./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/chl/match-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8c2bbc92 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl/match-trans.wvr.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 751244f0c3739fe3d617516c725635b00faef110 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-03 11:57:09,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-03 11:57:09,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-03 11:57:09,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-03 11:57:09,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-03 11:57:09,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-03 11:57:09,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-03 11:57:09,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-03 11:57:09,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-03 11:57:09,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-03 11:57:09,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-03 11:57:09,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-03 11:57:09,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-03 11:57:09,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-03 11:57:09,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-03 11:57:09,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-03 11:57:09,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-03 11:57:09,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-03 11:57:09,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-03 11:57:09,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-03 11:57:09,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-03 11:57:09,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-03 11:57:09,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-03 11:57:09,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-03 11:57:09,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-03 11:57:09,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-03 11:57:09,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-03 11:57:09,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-03 11:57:09,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-03 11:57:09,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-03 11:57:09,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-03 11:57:09,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-03 11:57:09,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-03 11:57:09,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-03 11:57:09,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-03 11:57:09,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-03 11:57:09,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-03 11:57:09,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-03 11:57:09,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-03 11:57:09,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-03 11:57:09,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-03 11:57:09,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-03 11:57:10,053 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-03 11:57:10,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-03 11:57:10,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-03 11:57:10,055 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-03 11:57:10,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-03 11:57:10,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-03 11:57:10,058 INFO L138 SettingsManager]: * Use SBE=true [2021-10-03 11:57:10,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-03 11:57:10,059 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-03 11:57:10,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-03 11:57:10,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-03 11:57:10,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-03 11:57:10,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-03 11:57:10,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-03 11:57:10,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-03 11:57:10,062 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-03 11:57:10,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-03 11:57:10,062 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-03 11:57:10,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-03 11:57:10,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-03 11:57:10,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-03 11:57:10,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-03 11:57:10,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-03 11:57:10,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-03 11:57:10,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-03 11:57:10,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-03 11:57:10,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-03 11:57:10,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-03 11:57:10,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-03 11:57:10,065 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-03 11:57:10,065 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 751244f0c3739fe3d617516c725635b00faef110 [2021-10-03 11:57:10,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-03 11:57:10,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-03 11:57:10,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-03 11:57:10,511 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-03 11:57:10,512 INFO L275 PluginConnector]: CDTParser initialized [2021-10-03 11:57:10,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl/match-trans.wvr.c [2021-10-03 11:57:10,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/760c4e352/46ae804112f54b9dab4581e5d32294dd/FLAGf160fe41e [2021-10-03 11:57:11,312 INFO L306 CDTParser]: Found 1 translation units. [2021-10-03 11:57:11,313 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/match-trans.wvr.c [2021-10-03 11:57:11,314 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-10-03 11:57:11,314 WARN L117 ultiparseSymbolTable]: System include assert.h could not be resolved by CDT -- only built-in system includes are available. [2021-10-03 11:57:11,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/760c4e352/46ae804112f54b9dab4581e5d32294dd/FLAGf160fe41e [2021-10-03 11:57:11,643 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/760c4e352/46ae804112f54b9dab4581e5d32294dd [2021-10-03 11:57:11,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-03 11:57:11,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-03 11:57:11,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-03 11:57:11,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-03 11:57:11,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-03 11:57:11,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 11:57:11" (1/1) ... [2021-10-03 11:57:11,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9597567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:57:11, skipping insertion in model container [2021-10-03 11:57:11,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 11:57:11" (1/1) ... [2021-10-03 11:57:11,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-03 11:57:11,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-03 11:57:11,844 WARN L612 FunctionHandler]: implicit declaration of function assert [2021-10-03 11:57:11,894 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/match-trans.wvr.c[1918,1931] [2021-10-03 11:57:11,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-03 11:57:11,910 INFO L203 MainTranslator]: Completed pre-run [2021-10-03 11:57:11,924 WARN L612 FunctionHandler]: implicit declaration of function assert [2021-10-03 11:57:11,939 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/match-trans.wvr.c[1918,1931] [2021-10-03 11:57:11,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-03 11:57:11,959 INFO L208 MainTranslator]: Completed translation [2021-10-03 11:57:11,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:57:11 