./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/Arrays01-EquivalentConstantIndices-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/Arrays01-EquivalentConstantIndices-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/bin/utaipan-WLngWcDbfI --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 64bit --witnessprinter.graph.data.programhash cf39454d83b4ec00341bd0b620b0fa6b2321ce21 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:27:05,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:05,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:05,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:05,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:05,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:05,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:05,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:05,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:05,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:05,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:05,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:05,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:05,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:05,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:05,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:05,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:05,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:05,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:05,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:05,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:05,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:05,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:05,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:05,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:05,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:05,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:05,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:05,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:05,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:05,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:05,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:05,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:05,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:05,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:05,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:05,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:05,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:05,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:05,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:05,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:05,329 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-11 02:27:05,373 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:05,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:05,374 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:05,374 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:05,374 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:05,374 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:05,375 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:27:05,375 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:05,375 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:05,375 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:27:05,376 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:27:05,376 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:05,376 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:27:05,376 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:27:05,377 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:27:05,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:27:05,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:27:05,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:05,378 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:27:05,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:27:05,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:05,379 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:27:05,379 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:27:05,379 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:27:05,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:05,380 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:05,380 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:05,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:05,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:05,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:05,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:05,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:05,382 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:27:05,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:27:05,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:05,382 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:05,382 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_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf39454d83b4ec00341bd0b620b0fa6b2321ce21 [2021-10-11 02:27:05,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:05,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:05,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:05,742 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:05,743 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:05,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/termination-crafted/Arrays01-EquivalentConstantIndices-1.c [2021-10-11 02:27:05,849 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/bin/utaipan-WLngWcDbfI/data/1ed00fed2/e151e45dcdb24d93bef87822b17d7ef4/FLAGe84b73a3a [2021-10-11 02:27:06,340 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:06,340 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/sv-benchmarks/c/termination-crafted/Arrays01-EquivalentConstantIndices-1.c [2021-10-11 02:27:06,346 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/bin/utaipan-WLngWcDbfI/data/1ed00fed2/e151e45dcdb24d93bef87822b17d7ef4/FLAGe84b73a3a [2021-10-11 02:27:06,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/bin/utaipan-WLngWcDbfI/data/1ed00fed2/e151e45dcdb24d93bef87822b17d7ef4 [2021-10-11 02:27:06,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:06,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:06,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:06,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:06,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:06,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:06" (1/1) ... [2021-10-11 02:27:06,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee642bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:06, skipping insertion in model container [2021-10-11 02:27:06,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:06" (1/1) ... [2021-10-11 02:27:06,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:06,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:06,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:06,955 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:27:06,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:07,017 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:27:07,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:07 WrapperNode [2021-10-11 02:27:07,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:07,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:07,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:27:07,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:27:07,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:07" (1/1) ... [2021-10-11 02:27:07,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:07" (1/1) ... [2021-10-11 02:27:07,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:07,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:27:07,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:27:07,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:27:07,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:07" (1/1) ... [2021-10-11 02:27:07,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:07" (1/1) ... [2021-10-11 02:27:07,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:07" (1/1) ... [2021-10-11 02:27:07,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:07" (1/1) ... [2021-10-11 02:27:07,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:07" (1/1) ... [2021-10-11 