 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:11:00,916 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:11:00,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 22:11:00,916 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:11:00,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:11:00,917 INFO L82 PathProgramCache]: Analyzing trace with hash 363172493, now seen corresponding path program 1 times [2021-08-29 22:11:00,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:11:00,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587215276] [2021-08-29 22:11:00,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:11:00,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:11:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:11:00,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:11:00,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:11:00,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587215276] [2021-08-29 22:11:00,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587215276] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:11:00,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:11:00,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 22:11:00,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096626210] [2021-08-29 22:11:00,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 22:11:00,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:11:00,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 22:11:00,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:11:00,992 INFO L87 Difference]: Start difference. First operand 458 states and 1194 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:01,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:11:01,079 INFO L93 Difference]: Finished difference Result 375 states and 914 transitions. [2021-08-29 22:11:01,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 22:11:01,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-08-29 22:11:01,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:11:01,081 INFO L225 Difference]: With dead ends: 375 [2021-08-29 22:11:01,081 INFO L226 Difference]: Without dead ends: 295 [2021-08-29 22:11:01,081 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 11.38ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-29 22:11:01,082 INFO L928 BasicCegarLoop]: 12 mSDtfsCounter, 57 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.96ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.44ms IncrementalHoareTripleChecker+Time [2021-08-29 22:11:01,082 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 41 Invalid, 93 Unknown, 0 Unchecked, 0.96ms Time], IncrementalHoareTripleChecker [6 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 76.44ms Time] [2021-08-29 22:11:01,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-08-29 22:11:01,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2021-08-29 22:11:01,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 294 states have (on average 2.3979591836734695) internal successors, (705), 294 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:01,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 705 transitions. [2021-08-29 22:11:01,088 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 705 transitions. Word has length 16 [2021-08-29 22:11:01,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:11:01,088 INFO L470 AbstractCegarLoop]: Abstraction has 295 states and 705 transitions. [2021-08-29 22:11:01,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:01,088 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 705 transitions. [2021-08-29 22:11:01,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-29 22:11:01,089 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:11:01,089 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:11:01,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 22:11:01,089 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:11:01,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:11:01,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1293857815, now seen corresponding path program 1 times [2021-08-29 22:11:01,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:11:01,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260925452] [2021-08-29 22:11:01,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:11:01,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:11:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:11:01,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:11:01,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:11:01,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260925452] [2021-08-29 22:11:01,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260925452] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:11:01,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:11:01,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 22:11:01,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161146021] [2021-08-29 22:11:01,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 22:11:01,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:11:01,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 22:11:01,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-29 22:11:01,161 INFO L87 Difference]: Start difference. First operand 295 states and 705 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:01,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:11:01,251 INFO L93 Difference]: Finished difference Result 272 states and 657 transitions. [2021-08-29 22:11:01,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 22:11:01,251 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-08-29 22:11:01,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:11:01,252 INFO L225 Difference]: With dead ends: 272 [2021-08-29 22:11:01,252 INFO L226 Difference]: Without dead ends: 257 [2021-08-29 22:11:01,253 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 12.84ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-29 22:11:01,253 INFO L928 BasicCegarLoop]: 12 mSDtfsCounter, 59 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.57ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.32ms IncrementalHoareTripleChecker+Time [2021-08-29 22:11:01,253 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 37 Invalid, 92 Unknown, 0 Unchecked, 0.57ms Time], IncrementalHoareTripleChecker [9 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 80.32ms Time] [2021-08-29 22:11:01,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2021-08-29 22:11:01,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2021-08-29 22:11:01,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 2.45703125) internal successors, (629), 256 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:01,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 629 transitions. [2021-08-29 22:11:01,257 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 629 transitions. Word has length 19 [2021-08-29 22:11:01,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:11:01,258 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 629 transitions. [2021-08-29 22:11:01,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:01,258 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 629 transitions. [2021-08-29 22:11:01,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-29 22:11:01,258 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:11:01,258 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:11:01,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 22:11:01,258 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:11:01,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:11:01,259 INFO L82 PathProgramCache]: Analyzing trace with hash -709811991, now seen corresponding path program 1 times [2021-08-29 22:11:01,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:11:01,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140304222] [2021-08-29 22:11:01,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:11:01,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:11:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:11:01,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:11:01,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:11:01,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140304222] [2021-08-29 