./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-properties/simple-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/simple-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a8519f8a7c8757a31f412eb366ebcbc8dd5e899d9ff0dd6bfc4f50c36dfb89b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:42:52,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:42:52,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:42:52,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:42:52,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:42:52,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:42:52,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:42:52,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:42:52,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:42:52,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:42:52,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:42:52,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:42:52,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:42:52,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:42:52,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:42:52,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:42:52,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:42:52,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:42:52,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:42:52,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:42:52,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:42:52,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:42:52,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:42:52,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:42:52,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:42:52,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:42:52,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:42:52,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:42:52,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:42:52,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:42:52,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:42:52,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:42:52,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:42:52,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:42:52,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:42:52,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:42:52,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:42:52,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:42:52,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:42:52,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:42:52,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:42:52,895 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2021-10-29 05:42:52,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:42:52,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:42:52,960 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:42:52,960 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:42:52,961 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:42:52,961 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:42:52,961 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:42:52,961 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:42:52,962 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:42:52,962 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:42:52,963 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:42:52,963 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:42:52,964 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:42:52,964 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:42:52,964 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:42:52,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 05:42:52,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 05:42:52,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:42:52,966 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:42:52,966 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:42:52,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:42:52,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:42:52,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:42:52,967 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 05:42:52,967 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 05:42:52,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:42:52,969 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:42:52,970 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:42:52,970 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:42:52,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:42:52,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:42:52,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:42:52,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:42:52,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:42:52,972 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:42:52,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:42:52,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:42:52,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:42:52,973 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_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a8519f8a7c8757a31f412eb366ebcbc8dd5e899d9ff0dd6bfc4f50c36dfb89b [2021-10-29 05:42:53,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:42:53,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:42:53,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:42:53,339 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:42:53,340 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:42:53,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/list-properties/simple-1.i [2021-10-29 05:42:53,428 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/data/6d1a796ad/0e965335243548c6818730ec973a5f82/FLAG904188131 [2021-10-29 05:42:54,084 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:42:54,085 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/sv-benchmarks/c/list-properties/simple-1.i [2021-10-29 05:42:54,100 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/data/6d1a796ad/0e965335243548c6818730ec973a5f82/FLAG904188131 [2021-10-29 05:42:54,350 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/data/6d1a796ad/0e965335243548c6818730ec973a5f82 [2021-10-29 05:42:54,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:42:54,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:42:54,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:42:54,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:42:54,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:42:54,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:42:54" (1/1) ... [2021-10-29 05:42:54,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9fc8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:42:54, skipping insertion in model container [2021-10-29 05:42:54,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:42:54" (1/1) ... [2021-10-29 05:42:54,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:42:54,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:42:54,842 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/sv-benchmarks/c/list-properties/simple-1.i[23237,23250] [2021-10-29 05:42:54,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:42:54,858 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:42:54,896 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/sv-benchmarks/c/list-properties/simple-1.i[23237,23250] [2021-10-29 05:42:54,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:42:54,945 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:42:54,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:42:54 WrapperNode [2021-10-29 05:42:54,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:42:54,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:42:54,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:42:54,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:42:54,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:42:54" (1/1) ... [2021-10-29 05:42:54,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:42:54" (1/1) ... [2021-10-29 05:42:55,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:42:55,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:42:55,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:42:55,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:42:55,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:42:54" (1/1) ... [2021-10-29 05:42:55,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:42:54" (1/1) ... [2021-10-29 05:42:55,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:42:54" (1/1) ... [2021-10-29 05:42:55,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:42:54" (1/1) ... [2021-10-29 