./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/chl/file-item-subst.wvr.c --full-output -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf --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/file-item-subst.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 80fe3a5c509b1b4e159a1c73a4d5fbc1878eb763 -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-05 22:17:31,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-05 22:17:31,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-05 22:17:31,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-05 22:17:31,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-05 22:17:31,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-05 22:17:31,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-05 22:17:31,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-05 22:17:31,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-05 22:17:31,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-05 22:17:31,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-05 22:17:31,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-05 22:17:31,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-05 22:17:31,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-05 22:17:31,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-05 22:17:31,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-05 22:17:31,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-05 22:17:31,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-05 22:17:31,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-05 22:17:31,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-05 22:17:31,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-05 22:17:31,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-05 22:17:31,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-05 22:17:31,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-05 22:17:31,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-05 22:17:31,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-05 22:17:31,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-05 22:17:31,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-05 22:17:31,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-05 22:17:31,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-05 22:17:31,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-05 22:17:31,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-05 22:17:31,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-05 22:17:31,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-05 22:17:31,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-05 22:17:31,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-05 22:17:31,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-05 22:17:31,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-05 22:17:31,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-05 22:17:31,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-05 22:17:31,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-05 22:17:31,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-05 22:17:31,486 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-05 22:17:31,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-05 22:17:31,487 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-05 22:17:31,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-05 22:17:31,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-05 22:17:31,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-05 22:17:31,491 INFO L138 SettingsManager]: * Use SBE=true [2021-10-05 22:17:31,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-05 22:17:31,491 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-05 22:17:31,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-05 22:17:31,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-05 22:17:31,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-05 22:17:31,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-05 22:17:31,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-05 22:17:31,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-05 22:17:31,494 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-05 22:17:31,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-05 22:17:31,495 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-05 22:17:31,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-05 22:17:31,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-05 22:17:31,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-05 22:17:31,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-05 22:17:31,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-05 22:17:31,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-05 22:17:31,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-05 22:17:31,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-05 22:17:31,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-05 22:17:31,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-05 22:17:31,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-05 22:17:31,498 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-05 22:17:31,498 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80fe3a5c509b1b4e159a1c73a4d5fbc1878eb763 [2021-10-05 22:17:31,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-05 22:17:31,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-05 22:17:31,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-05 22:17:31,946 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-05 22:17:31,947 INFO L275 PluginConnector]: CDTParser initialized [2021-10-05 22:17:31,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl/file-item-subst.wvr.c [2021-10-05 22:17:32,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53c1a4da4/10819bf98bdf44d7b5b153df2c20522f/FLAGf989ca2a0 [2021-10-05 22:17:32,713 INFO L306 CDTParser]: Found 1 translation units. [2021-10-05 22:17:32,714 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/file-item-subst.wvr.c [2021-10-05 22:17:32,724 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53c1a4da4/10819bf98bdf44d7b5b153df2c20522f/FLAGf989ca2a0 [2021-10-05 22:17:33,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53c1a4da4/10819bf98bdf44d7b5b153df2c20522f [2021-10-05 22:17:33,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-05 22:17:33,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-05 22:17:33,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-05 22:17:33,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-05 22:17:33,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-05 22:17:33,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:17:33" (1/1) ... [2021-10-05 22:17:33,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3896ab3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:33, skipping insertion in model container [2021-10-05 22:17:33,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:17:33" (1/1) ... [2021-10-05 22:17:33,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-05 22:17:33,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-05 22:17:33,283 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/file-item-subst.wvr.c[2915,2928] [2021-10-05 22:17:33,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-05 22:17:33,298 INFO L203 MainTranslator]: Completed pre-run [2021-10-05 22:17:33,324 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/file-item-subst.wvr.c[2915,2928] [2021-10-05 22:17:33,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-05 22:17:33,342 INFO L208 MainTranslator]: Completed translation [2021-10-05 22:17:33,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:33 WrapperNode [2021-10-05 22:17:33,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-05 22:17:33,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-05 22:17:33,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-05 22:17:33,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-05 22:17:33,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:33" (1/1) ... [2021-10-05 22:17:33,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:33" (1/1) ... [2021-10-05 22:17:33,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-05 