22:11:01,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140304222] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:11:01,359 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:11:01,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 22:11:01,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607296278] [2021-08-29 22:11:01,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 22:11:01,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:11:01,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 22:11:01,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 22:11:01,360 INFO L87 Difference]: Start difference. First operand 257 states and 629 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:01,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:11:01,413 INFO L93 Difference]: Finished difference Result 355 states and 851 transitions. [2021-08-29 22:11:01,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 22:11:01,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-08-29 22:11:01,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:11:01,415 INFO L225 Difference]: With dead ends: 355 [2021-08-29 22:11:01,415 INFO L226 Difference]: Without dead ends: 299 [2021-08-29 22:11:01,415 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.83ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:11:01,415 INFO L928 BasicCegarLoop]: 20 mSDtfsCounter, 22 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.27ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.01ms IncrementalHoareTripleChecker+Time [2021-08-29 22:11:01,416 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 38 Invalid, 48 Unknown, 0 Unchecked, 0.27ms Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 45.01ms Time] [2021-08-29 22:11:01,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-08-29 22:11:01,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 230. [2021-08-29 22:11:01,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 229 states have (on average 2.393013100436681) internal successors, (548), 229 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:01,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 548 transitions. [2021-08-29 22:11:01,420 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 548 transitions. Word has length 23 [2021-08-29 22:11:01,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:11:01,420 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 548 transitions. [2021-08-29 22:11:01,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:01,420 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 548 transitions. [2021-08-29 22:11:01,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-29 22:11:01,421 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:11:01,421 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:11:01,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 22:11:01,421 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:11:01,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:11:01,421 INFO L82 PathProgramCache]: Analyzing trace with hash 475899945, now seen corresponding path program 2 times [2021-08-29 22:11:01,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:11:01,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009443357] [2021-08-29 22:11:01,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:11:01,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:11:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:11:01,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:11:01,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:11:01,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009443357] [2021-08-29 22:11:01,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009443357] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:11:01,500 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:11:01,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 22:11:01,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330323884] [2021-08-29 22:11:01,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 22:11:01,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:11:01,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 22:11:01,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 22:11:01,501 INFO L87 Difference]: Start difference. First operand 230 states and 548 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:01,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:11:01,579 INFO L93 Difference]: Finished difference Result 328 states and 770 transitions. [2021-08-29 22:11:01,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 22:11:01,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-08-29 22:11:01,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:11:01,581 INFO L225 Difference]: With dead ends: 328 [2021-08-29 22:11:01,581 INFO L226 Difference]: Without dead ends: 161 [2021-08-29 22:11:01,581 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.58ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:11:01,581 INFO L928 BasicCegarLoop]: 22 mSDtfsCounter, 20 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.25ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.92ms IncrementalHoareTripleChecker+Time [2021-08-29 22:11:01,582 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 45 Invalid, 50 Unknown, 0 Unchecked, 0.25ms Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 59.92ms Time] [2021-08-29 22:11:01,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-08-29 22:11:01,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2021-08-29 22:11:01,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 2.20625) internal successors, (353), 160 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:01,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 353 transitions. [2021-08-29 22:11:01,585 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 353 transitions. Word has length 23 [2021-08-29 22:11:01,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:11:01,585 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 353 transitions. [2021-08-29 22:11:01,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:01,585 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 353 transitions. [2021-08-29 22:11:01,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-29 22:11:01,586 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:11:01,586 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:11:01,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 22:11:01,586 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:11:01,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:11:01,587 INFO L82 PathProgramCache]: Analyzing trace with hash -8590615, now seen corresponding path program 3 times [2021-08-29 22:11:01,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:11:01,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442398164] [2021-08-29 22:11:01,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:11:01,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:11:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:11:01,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:11:01,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:11:01,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442398164] [2021-08-29 22:11:01,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442398164] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:11:01,626 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:11:01,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 22:11:01,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964587060] [2021-08-29 22:11:01,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 22:11:01,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:11:01,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 22:11:01,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 22:11:01,628 INFO L87 Difference]: Start difference. First operand 161 states and 353 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:01,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:11:01,683 INFO L93 Difference]: Finished difference Result 208 states