./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_9.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1810c2d3-1e01-416a-8d4b-a666467979da/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1810c2d3-1e01-416a-8d4b-a666467979da/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1810c2d3-1e01-416a-8d4b-a666467979da/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1810c2d3-1e01-416a-8d4b-a666467979da/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_9.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1810c2d3-1e01-416a-8d4b-a666467979da/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1810c2d3-1e01-416a-8d4b-a666467979da/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 20a70402cc893fb2c7adec21ca8a267adc3c5cbb ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 06:01:01,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 06:01:01,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 06:01:01,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 06:01:01,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 06:01:01,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 06:01:01,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 06:01:01,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 06:01:01,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 06:01:01,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 06:01:01,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 06:01:01,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 06:01:01,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 06:01:01,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 06:01:01,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 06:01:01,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 06:01:01,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 06:01:01,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 06:01:01,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 06:01:01,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 06:01:01,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 06:01:01,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 06:01:01,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 06:01:01,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 06:01:01,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 06:01:01,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 06:01:01,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 06:01:01,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 06:01:01,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 06:01:01,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 06:01:01,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 06:01:01,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 06:01:01,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 06:01:01,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 06:01:01,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 06:01:01,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 06:01:01,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 06:01:01,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 06:01:01,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 06:01:01,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 06:01:01,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 06:01:01,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1810c2d3-1e01-416a-8d4b-a666467979da/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2020-12-09 06:01:01,378 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 06:01:01,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 06:01:01,379 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 06:01:01,379 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 06:01:01,379 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 06:01:01,379 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 06:01:01,379 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 06:01:01,385 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 06:01:01,386 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 06:01:01,386 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 06:01:01,386 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 06:01:01,386 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 06:01:01,386 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 06:01:01,386 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 06:01:01,386 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 06:01:01,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 06:01:01,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 06:01:01,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 06:01:01,387 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 06:01:01,387 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 06:01:01,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 06:01:01,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 06:01:01,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 06:01:01,388 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 06:01:01,388 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 06:01:01,388 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 06:01:01,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 06:01:01,388 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 06:01:01,388 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 06:01:01,388 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 06:01:01,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 06:01:01,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 06:01:01,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 06:01:01,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 06:01:01,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 06:01:01,389 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 06:01:01,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 06:01:01,389 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 06:01:01,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 06:01:01,389 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_1810c2d3-1e01-416a-8d4b-a666467979da/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1810c2d3-1e01-416a-8d4b-a666467979da/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20a70402cc893fb2c7adec21ca8a267adc3c5cbb [2020-12-09 06:01:01,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 06:01:01,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 06:01:01,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 06:01:01,574 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 06:01:01,574 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 06:01:01,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1810c2d3-1e01-416a-8d4b-a666467979da/bin/utaipan/../../sv-benchmarks/c/locks/test_locks_9.c [2020-12-09 06:01:01,614 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1810c2d3-1e01-416a-8d4b-a666467979da/bin/utaipan/data/284df8cd2/208bf43f16ce478b8f08584a050e1f4c/FLAG934e59a48 [2020-12-09 06:01:01,969 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 06:01:01,970 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1810c2d3-1e01-416a-8d4b-a666467979da/sv-benchmarks/c/locks/test_locks_9.c [2020-12-09 06:01:01,977 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1810c2d3-1e01-416a-8d4b-a666467979da/bin/utaipan/data/284df8cd2/208bf43f16ce478b8f08584a050e1f4c/FLAG934e59a48 [2020-12-09 06:01:02,405 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1810c2d3-1e01-416a-8d4b-a666467979da/bin/utaipan/data/284df8cd2/208bf43f16ce478b8f08584a050e1f4c [2020-12-09 06:01:02,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 06:01:02,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 06:01:02,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 06:01:02,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 06:01:02,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 06:01:02,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:01:02" (1/1) ... [2020-12-09 