22:17:33,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-05 22:17:33,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-05 22:17:33,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-05 22:17:33,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:33" (1/1) ... [2021-10-05 22:17:33,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:33" (1/1) ... [2021-10-05 22:17:33,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:33" (1/1) ... [2021-10-05 22:17:33,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:33" (1/1) ... [2021-10-05 22:17:33,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:33" (1/1) ... [2021-10-05 22:17:33,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:33" (1/1) ... [2021-10-05 22:17:33,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:33" (1/1) ... [2021-10-05 22:17:33,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-05 22:17:33,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-05 22:17:33,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-05 22:17:33,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-05 22:17:33,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:33" (1/1) ... [2021-10-05 22:17:33,430 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-05 22:17:33,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-05 22:17:33,471 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) [2021-10-05 22:17:33,486 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 [2021-10-05 22:17:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-05 22:17:33,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-05 22:17:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-05 22:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-05 22:17:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-05 22:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-05 22:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-05 22:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-05 22:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-05 22:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-05 22:17:33,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-05 22:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-05 22:17:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-05 22:17:33,541 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-05 22:17:34,123 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-05 22:17:34,124 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-05 22:17:34,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:17:34 BoogieIcfgContainer [2021-10-05 22:17:34,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-05 22:17:34,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-05 22:17:34,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-05 22:17:34,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-05 22:17:34,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 10:17:33" (1/3) ... [2021-10-05 22:17:34,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54afdb71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:17:34, skipping insertion in model container [2021-10-05 22:17:34,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:33" (2/3) ... [2021-10-05 22:17:34,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54afdb71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:17:34, skipping insertion in model container [2021-10-05 22:17:34,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:17:34" (3/3) ... [2021-10-05 22:17:34,138 INFO L111 eAbstractionObserver]: Analyzing ICFG file-item-subst.wvr.c [2021-10-05 22:17:34,146 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-05 22:17:34,146 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-05 22:17:34,147 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-05 22:17:34,147 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-05 22:17:34,193 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,194 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,194 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,194 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,195 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,195 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,195 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,197 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,197 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,197 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,198 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,198 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,199 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,199 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,199 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,200 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,200 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,200 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,201 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,201 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,201 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,202 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,202 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,202 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,204 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,204 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,204 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,206 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,206 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,206 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,207 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,207 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,207 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,207 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,210 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,210 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,210 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,211 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,211 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,211 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,212 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,212 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,212 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,213 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,213 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,213 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,214 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,214 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,214 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,215 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,215 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,216 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,216 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,216 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,216 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,217 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,217 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,217 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,218 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,218 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,218 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,219 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,219 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,219 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,220 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,220 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,220 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,220 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,221 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,221 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,221 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,222 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,222 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,222 