05:42:55,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:42:54" (1/1) ... [2021-10-29 05:42:55,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:42:54" (1/1) ... [2021-10-29 05:42:55,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:42:54" (1/1) ... [2021-10-29 05:42:55,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:42:55,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:42:55,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:42:55,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:42:55,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:42:54" (1/1) ... [2021-10-29 05:42:55,079 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:42:55,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:42:55,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:42:55,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:42:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 05:42:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 05:42:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 05:42:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 05:42:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:42:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 05:42:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 05:42:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:42:55,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:42:55,617 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:42:55,617 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-29 05:42:55,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:42:55 BoogieIcfgContainer [2021-10-29 05:42:55,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:42:55,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:42:55,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:42:55,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:42:55,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:42:54" (1/3) ... [2021-10-29 05:42:55,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e47a716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:42:55, skipping insertion in model container [2021-10-29 05:42:55,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:42:54" (2/3) ... [2021-10-29 05:42:55,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e47a716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:42:55, skipping insertion in model container [2021-10-29 05:42:55,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:42:55" (3/3) ... [2021-10-29 05:42:55,629 INFO L111 eAbstractionObserver]: Analyzing ICFG simple-1.i [2021-10-29 05:42:55,635 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:42:55,635 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-10-29 05:42:55,696 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:42:55,703 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:42:55,703 INFO L340 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2021-10-29 05:42:55,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 19 states have (on average 2.263157894736842) internal successors, (43), 37 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:55,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 05:42:55,725 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:42:55,726 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-29 05:42:55,727 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 14 more)] === [2021-10-29 05:42:55,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:42:55,738 INFO L85 PathProgramCache]: Analyzing trace with hash 119176, now seen corresponding path program 1 times [2021-10-29 05:42:55,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:42:55,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130666517] [2021-10-29 05:42:55,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:42:55,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:42:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:42:55,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:42:55,953 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:42:55,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130666517] [2021-10-29 05:42:55,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130666517] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:42:55,956 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:42:55,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-29 05:42:55,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308072040] [2021-10-29 05:42:55,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:42:55,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:42:55,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:42:55,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:42:55,998 INFO L87 Difference]: Start difference. First operand has 38 states, 19 states have (on average 2.263157894736842) internal successors, (43), 37 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:56,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:42:56,088 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2021-10-29 05:42:56,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:42:56,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-10-29 05:42:56,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:42:56,100 INFO L225 Difference]: With dead ends: 37 [2021-10-29 05:42:56,100 INFO L226 Difference]: Without dead ends: 34 [2021-10-29 05:42:56,104 INFO L786 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 [2021-10-29 05:42:56,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-10-29 05:42:56,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-10-29 05:42:56,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 33 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:56,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2021-10-29 05:42:56,143 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 3 [2021-10-29 05:42:56,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:42:56,143 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2021-10-29 05:42:56,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:56,144 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2021-10-29 05:42:56,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 05:42:56,144 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:42:56,145 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-29 05:42:56,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 05:42:56,145 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 14 more)] === [2021-10-29 05:42:56,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:42:56,149 INFO L85 PathProgramCache]: Analyzing trace with hash 119177, now seen corresponding path program 1 times [2021-10-29 05:42:56,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:42:56,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815711649] [2021-10-29 05:42:56,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:42:56,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:42:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:42:56,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:42:56,254 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:42:56,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815711649] [2021-10-29 05:42:56,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815711649] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:42:56,255 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:42:56,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-29 05:42:56,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139105735] [2021-10-29 05:42:56,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:42:56,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:42:56,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:42:56,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:42:56,260 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:56,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:42:56,314 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2021-10-29 05:42:56,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:42:56,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-10-29 05:42:56,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:42:56,319 INFO L225 Difference]: With dead ends: 33 [2021-10-29 05:42:56,319 INFO L226 Difference]: Without dead ends: 33 [2021-10-29 05:42:56,321 INFO L786 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 [2021-10-29 05:42:56,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-29 05:42:56,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-29 05:42:56,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 17 states have (on average 2.0) internal successors, (34), 32 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:56,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2021-10-29 05:42:56,331 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 3 [2021-10-29 05:42:56,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:42:56,331 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2021-10-29 05:42:56,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:56,332 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2021-10-29 05:42:56,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 05:42:56,332 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:42:56,333 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-29 05:42:56,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 05:42:56,337 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 14 more)] === [2021-10-29 05:42:56,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:42:56,340 INFO L85 PathProgramCache]: Analyzing trace with hash -744606876, now seen corresponding path program 1 times [2021-10-29 05:42:56,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:42:56,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463960370] [2021-10-29 05:42:56,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:42:56,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:42:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:42:56,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:42:56,470 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:42:56,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463960370] [2021-10-29 05:42:56,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463960370] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:42:56,470 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:42:56,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 05:42:56,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661537490] [2021-10-29 05:42:56,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:42:56,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:42:56,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:42:56,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:42:56,473 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:56,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:42:56,646 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2021-10-29 05:42:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:42:56,648 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-29 05:42:56,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:42:56,652 INFO L225 Difference]: With dead ends: 58 [2021-10-29 05:42:56,652 INFO L226 Difference]: Without dead ends: 58 [2021-10-29 05:42:56,653 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:42:56,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-10-29 05:42:56,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 36. [2021-10-29 05:42:56,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 24 states have (on average 1.7916666666666667) internal successors, (43), 35 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:56,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 43 transitions. [2021-10-29 05:42:56,665 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 43 transitions. Word has length 6 [2021-10-29 05:42:56,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:42:56,665 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 43 transitions. [2021-10-29 05:42:56,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:56,666 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2021-10-29 05:42:56,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 05:42:56,667 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:42:56,667 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-29 05:42:56,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-29 05:42:56,667 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 14 more)] === [2021-10-29 05:42:56,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:42:56,669 INFO L85 PathProgramCache]: Analyzing trace with hash -744606875, now seen corresponding path program 1 times [2021-10-29 05:42:56,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:42:56,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51890780] [2021-10-29 05:42:56,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:42:56,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:42:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:42:56,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:42:56,747 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:42:56,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51890780] [2021-10-29 05:42:56,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51890780] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:42:56,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:42:56,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 05:42:56,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537822635] [2021-10-29 05:42:56,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:42:56,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:42:56,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:42:56,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:42:56,750 INFO L87 Difference]: Start difference. First operand 36 states and 43 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:56,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:42:56,844 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2021-10-29 05:42:56,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:42:56,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-29 05:42:56,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:42:56,848 INFO L225 Difference]: With dead ends: 48 [2021-10-29 05:42:56,848 INFO L226 Difference]: Without dead ends: 48 [2021-10-29 05:42:56,850 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:42:56,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-10-29 05:42:56,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 43. [2021-10-29 05:42:56,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.5806451612903225) internal successors, (49), 42 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:56,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2021-10-29 05:42:56,861 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 6 [2021-10-29 05:42:56,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:42:56,862 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2021-10-29 05:42:56,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:56,863 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2021-10-29 05:42:56,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 05:42:56,863 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:42:56,864 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:42:56,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-29 05:42:56,864 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 14 more)] === [2021-10-29 05:42:56,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:42:56,865 INFO L85 PathProgramCache]: Analyzing trace with hash 922698728, now seen corresponding path program 1 times [2021-10-29 05:42:56,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:42:56,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742912401] [2021-10-29 05:42:56,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:42:56,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:42:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:42:56,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:42:56,932 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:42:56,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742912401] [2021-10-29 05:42:56,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742912401] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:42:56,933 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:42:56,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 05:42:56,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440212451] [2021-10-29 05:42:56,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:42:56,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:42:56,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:42:56,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:42:56,935 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:56,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:42:56,999 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2021-10-29 05:42:56,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:42:56,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-29 05:42:57,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:42:57,000 INFO L225 Difference]: With dead ends: 46 [2021-10-29 05:42:57,000 INFO L226 Difference]: Without dead ends: 46 [2021-10-29 05:42:57,001 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:42:57,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-10-29 05:42:57,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2021-10-29 05:42:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.5161290322580645) internal