WrapperNode [2021-10-03 11:57:11,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-03 11:57:11,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-03 11:57:11,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-03 11:57:11,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-03 11:57:11,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:57:11" (1/1) ... [2021-10-03 11:57:11,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:57:11" (1/1) ... [2021-10-03 11:57:12,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-03 11:57:12,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-03 11:57:12,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-03 11:57:12,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-03 11:57:12,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:57:11" (1/1) ... [2021-10-03 11:57:12,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:57:11" (1/1) ... [2021-10-03 11:57:12,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:57:11" (1/1) ... [2021-10-03 11:57:12,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:57:11" (1/1) ... [2021-10-03 11:57:12,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:57:11" (1/1) ... [2021-10-03 11:57:12,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:57:11" (1/1) ... [2021-10-03 11:57:12,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:57:11" (1/1) ... [2021-10-03 11:57:12,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-03 11:57:12,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-03 11:57:12,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-03 11:57:12,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-03 11:57:12,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:57:11" (1/1) ... [2021-10-03 11:57:12,053 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-03 11:57:12,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-03 11:57:12,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-03 11:57:12,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-03 11:57:12,174 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-03 11:57:12,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-03 11:57:12,174 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-03 11:57:12,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-03 11:57:12,174 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-03 11:57:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-03 11:57:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-03 11:57:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-03 11:57:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-03 11:57:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-03 11:57:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-03 11:57:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-03 11:57:12,179 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-03 11:57:12,612 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-03 11:57:12,612 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-03 11:57:12,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 11:57:12 BoogieIcfgContainer [2021-10-03 11:57:12,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-03 11:57:12,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-03 11:57:12,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-03 11:57:12,621 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-03 11:57:12,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 11:57:11" (1/3) ... [2021-10-03 11:57:12,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb83c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 11:57:12, skipping insertion in model container [2021-10-03 11:57:12,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 11:57:11" (2/3) ... [2021-10-03 11:57:12,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb83c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 11:57:12, skipping insertion in model container [2021-10-03 11:57:12,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 11:57:12" (3/3) ... [2021-10-03 11:57:12,625 INFO L111 eAbstractionObserver]: Analyzing ICFG match-trans.wvr.c [2021-10-03 11:57:12,631 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-03 11:57:12,632 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-03 11:57:12,632 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-03 11:57:12,632 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-03 11:57:12,727 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,728 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,728 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,729 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,729 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,730 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,730 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,731 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,731 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,731 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,732 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,732 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,732 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,733 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,733 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,733 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,734 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,734 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,734 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,735 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,735 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,735 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,735 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,736 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,736 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,736 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,737 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,737 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,737 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,737 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,738 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,738 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,739 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,739 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,740 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,740 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,741 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,741 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,742 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,742 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,742 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,742 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,743 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,743 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,743 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,744 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,744 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,744 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,745 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,745 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,745 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,746 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,746 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,746 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,746 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,747 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,747 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,747 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,748 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,748 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,748 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,749 