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,223 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,223 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,223 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,224 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,224 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,224 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,224 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,225 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,226 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,226 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,227 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,227 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,227 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,228 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,228 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,229 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,229 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,229 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,229 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,230 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,230 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,230 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,231 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,231 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,231 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,232 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,232 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,232 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,232 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,233 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,233 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,233 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,233 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,234 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,234 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,234 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,234 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,235 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,235 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,235 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,235 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,236 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,236 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,236 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,236 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,237 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,237 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,237 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,237 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,238 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,238 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,238 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,238 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,239 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,239 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,239 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,245 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,246 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,246 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,246 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,246 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,247 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,247 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,247 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,252 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,253 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,253 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,253 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,253 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,254 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,254 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,254 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,256 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,256 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,257 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,257 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,257 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,257 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,258 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,258 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:34,267 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-05 22:17:34,330 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-05 22:17:34,338 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 [2021-10-05 22:17:34,338 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-05 22:17:34,358 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-05 22:17:34,375 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 181 places, 191 transitions, 406 flow [2021-10-05 22:17:34,379 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 181 places, 191 transitions, 406 flow [2021-10-05 22:17:34,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 181 places, 191 transitions, 406 flow [2021-10-05 22:17:34,550 INFO L129 PetriNetUnfolder]: 20/188 cut-off events. [2021-10-05 22:17:34,551 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-05 22:17:34,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 188 events. 20/188 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 368 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 127. Up to 2 conditions per place. [2021-10-05 22:17:34,571 INFO L116 LiptonReduction]: Number of co-enabled transitions 8448 [2021-10-05 22:17:43,070 INFO L131 LiptonReduction]: Checked pairs total: 7948 [2021-10-05 22:17:43,070 INFO L133 LiptonReduction]: Total number of compositions: 221 [2021-10-05 22:17:43,080 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 20 transitions, 64 flow [2021-10-05 22:17:43,103 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) [2021-10-05 22:17:43,106 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) [2021-10-05 22:17:43,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-05 22:17:43,115 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:17:43,116 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-05 22:17:43,117 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:17:43,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:17:43,123 INFO L82 PathProgramCache]: Analyzing trace with hash 361353796, now seen corresponding path program 1 times [2021-10-05 22:17:43,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:17:43,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773729825] [2021-10-05 22:17:43,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:17:43,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:17:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:17:45,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:17:45,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:17:45,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773729825] [2021-10-05 22:17:45,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773729825] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:17:45,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:17:45,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 22:17:45,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743582630] [2021-10-05 22:17:45,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 22:17:45,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:17:45,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 22:17:45,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 22:17:45,224 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) [2021-10-05 22:17:46,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:17:46,411 INFO L93 Difference]: Finished difference Result 61 states and 96 transitions. [2021-10-05 22:17:46,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 22:17:46,414 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 [2021-10-05 22:17:46,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:17:46,428 INFO L225 Difference]: With dead ends: 61 [2021-10-05 22:17:46,429 INFO L226 Difference]: Without dead ends: 52 [2021-10-05 22:17:46,432 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1346.