02:27:07,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:07" (1/1) ... [2021-10-11 02:27:07,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:07" (1/1) ... [2021-10-11 02:27:07,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:27:07,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:27:07,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:27:07,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:27:07,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:07" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:27:07,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 02:27:07,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:27:07,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:27:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 02:27:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:27:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:27:07,671 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:27:07,671 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-11 02:27:07,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:07 BoogieIcfgContainer [2021-10-11 02:27:07,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:27:07,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:27:07,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:27:07,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:27:07,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:27:06" (1/3) ... [2021-10-11 02:27:07,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@644e2e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:07, skipping insertion in model container [2021-10-11 02:27:07,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:07" (2/3) ... [2021-10-11 02:27:07,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@644e2e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:07, skipping insertion in model container [2021-10-11 02:27:07,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:07" (3/3) ... [2021-10-11 02:27:07,701 INFO L111 eAbstractionObserver]: Analyzing ICFG Arrays01-EquivalentConstantIndices-1.c [2021-10-11 02:27:07,717 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:27:07,721 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2021-10-11 02:27:07,735 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-10-11 02:27:07,780 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:27:07,781 INFO L378 AbstractCegarLoop]: Hoare is false [2021-10-11 02:27:07,781 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:27:07,781 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:27:07,781 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:27:07,781 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:27:07,781 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:27:07,782 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:27:07,800 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2021-10-11 02:27:07,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-11 02:27:07,807 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:07,807 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-11 02:27:07,808 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-10-11 02:27:07,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:07,815 INFO L82 PathProgramCache]: Analyzing trace with hash 75602, now seen corresponding path program 1 times [2021-10-11 02:27:07,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:27:07,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043326423] [2021-10-11 02:27:07,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:27:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:07,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:07,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043326423] [2021-10-11 02:27:07,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:07,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:27:07,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773910864] [2021-10-11 02:27:07,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:27:07,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:27:08,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:27:08,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:08,005 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2021-10-11 02:27:08,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:08,061 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2021-10-11 02:27:08,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:27:08,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2021-10-11 02:27:08,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:08,105 INFO L225 Difference]: With dead ends: 23 [2021-10-11 02:27:08,105 INFO L226 Difference]: Without dead ends: 22 [2021-10-11 02:27:08,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:08,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-10-11 02:27:08,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 19. [2021-10-11 02:27:08,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-10-11 02:27:08,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2021-10-11 02:27:08,147 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 3 [2021-10-11 02:27:08,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:08,148 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2021-10-11 02:27:08,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:27:08,148 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-10-11 02:27:08,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-11 02:27:08,148 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:08,149 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-11 02:27:08,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:27:08,149 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-10-11 02:27:08,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:08,150 INFO L82 PathProgramCache]: Analyzing trace with hash 74319, now seen corresponding path program 1 times [2021-10-11 02:27:08,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:27:08,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438607051] [2021-10-11 02:27:08,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:27:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:08,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:08,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438607051] [2021-10-11 02:27:08,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:08,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-11 02:27:08,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213371291] [2021-10-11 02:27:08,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:27:08,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:27:08,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:27:08,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:08,206 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 3 states. [2021-10-11 02:27:08,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:08,260 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2021-10-11 02:27:08,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:27:08,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2021-10-11 02:27:08,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:08,262 INFO L225 Difference]: With dead ends: 15 [2021-10-11 02:27:08,262 INFO L226 Difference]: Without dead ends: 15 [2021-10-11 02:27:08,263 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 [2021-10-11 02:27:08,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-10-11 02:27:08,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-10-11 02:27:08,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-10-11 02:27:08,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2021-10-11 02:27:08,267 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 3 [2021-10-11 02:27:08,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:08,267 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2021-10-11 02:27:08,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:27:08,268 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2021-10-11 02:27:08,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-11 02:27:08,268 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:08,269 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-11 02:27:08,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:27:08,269 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-10-11 02:27:08,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:08,270 INFO L82 