06:01:02,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f83aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:01:02, skipping insertion in model container [2020-12-09 06:01:02,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:01:02" (1/1) ... [2020-12-09 06:01:02,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 06:01:02,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 06:01:02,533 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1810c2d3-1e01-416a-8d4b-a666467979da/sv-benchmarks/c/locks/test_locks_9.c[3555,3568] [2020-12-09 06:01:02,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:01:02,542 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 06:01:02,557 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1810c2d3-1e01-416a-8d4b-a666467979da/sv-benchmarks/c/locks/test_locks_9.c[3555,3568] [2020-12-09 06:01:02,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:01:02,567 INFO L208 MainTranslator]: Completed translation [2020-12-09 06:01:02,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:01:02 WrapperNode [2020-12-09 06:01:02,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 06:01:02,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 06:01:02,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 06:01:02,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 06:01:02,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:01:02" (1/1) ... [2020-12-09 06:01:02,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:01:02" (1/1) ... [2020-12-09 06:01:02,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 06:01:02,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 06:01:02,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 06:01:02,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 06:01:02,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:01:02" (1/1) ... [2020-12-09 06:01:02,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:01:02" (1/1) ... [2020-12-09 06:01:02,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:01:02" (1/1) ... [2020-12-09 06:01:02,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:01:02" (1/1) ... [2020-12-09 06:01:02,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:01:02" (1/1) ... [2020-12-09 06:01:02,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:01:02" (1/1) ... [2020-12-09 06:01:02,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:01:02" (1/1) ... [2020-12-09 06:01:02,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 06:01:02,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 06:01:02,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 06:01:02,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 06:01:02,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:01:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810c2d3-1e01-416a-8d4b-a666467979da/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 06:01:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 06:01:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 06:01:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 06:01:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 06:01:03,022 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 06:01:03,023 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-09 06:01:03,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:01:03 BoogieIcfgContainer [2020-12-09 06:01:03,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 06:01:03,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 06:01:03,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 06:01:03,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 06:01:03,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:01:02" (1/3) ... [2020-12-09 06:01:03,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6126f550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:01:03, skipping insertion in model container [2020-12-09 06:01:03,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:01:02" (2/3) ... [2020-12-09 06:01:03,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6126f550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:01:03, skipping insertion in model container [2020-12-09 06:01:03,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:01:03" (3/3) ... [2020-12-09 06:01:03,031 INFO L111 eAbstractionObserver]: Analyzing ICFG test_locks_9.c [2020-12-09 06:01:03,040 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 06:01:03,043 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-09 06:01:03,050 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-09 06:01:03,065 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 06:01:03,065 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-09 06:01:03,065 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 06:01:03,065 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 06:01:03,065 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 06:01:03,065 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 06:01:03,066 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 06:01:03,066 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 06:01:03,075 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-12-09 06:01:03,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-09 06:01:03,080 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:01:03,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-09 06:01:03,080 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 06:01:03,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:01:03,085 INFO L82 PathProgramCache]: Analyzing trace with hash 6504784, now seen corresponding path program 1 times [2020-12-09 06:01:03,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:01:03,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068034820] [2020-12-09 06:01:03,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:01:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:01:03,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:01:03,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068034820] [2020-12-09 06:01:03,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:01:03,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 06:01:03,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698800132] [2020-12-09 06:01:03,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 06:01:03,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:01:03,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 06:01:03,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 06:01:03,206 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 2 states. [2020-12-09 06:01:03,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:01:03,216 INFO L93 Difference]: Finished difference Result 27 states and 44 transitions. [2020-12-09 06:01:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 06:01:03,216 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-12-09 06:01:03,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:01:03,223 INFO L225 Difference]: With dead ends: 27 [2020-12-09 06:01:03,223 INFO L226 Difference]: Without dead ends: 26 [2020-12-09 06:01:03,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 06:01:03,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-12-09 06:01:03,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-12-09 06:01:03,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-12-09 06:01:03,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 43 transitions. [2020-12-09 06:01:03,248 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 43 transitions. Word has length 4 [2020-12-09 06:01:03,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:01:03,249 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 43 transitions. [2020-12-09 06:01:03,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 06:01:03,249 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2020-12-09 06:01:03,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 06:01:03,249 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:01:03,249 