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-05 22:17:46,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-05 22:17:46,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 44. [2021-10-05 22:17:46,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.813953488372093) internal successors, (78), 43 states have internal predecessors, (78), 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) [2021-10-05 22:17:46,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 78 transitions. [2021-10-05 22:17:46,481 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 78 transitions. Word has length 16 [2021-10-05 22:17:46,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:17:46,486 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 78 transitions. [2021-10-05 22:17:46,486 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) [2021-10-05 22:17:46,487 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2021-10-05 22:17:46,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-05 22:17:46,488 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:17:46,488 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-05 22:17:46,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-05 22:17:46,489 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:17:46,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:17:46,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1139264660, now seen corresponding path program 2 times [2021-10-05 22:17:46,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:17:46,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288687201] [2021-10-05 22:17:46,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:17:46,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:17:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:17:47,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:17:47,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:17:47,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288687201] [2021-10-05 22:17:47,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288687201] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:17:47,256 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:17:47,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 22:17:47,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769237611] [2021-10-05 22:17:47,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 22:17:47,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:17:47,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 22:17:47,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 22:17:47,259 INFO L87 Difference]: Start difference. First operand 44 states and 78 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) [2021-10-05 22:17:48,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:17:48,113 INFO L93 Difference]: Finished difference Result 63 states and 98 transitions. [2021-10-05 22:17:48,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 22:17:48,115 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 [2021-10-05 22:17:48,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:17:48,116 INFO L225 Difference]: With dead ends: 63 [2021-10-05 22:17:48,116 INFO L226 Difference]: Without dead ends: 50 [2021-10-05 22:17:48,118 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 962.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-05 22:17:48,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-10-05 22:17:48,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2021-10-05 22:17:48,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.7804878048780488) internal successors, (73), 41 states have internal predecessors, (73), 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) [2021-10-05 22:17:48,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 73 transitions. [2021-10-05 22:17:48,127 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 73 transitions. Word has length 16 [2021-10-05 22:17:48,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:17:48,128 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 73 transitions. [2021-10-05 22:17:48,128 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) [2021-10-05 22:17:48,128 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2021-10-05 22:17:48,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-05 22:17:48,129 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:17:48,130 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-05 22:17:48,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-05 22:17:48,130 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:17:48,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:17:48,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1106056294, now seen corresponding path program 3 times [2021-10-05 22:17:48,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:17:48,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776236574] [2021-10-05 22:17:48,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:17:48,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:17:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:17:49,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:17:49,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:17:49,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776236574] [2021-10-05 22:17:49,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776236574] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:17:49,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:17:49,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 22:17:49,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009647449] [2021-10-05 22:17:49,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 22:17:49,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:17:49,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 22:17:49,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 22:17:49,686 INFO L87 Difference]: Start difference. First operand 42 states and 73 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) [2021-10-05 22:17:51,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:17:51,515 INFO L93 Difference]: Finished difference Result 57 states and 86 transitions. [2021-10-05 22:17:51,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 22:17:51,516 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 [2021-10-05 22:17:51,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:17:51,516 INFO L225 Difference]: With dead ends: 57 [2021-10-05 22:17:51,517 INFO L226 Difference]: Without dead ends: 48 [2021-10-05 22:17:51,517 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2065.9ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-05 22:17:51,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-10-05 22:17:51,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 40. [2021-10-05 22:17:51,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.7435897435897436) internal successors, (68), 39 states have internal predecessors, (68), 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) [2021-10-05 22:17:51,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 68 transitions. [2021-10-05 22:17:51,523 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 68 transitions. Word has length 16 [2021-10-05 22:17:51,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:17:51,523 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 68 transitions. [2021-10-05 22:17:51,523 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) [2021-10-05 22:17:51,524 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2021-10-05 22:17:51,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-05 22:17:51,525 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:17:51,525 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-05 