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,749 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,749 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,750 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,751 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,751 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,752 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,752 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,752 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,753 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,753 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,754 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,754 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,754 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,754 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,755 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,755 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,756 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,756 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,756 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,756 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,757 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,757 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,757 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,758 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,758 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,758 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,759 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,759 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,759 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,760 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,760 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,760 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,760 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,761 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,765 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,765 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,765 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,766 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,766 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,766 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,773 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,773 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,773 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,774 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,774 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,774 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,777 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,777 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,778 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,778 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,778 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,778 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-03 11:57:12,793 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-03 11:57:12,892 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-03 11:57:12,905 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 [2021-10-03 11:57:12,905 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-03 11:57:12,934 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-03 11:57:12,955 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 157 transitions, 338 flow [2021-10-03 11:57:12,959 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 157 transitions, 338 flow [2021-10-03 11:57:12,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 154 places, 157 transitions, 338 flow [2021-10-03 11:57:13,047 INFO L129 PetriNetUnfolder]: 13/154 cut-off events. [2021-10-03 11:57:13,047 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-03 11:57:13,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 154 events. 13/154 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 228 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 109. Up to 2 conditions per place. [2021-10-03 11:57:13,064 INFO L116 LiptonReduction]: Number of co-enabled transitions 4488 [2021-10-03 11:57:19,266 INFO L131 LiptonReduction]: Checked pairs total: 4571 [2021-10-03 11:57:19,267 INFO L133 LiptonReduction]: Total number of compositions: 178 [2021-10-03 11:57:19,277 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 20 transitions, 64 flow [2021-10-03 11:57:19,291 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 44 states, 43 states have (on average 1.8604651162790697) internal successors, (80), 43 states have internal predecessors, (80), 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) [2021-10-03 11:57:19,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 43 states have (on average 1.8604651162790697) internal successors, (80), 43 states have internal predecessors, (80), 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) [2021-10-03 11:57:19,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-03 11:57:19,301 INFO L504 BasicCegarLoop]: Found error trace [2021-10-03 11:57:19,302 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-03 11:57:19,302 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-03 11:57:19,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-03 11:57:19,308 INFO L82 PathProgramCache]: Analyzing trace with hash 370388412, now seen corresponding path program 1 times [2021-10-03 11:57:19,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-03 11:57:19,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118884025] [2021-10-03 11:57:19,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-03 11:57:19,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-03 11:57:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-03 11:57:19,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-03 11:57:19,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-03 11:57:19,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118884025] [2021-10-03 11:57:19,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118884025] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-03 11:57:19,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-03 11:57:19,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-03 11:57:19,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660829747] [2021-10-03 11:57:19,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-03 11:57:19,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-03 11:57:19,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-03 11:57:19,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-03 11:57:19,850 INFO L87 Difference]: Start difference. First operand has 44 states, 43 states have (on average 1.8604651162790697) internal successors, (80), 43 states have internal predecessors, (80), 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 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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) [2021-10-03 11:57:19,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-03 11:57:19,982 INFO L93 Difference]: Finished difference Result 67 states and 106 transitions. [2021-10-03 11:57:19,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-03 11:57:19,985 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 [2021-10-03 11:57:19,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-03 11:57:19,995 INFO L225 Difference]: With dead ends: 67 [2021-10-03 11:57:19,995 INFO L226 Difference]: Without dead ends: 52 [2021-10-03 11:57:19,996 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 106.