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 06:01:03,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 06:01:03,250 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 06:01:03,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:01:03,251 INFO L82 PathProgramCache]: Analyzing trace with hash 196133148, now seen corresponding path program 1 times [2020-12-09 06:01:03,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:01:03,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230515457] [2020-12-09 06:01:03,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:01:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:01:03,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:01:03,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230515457] [2020-12-09 06:01:03,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:01:03,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-09 06:01:03,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742276124] [2020-12-09 06:01:03,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 06:01:03,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:01:03,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 06:01:03,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 06:01:03,293 INFO L87 Difference]: Start difference. First operand 26 states and 43 transitions. Second operand 3 states. [2020-12-09 06:01:03,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:01:03,296 INFO L93 Difference]: Finished difference Result 25 states and 42 transitions. [2020-12-09 06:01:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 06:01:03,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-09 06:01:03,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:01:03,297 INFO L225 Difference]: With dead ends: 25 [2020-12-09 06:01:03,297 INFO L226 Difference]: Without dead ends: 23 [2020-12-09 06:01:03,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 06:01:03,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-12-09 06:01:03,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-12-09 06:01:03,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-12-09 06:01:03,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 40 transitions. [2020-12-09 06:01:03,301 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 40 transitions. Word has length 5 [2020-12-09 06:01:03,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:01:03,301 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 40 transitions. [2020-12-09 06:01:03,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 06:01:03,301 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2020-12-09 06:01:03,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-09 06:01:03,302 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:01:03,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-09 06:01:03,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 06:01:03,302 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 06:01:03,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:01:03,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1790632122, now seen corresponding path program 1 times [2020-12-09 06:01:03,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:01:03,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038500639] [2020-12-09 06:01:03,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:01:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:01:03,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:01:03,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038500639] [2020-12-09 06:01:03,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:01:03,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 06:01:03,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086939275] [2020-12-09 06:01:03,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 06:01:03,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:01:03,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 06:01:03,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:01:03,349 INFO L87 Difference]: Start difference. First operand 23 states and 40 transitions. Second operand 4 states. [2020-12-09 06:01:03,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:01:03,374 INFO L93 Difference]: Finished difference Result 43 states and 74 transitions. [2020-12-09 06:01:03,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 06:01:03,375 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-12-09 06:01:03,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:01:03,376 INFO L225 Difference]: With dead ends: 43 [2020-12-09 06:01:03,376 INFO L226 Difference]: Without dead ends: 43 [2020-12-09 06:01:03,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:01:03,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-09 06:01:03,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 23. [2020-12-09 06:01:03,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-12-09 06:01:03,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 39 transitions. [2020-12-09 06:01:03,381 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 39 transitions. Word has length 6 [2020-12-09 06:01:03,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:01:03,381 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 39 transitions. [2020-12-09 06:01:03,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 06:01:03,382 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 39 transitions. [2020-12-09 06:01:03,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-09 06:01:03,382 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:01:03,382 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:01:03,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-09 06:01:03,383 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 06:01:03,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:01:03,383 INFO L82 PathProgramCache]: Analyzing trace with hash -324765394, now seen corresponding path program 1 times [2020-12-09 06:01:03,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:01:03,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229623427] [2020-12-09 06:01:03,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:01:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:01:03,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:01:03,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229623427] [2020-12-09 06:01:03,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:01:03,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 06:01:03,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913358750] [2020-12-09 06:01:03,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 06:01:03,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:01:03,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 06:01:03,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:01:03,433 INFO L87 Difference]: Start difference. First operand 23 states and 39 transitions. Second operand 4 states. [2020-12-09 06:01:03,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:01:03,448 INFO L93 Difference]: Finished difference Result 41 states and 69 transitions. [2020-12-09 06:01:03,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 06:01:03,449 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-12-09 06:01:03,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:01:03,449 INFO L225 Difference]: With dead ends: 41 [2020-12-09 06:01:03,450 INFO L226 Difference]: Without dead ends: 41 [2020-12-09 06:01:03,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:01:03,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-12-09 06:01:03,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 23. [2020-12-09 06:01:03,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-12-09 06:01:03,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 38 transitions. [2020-12-09 06:01:03,453 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 38 transitions. Word has length 7 [2020-12-09 06:01:03,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:01:03,453 