and 451 transitions. [2021-08-29 22:11:01,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 22:11:01,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-08-29 22:11:01,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:11:01,684 INFO L225 Difference]: With dead ends: 208 [2021-08-29 22:11:01,684 INFO L226 Difference]: Without dead ends: 116 [2021-08-29 22:11:01,684 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.81ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:11:01,684 INFO L928 BasicCegarLoop]: 19 mSDtfsCounter, 16 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.20ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.82ms IncrementalHoareTripleChecker+Time [2021-08-29 22:11:01,685 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 41 Invalid, 43 Unknown, 0 Unchecked, 0.20ms Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 48.82ms Time] [2021-08-29 22:11:01,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-08-29 22:11:01,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-08-29 22:11:01,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 2.1130434782608694) internal successors, (243), 115 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:01,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 243 transitions. [2021-08-29 22:11:01,688 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 243 transitions. Word has length 23 [2021-08-29 22:11:01,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:11:01,688 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 243 transitions. [2021-08-29 22:11:01,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:11:01,688 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 243 transitions. [2021-08-29 22:11:01,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-29 22:11:01,689 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:11:01,689 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:11:01,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 22:11:01,689 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:11:01,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:11:01,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1179073787, now seen corresponding path program 4 times [2021-08-29 22:11:01,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:11:01,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462389507] [2021-08-29 22:11:01,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:11:01,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:11:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 22:11:01,734 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-29 22:11:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 22:11:01,801 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-29 22:11:01,802 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-29 22:11:01,802 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-08-29 22:11:01,803 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-08-29 22:11:01,804 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2021-08-29 22:11:01,804 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2021-08-29 22:11:01,804 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2021-08-29 22:11:01,804 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-08-29 22:11:01,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 22:11:01,808 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-29 22:11:01,808 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 22:11:01,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 10:11:01 BasicIcfg [2021-08-29 22:11:01,871 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 22:11:01,871 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 22:11:01,871 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 22:11:01,871 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 22:11:01,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:10:55" (3/4) ... [2021-08-29 22:11:01,873 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-29 22:11:01,929 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 22:11:01,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 22:11:01,930 INFO L158 Benchmark]: Toolchain (without parser) took 7857.41ms. Allocated memory was 48.2MB in the beginning and 138.4MB in the end (delta: 90.2MB). Free memory was 24.4MB in the beginning and 47.6MB in the end (delta: -23.2MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2021-08-29 22:11:01,930 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory is still 30.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 22:11:01,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.01ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 24.3MB in the beginning and 30.2MB in the end (delta: -6.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-08-29 22:11:01,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.23ms. Allocated memory is still 58.7MB. Free memory was 30.1MB in the beginning and 39.9MB in the end (delta: -9.8MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-08-29 22:11:01,930 INFO L158 Benchmark]: Boogie Preprocessor took 34.42ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 37.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 22:11:01,931 INFO L158 Benchmark]: RCFGBuilder took 677.03ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 37.6MB in the beginning and 45.8MB in the end (delta: -8.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2021-08-29 22:11:01,931 INFO L158 Benchmark]: TraceAbstraction took 6449.70ms. Allocated memory was 71.3MB in the beginning and 138.4MB in the end (delta: 67.1MB). Free memory was 45.2MB in the beginning and 67.5MB in the end (delta: -22.4MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2021-08-29 22:11:01,931 INFO L158 Benchmark]: Witness Printer took 58.36ms. Allocated memory is still 138.4MB. Free memory was 66.5MB in the beginning and 48.7MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-08-29 22:11:01,932 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory is still 30.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.01ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 24.3MB in the beginning and 30.2MB in the end (delta: -6.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.23ms. Allocated memory is still 58.7MB. Free memory was 30.1MB in the beginning and 39.9MB in the end (delta: -9.8MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.42ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 37.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 677.03ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 37.6MB in the beginning and 45.8MB in the end (delta: -8.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * TraceAbstraction took 6449.70ms. Allocated memory was 71.3MB in the beginning and 138.4MB in the end (delta: 67.1MB). Free memory was 45.2MB in the beginning and 67.5MB in the end (delta: -22.4MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. * Witness Printer took 58.36ms. Allocated memory is still 138.4MB. Free memory was 66.5MB in the beginning and 48.7MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4346.90ms, 122 PlacesBefore, 38 PlacesAfterwards, 114 TransitionsBefore, 28 TransitionsAfterwards, 2190 CoEnabledTransitionPairs, 7 FixpointIterations, 42 TrivialSequentialCompositions, 48 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 97 TotalNumberOfCompositions, 5993 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3235, positive: 3033, positive conditional: 0, positive unconditional: 3033, negative: 202, negative conditional: 0, negative unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1675, positive: 1607, positive conditional: 0, positive unconditional: 1607, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1675, positive: 1589, positive conditional: 0, positive unconditional: 1589, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 86, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 456, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 419, negative conditional: 0, negative unconditional: 419, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3235, positive: 1426, positive conditional: 0, positive unconditional: 1426, negative: 