PathProgramCache]: Analyzing trace with hash 74320, now seen corresponding path program 1 times [2021-10-11 02:27:08,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:27:08,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383079807] [2021-10-11 02:27:08,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:27:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:08,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:08,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383079807] [2021-10-11 02:27:08,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:08,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-11 02:27:08,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526227071] [2021-10-11 02:27:08,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:27:08,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:27:08,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:27:08,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:08,329 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 3 states. [2021-10-11 02:27:08,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:08,361 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2021-10-11 02:27:08,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:27:08,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2021-10-11 02:27:08,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:08,363 INFO L225 Difference]: With dead ends: 16 [2021-10-11 02:27:08,363 INFO L226 Difference]: Without dead ends: 16 [2021-10-11 02:27:08,363 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 [2021-10-11 02:27:08,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-10-11 02:27:08,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-11 02:27:08,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-10-11 02:27:08,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2021-10-11 02:27:08,367 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 3 [2021-10-11 02:27:08,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:08,368 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2021-10-11 02:27:08,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:27:08,368 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-10-11 02:27:08,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-11 02:27:08,369 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:08,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-11 02:27:08,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 02:27:08,369 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-10-11 02:27:08,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:08,370 INFO L82 PathProgramCache]: Analyzing trace with hash 71457722, now seen corresponding path program 1 times [2021-10-11 02:27:08,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:27:08,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176888488] [2021-10-11 02:27:08,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:27:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:08,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:08,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176888488] [2021-10-11 02:27:08,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443740525] [2021-10-11 02:27:08,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:27:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:08,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:27:08,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:08,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:08,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:27:08,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:08,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1944295310] [2021-10-11 02:27:08,580 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2021-10-11 02:27:08,580 INFO L166 IcfgInterpreter]: Building call graph [2021-10-11 02:27:08,585 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-11 02:27:08,592 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-11 02:27:08,593 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-11 02:27:09,312 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-11 02:27:09,573 WARN L197 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-10-11 02:27:09,793 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 38 [2021-10-11 02:27:09,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-11 02:27:09,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3, 3] total 8 [2021-10-11 02:27:09,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483298391] [2021-10-11 02:27:09,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:27:09,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:27:09,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:27:09,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:27:09,799 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 5 states. [2021-10-11 02:27:09,963 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-10-11 02:27:10,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:10,012 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2021-10-11 02:27:10,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:27:10,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 5 [2021-10-11 02:27:10,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:10,015 INFO L225 Difference]: With dead ends: 13 [2021-10-11 02:27:10,015 INFO L226 Difference]: Without dead ends: 13 [2021-10-11 02:27:10,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-11 02:27:10,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-10-11 02:27:10,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-10-11 02:27:10,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-11 02:27:10,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2021-10-11 02:27:10,024 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 5 [2021-10-11 02:27:10,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:10,025 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2021-10-11 02:27:10,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:27:10,025 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2021-10-11 02:27:10,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-11 02:27:10,025 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:10,026 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2021-10-11 02:27:10,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-10-11 02:27:10,254 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-10-11 02:27:10,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:10,255 INFO L82 PathProgramCache]: Analyzing trace with hash 71456439, now seen corresponding path program 1 times [2021-10-11 02:27:10,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:27:10,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675788646] [2021-10-11 02:27:10,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:27:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:10,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:10,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675788646] [2021-10-11 02:27:10,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206621680] [2021-10-11 02:27:10,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:27:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:10,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-11 02:27:10,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:10,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:10,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:27:10,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:10,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [46773115] [2021-10-11 02:27:10,486 INFO L159 IcfgInterpreter]: Started Sifa with 4 locations of interest [2021-10-11 02:27:10,487 INFO L166 IcfgInterpreter]: Building call graph [2021-10-11 02:27:10,487 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-11 02:27:10,487 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-11 02:27:10,488 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-11 02:27:10,786 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-11 02:27:11,059 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-10-11 02:27:11,119 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-11 02:27:11,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-10-11 02:27:11,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2021-10-11 02:27:11,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599728216] [2021-10-11 