22:17:51,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-05 22:17:51,525 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:17:51,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:17:51,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1146379552, now seen corresponding path program 4 times [2021-10-05 22:17:51,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:17:51,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103719561] [2021-10-05 22:17:51,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:17:51,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:17:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:17:52,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:17:52,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:17:52,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103719561] [2021-10-05 22:17:52,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103719561] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:17:52,238 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:17:52,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 22:17:52,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205254732] [2021-10-05 22:17:52,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 22:17:52,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:17:52,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 22:17:52,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 22:17:52,241 INFO L87 Difference]: Start difference. First operand 40 states and 68 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) [2021-10-05 22:17:52,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:17:52,645 INFO L93 Difference]: Finished difference Result 55 states and 87 transitions. [2021-10-05 22:17:52,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 22:17:52,646 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 [2021-10-05 22:17:52,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:17:52,647 INFO L225 Difference]: With dead ends: 55 [2021-10-05 22:17:52,647 INFO L226 Difference]: Without dead ends: 36 [2021-10-05 22:17:52,647 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 651.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-05 22:17:52,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-05 22:17:52,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-05 22:17:52,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.6285714285714286) internal successors, (57), 35 states have internal predecessors, (57), 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) [2021-10-05 22:17:52,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 57 transitions. [2021-10-05 22:17:52,652 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 57 transitions. Word has length 16 [2021-10-05 22:17:52,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:17:52,652 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 57 transitions. [2021-10-05 22:17:52,653 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) [2021-10-05 22:17:52,653 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2021-10-05 22:17:52,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-05 22:17:52,654 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:17:52,654 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-05 22:17:52,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-05 22:17:52,654 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:17:52,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:17:52,655 INFO L82 PathProgramCache]: Analyzing trace with hash 2045087142, now seen corresponding path program 5 times [2021-10-05 22:17:52,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:17:52,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457315302] [2021-10-05 22:17:52,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:17:52,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:17:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:17:53,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:17:53,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:17:53,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457315302] [2021-10-05 22:17:53,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457315302] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:17:53,370 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:17:53,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 22:17:53,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064927508] [2021-10-05 22:17:53,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 22:17:53,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:17:53,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 22:17:53,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 22:17:53,372 INFO L87 Difference]: Start difference. First operand 36 states and 57 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) [2021-10-05 22:17:53,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:17:53,766 INFO L93 Difference]: Finished difference Result 43 states and 63 transitions. [2021-10-05 22:17:53,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 22:17:53,766 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 [2021-10-05 22:17:53,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:17:53,767 INFO L225 Difference]: With dead ends: 43 [2021-10-05 22:17:53,767 INFO L226 Difference]: Without dead ends: 32 [2021-10-05 22:17:53,768 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 537.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-05 22:17:53,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-10-05 22:17:53,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-10-05 22:17:53,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 31 states have internal predecessors, (46), 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) [2021-10-05 22:17:53,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 46 transitions. [2021-10-05 22:17:53,774 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 46 transitions. Word has length 16 [2021-10-05 22:17:53,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:17:53,774 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 46 transitions. [2021-10-05 22:17:53,775 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) [2021-10-05 22:17:53,775 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2021-10-05 22:17:53,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-05 22:17:53,776 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:17:53,776 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-05 22:17:53,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-05 22:17:53,776 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:17:53,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:17:53,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1871847672, now seen corresponding path program 6 times [2021-10-05 22:17:53,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:17:53,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518508751] [2021-10-05 22:17:53,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:17:53,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:17:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:17:54,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:17:54,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:17:54,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518508751] [2021-10-05 22:17:54,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518508751] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:17:54,627 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:17:54,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 22:17:54,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189952752] [2021-10-05 22:17:54,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 22:17:54,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:17:54,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 22:17:54,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 22:17:54,629 INFO L87 Difference]: Start difference. First operand 32 states and 46 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) [2021-10-05 22:17:54,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:17:54,974 INFO L93 Difference]: Finished difference Result 31 states and 45 transitions. [2021-10-05 22:17:54,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 22:17:54,974 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 [2021-10-05 22:17:54,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:17:54,975 INFO L225 Difference]: With dead ends: 31 [2021-10-05 22:17:54,975 INFO L226 Difference]: Without dead ends: 0 [2021-10-05 22:17:54,976 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 485.