134, negative conditional: 0, negative unconditional: 134, unknown: 1675, unknown conditional: 0, unknown unconditional: 1675] , Statistics on independence cache: Total cache size (in pairs): 186, Positive cache size: 156, Positive conditional cache size: 0, Positive unconditional cache size: 156, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p0_EBX = 0; [L715] 0 int __unbuffered_p1_EAX = 0; [L717] 0 int __unbuffered_p2_EAX = 0; [L719] 0 int __unbuffered_p2_EBX = 0; [L721] 0 int a = 0; [L722] 0 _Bool a$flush_delayed; [L723] 0 int a$mem_tmp; [L724] 0 _Bool a$r_buff0_thd0; [L725] 0 _Bool a$r_buff0_thd1; [L726] 0 _Bool a$r_buff0_thd2; [L727] 0 _Bool a$r_buff0_thd3; [L728] 0 _Bool a$r_buff1_thd0; [L729] 0 _Bool a$r_buff1_thd1; [L730] 0 _Bool a$r_buff1_thd2; [L731] 0 _Bool a$r_buff1_thd3; [L732] 0 _Bool a$read_delayed; [L733] 0 int *a$read_delayed_var; [L734] 0 int a$w_buff0; [L735] 0 _Bool a$w_buff0_used; [L736] 0 int a$w_buff1; [L737] 0 _Bool a$w_buff1_used; [L738] 0 _Bool main$tmp_guard0; [L739] 0 _Bool main$tmp_guard1; [L741] 0 int x = 0; [L743] 0 int y = 0; [L745] 0 int z = 0; [L746] 0 _Bool weak$$choice0; [L747] 0 _Bool weak$$choice2; [L850] 0 pthread_t t385; [L851] FCALL, FORK 0 pthread_create(&t385, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L852] 0 pthread_t t386; [L853] FCALL, FORK 0 pthread_create(&t386, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L854] 0 pthread_t t387; [L855] FCALL, FORK 0 pthread_create(&t387, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L751] 1 a$w_buff1 = a$w_buff0 [L752] 1 a$w_buff0 = 1 [L753] 1 a$w_buff1_used = a$w_buff0_used [L754] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L756] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L757] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L758] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L759] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L760] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L763] 1 x = 1 [L766] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L769] 1 __unbuffered_p0_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L786] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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=1, y=1, z=0] [L789] 2 __unbuffered_p1_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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=1, y=1, z=0] [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L792] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L792] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L793] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L793] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L794] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L794] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L795] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L795] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L796] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L796] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L806] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L799] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L801] 2 return 0; [L809] 3 __unbuffered_p2_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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=1, y=1, z=1] [L812] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L813] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L814] 3 a$flush_delayed = weak$$choice2 [L815] 3 a$mem_tmp = a [L816] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L816] 3 a = !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L817] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L817] 3 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L818] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L818] 3 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L819] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L819] 3 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L820] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L820] 3 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L821] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L821] 3 a$r_buff0_thd3 = weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L822] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L822] 3 a$r_buff1_thd3 = weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L823] 3 __unbuffered_p2_EBX = a [L824] EXPR 3 a$flush_delayed ? a$mem_tmp : a [L824] 3 a = a$flush_delayed ? a$mem_tmp : a [L825] 3 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=1] [L828] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L828] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L828] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L828] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L829] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L829] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L830] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L830] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L831] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L831] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L832] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L832] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L835] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L837] 3 return 0; [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L772] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L773] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L773] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L774] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L774] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L775] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L775] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L776] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L776] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L779] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L781] 1 return 0; [L857] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L861] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L861] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L861] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L861] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L862] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L862] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L863] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L863] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L864] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L864] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L865] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L865] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L868] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 853]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 855]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 851]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 144 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 6249.19ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 14.88ms, AutomataDifference: 674.11ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 4479.96ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 474.59ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 250 mSDsluCounter, 320 SdHoareTripleChecker+Invalid, 384.18ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 369 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 474 IncrementalHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 144 mSDtfsCounter, 474 mSolverCounterSat, 4.98ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 73.91ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=986occurred in iteration=0, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 162.78ms AutomataMinimizationTime, 10 MinimizatonAttempts, 69 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 24.88ms SsaConstructionTime, 259.13ms SatisfiabilityAnalysisTime, 393.15ms InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 719 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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! [2021-08-29 22:11:01,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...