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 38 transitions. [2020-12-09 06:01:03,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 06:01:03,454 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2020-12-09 06:01:03,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 06:01:03,454 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:01:03,454 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:01:03,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-09 06:01:03,455 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 06:01:03,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:01:03,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1477578609, now seen corresponding path program 1 times [2020-12-09 06:01:03,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:01:03,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705425146] [2020-12-09 06:01:03,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:01:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:01:03,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:01:03,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705425146] [2020-12-09 06:01:03,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:01:03,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 06:01:03,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533300552] [2020-12-09 06:01:03,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 06:01:03,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:01:03,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 06:01:03,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:01:03,491 INFO L87 Difference]: Start difference. First operand 23 states and 38 transitions. Second operand 4 states. [2020-12-09 06:01:03,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:01:03,503 INFO L93 Difference]: Finished difference Result 39 states and 64 transitions. [2020-12-09 06:01:03,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 06:01:03,504 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-12-09 06:01:03,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:01:03,504 INFO L225 Difference]: With dead ends: 39 [2020-12-09 06:01:03,504 INFO L226 Difference]: Without dead ends: 39 [2020-12-09 06:01:03,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:01:03,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-12-09 06:01:03,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 23. [2020-12-09 06:01:03,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-12-09 06:01:03,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 37 transitions. [2020-12-09 06:01:03,507 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 37 transitions. Word has length 8 [2020-12-09 06:01:03,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:01:03,507 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 37 transitions. [2020-12-09 06:01:03,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 06:01:03,508 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2020-12-09 06:01:03,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 06:01:03,508 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:01:03,508 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:01:03,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-09 06:01:03,508 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 06:01:03,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:01:03,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1439917731, now seen corresponding path program 1 times [2020-12-09 06:01:03,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:01:03,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825612851] [2020-12-09 06:01:03,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:01:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:01:03,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:01:03,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825612851] [2020-12-09 06:01:03,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:01:03,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 06:01:03,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319063803] [2020-12-09 06:01:03,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 06:01:03,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:01:03,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 06:01:03,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:01:03,538 INFO L87 Difference]: Start difference. First operand 23 states and 37 transitions. Second operand 4 states. [2020-12-09 06:01:03,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:01:03,549 INFO L93 Difference]: Finished difference Result 37 states and 59 transitions. [2020-12-09 06:01:03,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 06:01:03,550 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-12-09 06:01:03,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:01:03,550 INFO L225 Difference]: With dead ends: 37 [2020-12-09 06:01:03,551 INFO L226 Difference]: Without dead ends: 37 [2020-12-09 06:01:03,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:01:03,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-12-09 06:01:03,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 23. [2020-12-09 06:01:03,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-12-09 06:01:03,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 36 transitions. [2020-12-09 06:01:03,553 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 36 transitions. Word has length 9 [2020-12-09 06:01:03,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:01:03,553 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 36 transitions. [2020-12-09 06:01:03,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 06:01:03,554 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2020-12-09 06:01:03,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 06:01:03,554 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:01:03,554 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:01:03,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-09 06:01:03,554 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 06:01:03,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:01:03,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1687991396, now seen corresponding path program 1 times [2020-12-09 06:01:03,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:01:03,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328440232] [2020-12-09 06:01:03,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:01:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:01:03,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:01:03,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328440232] [2020-12-09 06:01:03,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:01:03,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 06:01:03,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319005627] [2020-12-09 06:01:03,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 06:01:03,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:01:03,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 06:01:03,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:01:03,583 INFO L87 Difference]: Start difference. First operand 23 states and 36 transitions. Second operand 4 states. [2020-12-09 06:01:03,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:01:03,594 INFO L93 Difference]: Finished difference Result 35 states and 54 transitions. [2020-12-09 06:01:03,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 06:01:03,595 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-12-09 06:01:03,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:01:03,595 INFO L225 Difference]: With dead ends: 35 [2020-12-09 06:01:03,595 INFO L226 Difference]: Without dead ends: 35 [2020-12-09 06:01:03,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:01:03,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-09 06:01:03,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 