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-05 22:17:54,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-05 22:17:54,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-05 22:17:54,976 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) [2021-10-05 22:17:54,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-05 22:17:54,977 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-10-05 22:17:54,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:17:54,977 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-05 22:17:54,977 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) [2021-10-05 22:17:54,978 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-05 22:17:54,978 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-05 22:17:54,980 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-05 22:17:54,980 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-05 22:17:54,980 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-05 22:17:54,981 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-05 22:17:54,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-05 22:17:54,984 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-05 22:17:54,984 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-05 22:17:54,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 10:17:54 BasicIcfg [2021-10-05 22:17:54,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-05 22:17:54,987 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-05 22:17:54,987 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-05 22:17:54,987 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-05 22:17:54,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:17:34" (3/4) ... [2021-10-05 22:17:54,991 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-05 22:17:54,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-05 22:17:54,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-05 22:17:55,004 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-05 22:17:55,010 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-10-05 22:17:55,010 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-05 22:17:55,010 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-05 22:17:55,011 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-05 22:17:55,070 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-10-05 22:17:55,073 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-05 22:17:55,076 INFO L168 Benchmark]: Toolchain (without parser) took 22020.60 ms. Allocated memory was 48.2 MB in the beginning and 151.0 MB in the end (delta: 102.8 MB). Free memory was 25.1 MB in the beginning and 126.5 MB in the end (delta: -101.5 MB). Peak memory consumption was 90.2 MB. Max. memory is 16.1 GB. [2021-10-05 22:17:55,077 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 37.7 MB. Free memory was 18.9 MB in the beginning and 18.9 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-05 22:17:55,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.94 ms. Allocated memory is still 48.2 MB. Free memory was 24.8 MB in the beginning and 25.4 MB in the end (delta: -625.2 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-05 22:17:55,081 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.97 ms. Allocated memory is still 48.2 MB. Free memory was 25.4 MB in the beginning and 23.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-05 22:17:55,083 INFO L168 Benchmark]: Boogie Preprocessor took 31.43 ms. Allocated memory is still 48.2 MB. Free memory was 23.6 MB in the beginning and 22.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-05 22:17:55,084 INFO L168 Benchmark]: RCFGBuilder took 706.42 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 22.3 MB in the beginning and 40.6 MB in the end (delta: -18.3 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2021-10-05 22:17:55,084 INFO L168 Benchmark]: TraceAbstraction took 20857.39 ms. Allocated memory was 58.7 MB in the beginning and 151.0 MB in the end (delta: 92.3 MB). Free memory was 40.1 MB in the beginning and 42.2 MB in the end (delta: -2.1 MB). Peak memory consumption was 90.0 MB. Max. memory is 16.1 GB. [2021-10-05 22:17:55,085 INFO L168 Benchmark]: Witness Printer took 86.07 ms. Allocated memory is still 151.0 MB. Free memory was 42.2 MB in the beginning and 126.5 MB in the end (delta: -84.3 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2021-10-05 22:17:55,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 37.7 MB. Free memory was 18.9 MB in the beginning and 18.9 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 281.94 ms. Allocated memory is still 48.2 MB. Free memory was 24.8 MB in the beginning and 25.4 MB in the end (delta: -625.2 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.97 ms. Allocated memory is still 48.2 MB. Free memory was 25.4 MB in the beginning and 23.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.43 ms. Allocated memory is still 48.2 MB. Free memory was 23.6 MB in the beginning and 22.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 706.42 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 22.3 MB in the beginning and 40.6 MB in the end (delta: -18.3 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20857.39 ms. Allocated memory was 58.7 MB in the beginning and 151.0 MB in the end (delta: 92.3 MB). Free memory was 40.1 MB in the beginning and 42.2 MB in the end (delta: -2.1 MB). Peak memory consumption was 90.0 MB. Max. memory is 16.1 GB. * Witness Printer took 86.07 ms. Allocated memory is still 151.0 MB. Free memory was 42.2 MB in the beginning and 126.5 MB in the end (delta: -84.3 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8691.8ms, 181 PlacesBefore, 30 PlacesAfterwards, 191 TransitionsBefore, 20 TransitionsAfterwards, 8448 CoEnabledTransitionPairs, 6 FixpointIterations, 66 TrivialSequentialCompositions, 88 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 44 ConcurrentYvCompositions, 20 ChoiceCompositions, 221 TotalNumberOfCompositions, 7948 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7948, positive: 7948, positive conditional: 0, positive unconditional: 7948, 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: 6498, positive: 6498, positive conditional: 0, positive unconditional: 6498, 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: 6498, positive: 6498, positive conditional: 0, positive unconditional: 6498, 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: 7948, positive: 1450, positive conditional: 0, positive unconditional: 1450, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6498, unknown conditional: 0, unknown unconditional: 6498] , 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: 76]: 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, 256 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 20656.2ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 17.1ms, AutomataDifference: 5068.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8764.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 150 SDtfs, 206 SDslu, 211 SDs, 0 SdLazy, 95 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 254.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 6050.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 59.3ms AutomataMinimizationTime, 6 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 35.8ms SsaConstructionTime, 509.6ms SatisfiabilityAnalysisTime, 5973.1ms InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 5358 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! [2021-10-05 22:17:55,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...