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-03 11:57:20,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-03 11:57:20,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 44. [2021-10-03 11:57:20,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.7674418604651163) internal successors, (76), 43 states have internal predecessors, (76), 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) [2021-10-03 11:57:20,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 76 transitions. [2021-10-03 11:57:20,050 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 76 transitions. Word has length 16 [2021-10-03 11:57:20,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-03 11:57:20,050 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 76 transitions. [2021-10-03 11:57:20,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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) [2021-10-03 11:57:20,051 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2021-10-03 11:57:20,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-03 11:57:20,052 INFO L504 BasicCegarLoop]: Found error trace [2021-10-03 11:57:20,052 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-03 11:57:20,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-03 11:57:20,053 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-03 11:57:20,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-03 11:57:20,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1451672884, now seen corresponding path program 2 times [2021-10-03 11:57:20,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-03 11:57:20,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302849473] [2021-10-03 11:57:20,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-03 11:57:20,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-03 11:57:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-03 11:57:20,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-03 11:57:20,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-03 11:57:20,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302849473] [2021-10-03 11:57:20,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302849473] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-03 11:57:20,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-03 11:57:20,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-03 11:57:20,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109710480] [2021-10-03 11:57:20,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-03 11:57:20,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-03 11:57:20,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-03 11:57:20,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-03 11:57:20,352 INFO L87 Difference]: Start difference. First operand 44 states and 76 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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) [2021-10-03 11:57:20,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-03 11:57:20,457 INFO L93 Difference]: Finished difference Result 61 states and 92 transitions. [2021-10-03 11:57:20,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-03 11:57:20,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 [2021-10-03 11:57:20,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-03 11:57:20,459 INFO L225 Difference]: With dead ends: 61 [2021-10-03 11:57:20,459 INFO L226 Difference]: Without dead ends: 48 [2021-10-03 11:57:20,460 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 105.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-03 11:57:20,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-10-03 11:57:20,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 40. [2021-10-03 11:57:20,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 39 states have internal predecessors, (67), 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) [2021-10-03 11:57:20,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 67 transitions. [2021-10-03 11:57:20,466 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 67 transitions. Word has length 16 [2021-10-03 11:57:20,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-03 11:57:20,467 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 67 transitions. [2021-10-03 11:57:20,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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) [2021-10-03 11:57:20,467 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2021-10-03 11:57:20,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-03 11:57:20,468 INFO L504 BasicCegarLoop]: Found error trace [2021-10-03 11:57:20,469 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-03 11:57:20,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-03 11:57:20,469 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-03 11:57:20,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-03 11:57:20,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1998544806, now seen corresponding path program 3 times [2021-10-03 11:57:20,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-03 11:57:20,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226583895] [2021-10-03 11:57:20,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-03 11:57:20,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-03 11:57:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-03 11:57:20,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-03 11:57:20,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-03 11:57:20,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226583895] [2021-10-03 11:57:20,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226583895] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-03 11:57:20,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-03 11:57:20,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-03 11:57:20,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343867092] [2021-10-03 11:57:20,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-03 11:57:20,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-03 11:57:20,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-03 11:57:20,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-03 11:57:20,630 INFO L87 Difference]: Start difference. First operand 40 states and 67 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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) [2021-10-03 11:57:20,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-03 11:57:20,744 INFO L93 Difference]: Finished difference Result 55 states and 80 transitions. [2021-10-03 11:57:20,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-03 11:57:20,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 [2021-10-03 11:57:20,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-03 11:57:20,745 INFO L225 Difference]: With dead ends: 55 [2021-10-03 11:57:20,746 INFO L226 Difference]: Without dead ends: 40 [2021-10-03 11:57:20,746 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 101.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-03 11:57:20,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-03 11:57:20,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 32. [2021-10-03 11:57:20,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 31 states have internal predecessors, (48), 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) [2021-10-03 11:57:20,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 48 transitions. [2021-10-03 11:57:20,752 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 48 transitions. Word has length 16 [2021-10-03 11:57:20,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-03 11:57:20,753 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 48 transitions. [2021-10-03 11:57:20,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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) [2021-10-03 11:57:20,753 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2021-10-03 11:57:20,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-03 11:57:20,754 INFO L504 BasicCegarLoop]: Found error trace [2021-10-03 11:57:20,754 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-03 11:57:20,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-03 11:57:20,755 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-03 11:57:20,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-03 