23. [2020-12-09 06:01:03,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-12-09 06:01:03,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 35 transitions. [2020-12-09 06:01:03,598 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 35 transitions. Word has length 10 [2020-12-09 06:01:03,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:01:03,598 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 35 transitions. [2020-12-09 06:01:03,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 06:01:03,598 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2020-12-09 06:01:03,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 06:01:03,599 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:01:03,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:01:03,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-09 06:01:03,599 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 06:01:03,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:01:03,599 INFO L82 PathProgramCache]: Analyzing trace with hash 788340760, now seen corresponding path program 1 times [2020-12-09 06:01:03,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:01:03,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142186531] [2020-12-09 06:01:03,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:01:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:01:03,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:01:03,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142186531] [2020-12-09 06:01:03,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:01:03,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 06:01:03,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375047589] [2020-12-09 06:01:03,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 06:01:03,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:01:03,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 06:01:03,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:01:03,625 INFO L87 Difference]: Start difference. First operand 23 states and 35 transitions. Second operand 4 states. [2020-12-09 06:01:03,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:01:03,638 INFO L93 Difference]: Finished difference Result 33 states and 49 transitions. [2020-12-09 06:01:03,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 06:01:03,639 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-12-09 06:01:03,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:01:03,639 INFO L225 Difference]: With dead ends: 33 [2020-12-09 06:01:03,639 INFO L226 Difference]: Without dead ends: 33 [2020-12-09 06:01:03,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:01:03,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-09 06:01:03,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 23. [2020-12-09 06:01:03,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-12-09 06:01:03,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 34 transitions. [2020-12-09 06:01:03,643 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 34 transitions. Word has length 11 [2020-12-09 06:01:03,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:01:03,643 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 34 transitions. [2020-12-09 06:01:03,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 06:01:03,643 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2020-12-09 06:01:03,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 06:01:03,644 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:01:03,644 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:01:03,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-09 06:01:03,644 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 06:01:03,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:01:03,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1331024839, now seen corresponding path program 1 times [2020-12-09 06:01:03,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:01:03,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169848327] [2020-12-09 06:01:03,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:01:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:01:03,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:01:03,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169848327] [2020-12-09 06:01:03,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:01:03,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 06:01:03,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566734105] [2020-12-09 06:01:03,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 06:01:03,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:01:03,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 06:01:03,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:01:03,678 INFO L87 Difference]: Start difference. First operand 23 states and 34 transitions. Second operand 4 states. [2020-12-09 06:01:03,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:01:03,690 INFO L93 Difference]: Finished difference Result 31 states and 44 transitions. [2020-12-09 06:01:03,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 06:01:03,690 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-12-09 06:01:03,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:01:03,690 INFO L225 Difference]: With dead ends: 31 [2020-12-09 06:01:03,691 INFO L226 Difference]: Without dead ends: 31 [2020-12-09 06:01:03,691 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:01:03,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-09 06:01:03,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 23. [2020-12-09 06:01:03,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-12-09 06:01:03,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 33 transitions. [2020-12-09 06:01:03,693 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 33 transitions. Word has length 12 [2020-12-09 06:01:03,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:01:03,694 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 33 transitions. [2020-12-09 06:01:03,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 06:01:03,694 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2020-12-09 06:01:03,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 06:01:03,695 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:01:03,695 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:01:03,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-09 06:01:03,695 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 06:01:03,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:01:03,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1688118669, now seen corresponding path program 1 times [2020-12-09 06:01:03,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:01:03,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771157789] [2020-12-09 06:01:03,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:01:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:01:03,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:01:03,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771157789] [2020-12-09 06:01:03,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:01:03,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 06:01:03,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031247686] [2020-12-09 06:01:03,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 06:01:03,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:01:03,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 06:01:03,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:01:03,728 INFO L87 Difference]: Start difference. First operand 23 states and 33 transitions. Second operand 4 states. [2020-12-09 06:01:03,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:01:03,740 INFO L93 Difference]: Finished difference Result 29 states and 39 transitions. [2020-12-09 06:01:03,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 06:01:03,741 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-12-09 