02:27:11,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:27:11,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:27:11,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:27:11,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:27:11,122 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand 6 states. [2021-10-11 02:27:11,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:11,237 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2021-10-11 02:27:11,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:27:11,240 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2021-10-11 02:27:11,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:11,242 INFO L225 Difference]: With dead ends: 29 [2021-10-11 02:27:11,242 INFO L226 Difference]: Without dead ends: 29 [2021-10-11 02:27:11,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-11 02:27:11,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-11 02:27:11,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 19. [2021-10-11 02:27:11,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-10-11 02:27:11,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2021-10-11 02:27:11,250 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 5 [2021-10-11 02:27:11,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:11,251 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2021-10-11 02:27:11,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:27:11,251 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-10-11 02:27:11,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:27:11,253 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:11,253 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:11,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-10-11 02:27:11,486 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-10-11 02:27:11,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:11,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1907209345, now seen corresponding path program 1 times [2021-10-11 02:27:11,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:27:11,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403760181] [2021-10-11 02:27:11,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:27:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:11,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:11,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403760181] [2021-10-11 02:27:11,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919242648] [2021-10-11 02:27:11,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:27:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:11,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:27:11,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:11,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:11,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:27:11,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:11,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2119646386] [2021-10-11 02:27:11,695 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-10-11 02:27:11,696 INFO L166 IcfgInterpreter]: Building call graph [2021-10-11 02:27:11,696 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-11 02:27:11,696 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-11 02:27:11,696 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-11 02:27:12,042 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-11 02:27:12,257 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-10-11 02:27:12,485 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 38 [2021-10-11 02:27:12,674 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 43 [2021-10-11 02:27:12,814 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-11 02:27:12,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-10-11 02:27:12,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-10-11 02:27:12,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434652230] [2021-10-11 02:27:12,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 02:27:12,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:27:12,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 02:27:12,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-10-11 02:27:12,816 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand 8 states. [2021-10-11 02:27:12,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:12,860 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2021-10-11 02:27:12,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:27:12,861 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2021-10-11 02:27:12,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:12,862 INFO L225 Difference]: With dead ends: 23 [2021-10-11 02:27:12,862 INFO L226 Difference]: Without dead ends: 23 [2021-10-11 02:27:12,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-10-11 02:27:12,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-10-11 02:27:12,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-10-11 02:27:12,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-10-11 02:27:12,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2021-10-11 02:27:12,866 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 10 [2021-10-11 02:27:12,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:12,867 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-10-11 02:27:12,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 02:27:12,867 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-10-11 02:27:12,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 02:27:12,867 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:12,868 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1] [2021-10-11 02:27:13,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-10-11 02:27:13,082 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-10-11 02:27:13,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:13,083 INFO L82 PathProgramCache]: Analyzing trace with hash -144260756, now seen corresponding path program 2 times [2021-10-11 02:27:13,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:27:13,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024757297] [2021-10-11 02:27:13,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:27:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:13,223 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:13,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024757297] [2021-10-11 02:27:13,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:13,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:27:13,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571584268] [2021-10-11 02:27:13,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 02:27:13,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:27:13,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 02:27:13,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:27:13,229 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 8 states. [2021-10-11 02:27:13,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:13,285 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2021-10-11 02:27:13,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:27:13,286 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2021-10-11 02:27:13,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:13,288 INFO L225 Difference]: With dead ends: 21 [2021-10-11 02:27:13,288 INFO L226 Difference]: Without dead ends: 21 [2021-10-11 02:27:13,289 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:27:13,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-11 02:27:13,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-11 02:27:13,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-10-11 02:27:13,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2021-10-11 02:27:13,300 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 11 [2021-10-11 02:27:13,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:13,300 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2021-10-11 02:27:13,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 02:27:13,301 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-10-11 02:27:13,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:27:13,302 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:13,302 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:13,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-10-11 02:27:13,302 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2021-10-11 02:27:13,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:13,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1563642653, now