11:57:20,755 INFO L82 PathProgramCache]: Analyzing trace with hash -162054732, now seen corresponding path program 4 times [2021-10-03 11:57:20,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-03 11:57:20,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969550826] [2021-10-03 11:57:20,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-03 11:57:20,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-03 11:57:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-03 11:57:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-03 11:57:20,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-03 11:57:20,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969550826] [2021-10-03 11:57:20,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969550826] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-03 11:57:20,969 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-03 11:57:20,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-03 11:57:20,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836089376] [2021-10-03 11:57:20,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-03 11:57:20,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-03 11:57:20,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-03 11:57:20,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-03 11:57:20,971 INFO L87 Difference]: Start difference. First operand 32 states and 48 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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) [2021-10-03 11:57:21,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-03 11:57:21,060 INFO L93 Difference]: Finished difference Result 43 states and 61 transitions. [2021-10-03 11:57:21,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-03 11:57:21,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 [2021-10-03 11:57:21,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-03 11:57:21,061 INFO L225 Difference]: With dead ends: 43 [2021-10-03 11:57:21,061 INFO L226 Difference]: Without dead ends: 24 [2021-10-03 11:57:21,062 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 88.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-03 11:57:21,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-10-03 11:57:21,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-10-03 11:57:21,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 23 states have internal predecessors, (31), 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) [2021-10-03 11:57:21,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2021-10-03 11:57:21,065 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 16 [2021-10-03 11:57:21,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-03 11:57:21,065 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2021-10-03 11:57:21,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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) [2021-10-03 11:57:21,066 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2021-10-03 11:57:21,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-03 11:57:21,066 INFO L504 BasicCegarLoop]: Found error trace [2021-10-03 11:57:21,067 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-03 11:57:21,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-03 11:57:21,067 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-03 11:57:21,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-03 11:57:21,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1746676966, now seen corresponding path program 5 times [2021-10-03 11:57:21,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-03 11:57:21,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594010070] [2021-10-03 11:57:21,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-03 11:57:21,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-03 11:57:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-03 11:57:21,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-03 11:57:21,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-03 11:57:21,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594010070] [2021-10-03 11:57:21,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594010070] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-03 11:57:21,203 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-03 11:57:21,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-03 11:57:21,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072061718] [2021-10-03 11:57:21,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-03 11:57:21,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-03 11:57:21,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-03 11:57:21,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-03 11:57:21,205 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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) [2021-10-03 11:57:21,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-03 11:57:21,282 INFO L93 Difference]: Finished difference Result 31 states and 37 transitions. [2021-10-03 11:57:21,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-03 11:57:21,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 [2021-10-03 11:57:21,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-03 11:57:21,285 INFO L225 Difference]: With dead ends: 31 [2021-10-03 11:57:21,285 INFO L226 Difference]: Without dead ends: 22 [2021-10-03 11:57:21,286 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 80.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-03 11:57:21,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-10-03 11:57:21,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-10-03 11:57:21,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 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) [2021-10-03 11:57:21,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2021-10-03 11:57:21,291 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 16 [2021-10-03 11:57:21,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-03 11:57:21,291 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2021-10-03 11:57:21,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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) [2021-10-03 11:57:21,292 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2021-10-03 11:57:21,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-03 11:57:21,292 INFO L504 BasicCegarLoop]: Found error trace [2021-10-03 11:57:21,292 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-03 11:57:21,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-03 11:57:21,293 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-03 11:57:21,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-03 11:57:21,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1001974468, now seen corresponding path program 6 times [2021-10-03 11:57:21,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-03 11:57:21,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388566901] [2021-10-03 11:57:21,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-03 11:57:21,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-03 11:57:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-03 11:57:21,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-03 11:57:21,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-03 11:57:21,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388566901] [2021-10-03 11:57:21,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388566901] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-03 11:57:21,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-03 11:57:21,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-03 11:57:21,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288611588] [2021-10-03 11:57:21,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-03 11:57:21,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-03 11:57:21,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-03 11:57:21,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-03 11:57:21,480 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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) [2021-10-03 11:57:21,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-03 11:57:21,557 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2021-10-03 11:57:21,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-03 11:57:21,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 [2021-10-03 11:57:21,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-03 11:57:21,558 INFO L225 Difference]: With dead ends: 21 [2021-10-03 11:57:21,558 INFO L226 Difference]: Without dead ends: 0 [2021-10-03 11:57:21,559 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 85.