06:01:03,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:01:03,741 INFO L225 Difference]: With dead ends: 29 [2020-12-09 06:01:03,741 INFO L226 Difference]: Without dead ends: 29 [2020-12-09 06:01:03,742 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:01:03,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-09 06:01:03,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 23. [2020-12-09 06:01:03,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-12-09 06:01:03,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 32 transitions. [2020-12-09 06:01:03,744 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 32 transitions. Word has length 13 [2020-12-09 06:01:03,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:01:03,744 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 32 transitions. [2020-12-09 06:01:03,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 06:01:03,744 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2020-12-09 06:01:03,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-09 06:01:03,745 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:01:03,745 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:01:03,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-09 06:01:03,745 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 06:01:03,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:01:03,745 INFO L82 PathProgramCache]: Analyzing trace with hash 792287246, now seen corresponding path program 1 times [2020-12-09 06:01:03,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:01:03,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203008094] [2020-12-09 06:01:03,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:01:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:01:03,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:01:03,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203008094] [2020-12-09 06:01:03,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:01:03,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 06:01:03,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147717043] [2020-12-09 06:01:03,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 06:01:03,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:01:03,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 06:01:03,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:01:03,771 INFO L87 Difference]: Start difference. First operand 23 states and 32 transitions. Second operand 4 states. [2020-12-09 06:01:03,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:01:03,782 INFO L93 Difference]: Finished difference Result 23 states and 32 transitions. [2020-12-09 06:01:03,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 06:01:03,783 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-12-09 06:01:03,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:01:03,783 INFO L225 Difference]: With dead ends: 23 [2020-12-09 06:01:03,783 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 06:01:03,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:01:03,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 06:01:03,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 06:01:03,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 06:01:03,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 06:01:03,784 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-12-09 06:01:03,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:01:03,784 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 06:01:03,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 06:01:03,785 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 06:01:03,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 06:01:03,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-09 06:01:03,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:01:03 BoogieIcfgContainer [2020-12-09 06:01:03,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 06:01:03,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 06:01:03,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 06:01:03,790 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 06:01:03,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:01:03" (3/4) ... [2020-12-09 06:01:03,793 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 06:01:03,803 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-12-09 06:01:03,803 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-09 06:01:03,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-09 06:01:03,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 06:01:03,849 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1810c2d3-1e01-416a-8d4b-a666467979da/bin/utaipan/witness.graphml [2020-12-09 06:01:03,849 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 06:01:03,850 INFO L168 Benchmark]: Toolchain (without parser) took 1439.74 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 66.0 MB in the beginning and 81.6 MB in the end (delta: -15.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 16.1 GB. [2020-12-09 06:01:03,850 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 86.0 MB. Free memory is still 60.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 06:01:03,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.26 ms. Allocated memory is still 86.0 MB. Free memory was 65.7 MB in the beginning and 55.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 06:01:03,851 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.17 ms. Allocated memory is still 86.0 MB. Free memory was 55.7 MB in the beginning and 54.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 06:01:03,851 INFO L168 Benchmark]: Boogie Preprocessor took 16.85 ms. Allocated memory is still 86.0 MB. Free memory was 54.1 MB in the beginning and 52.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 06:01:03,851 INFO L168 Benchmark]: RCFGBuilder took 413.37 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 52.7 MB in the beginning and 71.4 MB in the end (delta: -18.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. [2020-12-09 06:01:03,851 INFO L168 Benchmark]: TraceAbstraction took 763.31 ms. Allocated memory is still 107.0 MB. Free memory was 70.7 MB in the beginning and 30.2 MB in the end (delta: 40.5 MB). Peak memory consumption was 40.8 MB. Max. memory is 16.1 GB. [2020-12-09 06:01:03,852 INFO L168 Benchmark]: Witness Printer took 59.31 ms. Allocated memory is still 107.0 MB. Free memory was 30.2 MB in the beginning and 81.6 MB in the end (delta: -51.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 06:01:03,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 86.0 MB. Free memory is still 60.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 156.26 ms. Allocated memory is still 86.0 MB. Free memory was 65.7 MB in the beginning and 55.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 25.17 ms. Allocated memory is still 86.0 MB. Free memory was 55.7 MB in the beginning and 54.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.85 ms. Allocated memory is still 86.0 MB. Free memory was 54.1 MB in the beginning and 52.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 413.37 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 52.7 MB in the beginning and 71.4 MB in the end (delta: -18.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 763.31 ms. Allocated memory is still 107.0 MB. Free memory was 70.7 MB in the beginning and 30.2 MB in the end (delta: 40.5 MB). Peak memory consumption was 40.8 MB. Max. memory is 16.1 GB. * Witness Printer took 59.31 ms. Allocated memory is still 107.0 MB. Free memory was 30.2 MB in the beginning and 81.6 MB in the end (delta: -51.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 149]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 6]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 382 SDtfs, 289 SDslu, 430 SDs, 0 SdLazy, 81 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 104 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 3798 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...