seen corresponding path program 2 times [2021-10-11 02:27:13,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:27:13,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888249578] [2021-10-11 02:27:13,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:27:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:13,440 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:13,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888249578] [2021-10-11 02:27:13,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286982081] [2021-10-11 02:27:13,441 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:27:13,483 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-10-11 02:27:13,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-11 02:27:13,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:27:13,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:13,592 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-11 02:27:13,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:27:13,639 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-11 02:27:13,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-10-11 02:27:13,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [8] total 12 [2021-10-11 02:27:13,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505009094] [2021-10-11 02:27:13,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:27:13,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:27:13,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:27:13,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:27:13,641 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 6 states. [2021-10-11 02:27:13,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:13,672 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2021-10-11 02:27:13,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:27:13,673 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2021-10-11 02:27:13,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:13,675 INFO L225 Difference]: With dead ends: 20 [2021-10-11 02:27:13,676 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:27:13,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:27:13,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:27:13,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:27:13,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:27:13,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:27:13,677 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-10-11 02:27:13,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:13,677 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:27:13,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:27:13,678 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:27:13,678 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:27:13,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:27:13,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:27:13 BoogieIcfgContainer [2021-10-11 02:27:13,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:27:13,899 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:27:13,899 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:27:13,900 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:27:13,900 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:07" (3/4) ... [2021-10-11 02:27:13,904 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:27:13,923 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-11 02:27:13,923 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-11 02:27:13,923 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:27:13,965 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2074d02a-6bff-4b25-8723-98922fbca116/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:27:13,965 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:27:13,966 INFO L168 Benchmark]: Toolchain (without parser) took 7227.01 ms. Allocated memory was 88.1 MB in the beginning and 161.5 MB in the end (delta: 73.4 MB). Free memory was 53.9 MB in the beginning and 107.1 MB in the end (delta: -53.2 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:13,967 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory was 60.3 MB in the beginning and 60.3 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:13,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.13 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 53.6 MB in the beginning and 88.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:13,968 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.73 ms. Allocated memory is still 111.1 MB. Free memory was 88.9 MB in the beginning and 87.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:13,968 INFO L168 Benchmark]: Boogie Preprocessor took 63.17 ms. Allocated memory is still 111.1 MB. Free memory was 87.7 MB in the beginning and 86.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:13,968 INFO L168 Benchmark]: RCFGBuilder took 540.09 ms. Allocated memory is still 111.1 MB. Free memory was 86.4 MB in the beginning and 70.7 MB in the end (delta: 15.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:13,969 INFO L168 Benchmark]: TraceAbstraction took 6222.55 ms. Allocated memory was 111.1 MB in the beginning and 161.5 MB in the end (delta: 50.3 MB). Free memory was 70.3 MB in the beginning and 109.2 MB in the end (delta: -38.9 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:13,969 INFO L168 Benchmark]: Witness Printer took 65.84 ms. Allocated memory is still 161.5 MB. Free memory was 109.2 MB in the beginning and 107.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:13,972 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory was 60.3 MB in the beginning and 60.3 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 274.13 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 53.6 MB in the beginning and 88.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.73 ms. Allocated memory is still 111.1 MB. Free memory was 88.9 MB in the beginning and 87.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.17 ms. Allocated memory is still 111.1 MB. Free memory was 87.7 MB in the beginning and 86.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 540.09 ms. Allocated memory is still 111.1 MB. Free memory was 86.4 MB in the beginning and 70.7 MB in the end (delta: 15.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6222.55 ms. Allocated memory was 111.1 MB in the beginning and 161.5 MB in the end (delta: 50.3 MB). Free memory was 70.3 MB in the beginning and 109.2 MB in the end (delta: -38.9 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Witness Printer took 65.84 ms. Allocated memory is still 161.5 MB. Free memory was 109.2 MB in the beginning and 107.1 MB in the end (delta: 2.1 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: 18]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 10]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.1s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 63 SDtfs, 93 SDslu, 59 SDs, 0 SdLazy, 168 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 66 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=6, 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, 8 MinimizatonAttempts, 14 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 96 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 118 ConstructedInterpolants, 1 QuantifiedInterpolants, 10088 SizeOfPredicates, 0 NumberOfNonLiveVariables, 142 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 92/149 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: OVERALL_TIME[ms]: 732, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 5, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 11, TOOLS_POST_TIME[ms]: 407, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 11, TOOLS_QUANTIFIERELIM_TIME[ms]: 398, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 155, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 24, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 81, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 174, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 5, DOMAIN_ISBOTTOM_TIME[ms]: 10, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 444, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 443, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 2, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 8, DAG_COMPRESSION_PROCESSED_NODES: 40, DAG_COMPRESSION_RETAINED_NODES: 18, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...