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-03 11:57:21,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-03 11:57:21,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-03 11:57:21,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-03 11:57:21,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-03 11:57:21,559 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-10-03 11:57:21,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-03 11:57:21,560 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-03 11:57:21,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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) [2021-10-03 11:57:21,560 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-03 11:57:21,560 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-03 11:57:21,564 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-03 11:57:21,564 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-03 11:57:21,565 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-03 11:57:21,565 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-03 11:57:21,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-03 11:57:21,570 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-03 11:57:21,571 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-03 11:57:21,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 11:57:21 BasicIcfg [2021-10-03 11:57:21,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-03 11:57:21,574 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-03 11:57:21,575 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-03 11:57:21,575 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-03 11:57:21,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 11:57:12" (3/4) ... [2021-10-03 11:57:21,579 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-03 11:57:21,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-03 11:57:21,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-03 11:57:21,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-03 11:57:21,592 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-03 11:57:21,592 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-03 11:57:21,592 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-03 11:57:21,643 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-10-03 11:57:21,643 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-03 11:57:21,645 INFO L168 Benchmark]: Toolchain (without parser) took 9995.66 ms. Allocated memory was 52.4 MB in the beginning and 96.5 MB in the end (delta: 44.0 MB). Free memory was 28.3 MB in the beginning and 68.9 MB in the end (delta: -40.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-03 11:57:21,646 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 52.4 MB. Free memory is still 35.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-03 11:57:21,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.51 ms. Allocated memory is still 52.4 MB. Free memory was 28.0 MB in the beginning and 31.1 MB in the end (delta: -3.1 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-03 11:57:21,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.46 ms. Allocated memory is still 52.4 MB. Free memory was 31.1 MB in the beginning and 29.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-03 11:57:21,647 INFO L168 Benchmark]: Boogie Preprocessor took 30.33 ms. Allocated memory is still 52.4 MB. Free memory was 29.3 MB in the beginning and 28.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-03 11:57:21,648 INFO L168 Benchmark]: RCFGBuilder took 574.97 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 28.0 MB in the beginning and 39.5 MB in the end (delta: -11.5 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. [2021-10-03 11:57:21,649 INFO L168 Benchmark]: TraceAbstraction took 8956.54 ms. Allocated memory was 65.0 MB in the beginning and 96.5 MB in the end (delta: 31.5 MB). Free memory was 39.0 MB in the beginning and 72.1 MB in the end (delta: -33.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-03 11:57:21,649 INFO L168 Benchmark]: Witness Printer took 68.82 ms. Allocated memory is still 96.5 MB. Free memory was 72.1 MB in the beginning and 68.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-03 11:57:21,653 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 52.4 MB. Free memory is still 35.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 304.51 ms. Allocated memory is still 52.4 MB. Free memory was 28.0 MB in the beginning and 31.1 MB in the end (delta: -3.1 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.46 ms. Allocated memory is still 52.4 MB. Free memory was 31.1 MB in the beginning and 29.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.33 ms. Allocated memory is still 52.4 MB. Free memory was 29.3 MB in the beginning and 28.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 574.97 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 28.0 MB in the beginning and 39.5 MB in the end (delta: -11.5 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8956.54 ms. Allocated memory was 65.0 MB in the beginning and 96.5 MB in the end (delta: 31.5 MB). Free memory was 39.0 MB in the beginning and 72.1 MB in the end (delta: -33.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 68.82 ms. Allocated memory is still 96.5 MB. Free memory was 72.1 MB in the beginning and 68.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6308.2ms, 154 PlacesBefore, 30 PlacesAfterwards, 157 TransitionsBefore, 20 TransitionsAfterwards, 4488 CoEnabledTransitionPairs, 7 FixpointIterations, 65 TrivialSequentialCompositions, 63 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 37 ConcurrentYvCompositions, 13 ChoiceCompositions, 178 TotalNumberOfCompositions, 4571 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4571, positive: 4571, positive conditional: 0, positive unconditional: 4571, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3694, positive: 3694, positive conditional: 0, positive unconditional: 3694, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3694, positive: 3694, positive conditional: 0, positive unconditional: 3694, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4571, positive: 877, positive conditional: 0, positive unconditional: 877, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3694, unknown conditional: 0, unknown unconditional: 3694] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 53]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 205 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 8682.6ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 13.6ms, AutomataDifference: 642.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6385.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 130 SDtfs, 190 SDslu, 171 SDs, 0 SdLazy, 86 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 129.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 567.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 56.3ms AutomataMinimizationTime, 6 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 27.8ms SsaConstructionTime, 427.9ms SatisfiabilityAnalysisTime, 912.7ms InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 1304 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-03 11:57:21,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...