successors, (47), 42 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:57,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2021-10-29 05:42:57,011 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 9 [2021-10-29 05:42:57,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:42:57,011 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2021-10-29 05:42:57,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:57,012 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2021-10-29 05:42:57,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 05:42:57,013 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:42:57,013 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:42:57,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-29 05:42:57,013 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 14 more)] === [2021-10-29 05:42:57,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:42:57,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1949153880, now seen corresponding path program 1 times [2021-10-29 05:42:57,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:42:57,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425486012] [2021-10-29 05:42:57,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:42:57,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:42:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:42:57,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:42:57,173 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:42:57,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425486012] [2021-10-29 05:42:57,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425486012] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:42:57,174 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:42:57,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-29 05:42:57,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820046666] [2021-10-29 05:42:57,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:42:57,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:42:57,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:42:57,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:42:57,183 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:57,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:42:57,318 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2021-10-29 05:42:57,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:42:57,319 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-29 05:42:57,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:42:57,322 INFO L225 Difference]: With dead ends: 48 [2021-10-29 05:42:57,322 INFO L226 Difference]: Without dead ends: 48 [2021-10-29 05:42:57,323 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:42:57,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-10-29 05:42:57,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2021-10-29 05:42:57,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.5) internal successors, (48), 43 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:57,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2021-10-29 05:42:57,332 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 11 [2021-10-29 05:42:57,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:42:57,332 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2021-10-29 05:42:57,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:57,332 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2021-10-29 05:42:57,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 05:42:57,333 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:42:57,333 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:42:57,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-29 05:42:57,334 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 14 more)] === [2021-10-29 05:42:57,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:42:57,334 INFO L85 PathProgramCache]: Analyzing trace with hash 803452605, now seen corresponding path program 1 times [2021-10-29 05:42:57,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:42:57,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481756571] [2021-10-29 05:42:57,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:42:57,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:42:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:42:57,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:42:57,435 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:42:57,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481756571] [2021-10-29 05:42:57,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481756571] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:42:57,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:42:57,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-29 05:42:57,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032828196] [2021-10-29 05:42:57,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:42:57,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:42:57,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:42:57,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:42:57,437 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:57,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:42:57,558 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2021-10-29 05:42:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:42:57,561 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-29 05:42:57,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:42:57,562 INFO L225 Difference]: With dead ends: 54 [2021-10-29 05:42:57,562 INFO L226 Difference]: Without dead ends: 54 [2021-10-29 05:42:57,563 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:42:57,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-10-29 05:42:57,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 42. [2021-10-29 05:42:57,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 32 states have (on average 1.4375) internal successors, (46), 41 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:57,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2021-10-29 05:42:57,578 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 12 [2021-10-29 05:42:57,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:42:57,579 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2021-10-29 05:42:57,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:57,579 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2021-10-29 05:42:57,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 05:42:57,580 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:42:57,580 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:42:57,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-29 05:42:57,581 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 14 more)] === [2021-10-29 05:42:57,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:42:57,581 INFO L85 PathProgramCache]: Analyzing trace with hash 803452606, now seen corresponding path program 1 times [2021-10-29 05:42:57,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:42:57,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981983963] [2021-10-29 05:42:57,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:42:57,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:42:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:42:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:42:57,715 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:42:57,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981983963] [2021-10-29 05:42:57,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981983963] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:42:57,715 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:42:57,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-29 05:42:57,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304804410] [2021-10-29 05:42:57,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:42:57,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:42:57,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:42:57,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:42:57,717 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:57,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:42:57,863 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2021-10-29 05:42:57,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:42:57,864 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-29 05:42:57,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:42:57,865 INFO L225 Difference]: With dead ends: 49 [2021-10-29 05:42:57,865 INFO L226 Difference]: Without dead ends: 49 [2021-10-29 05:42:57,866 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:42:57,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-29 05:42:57,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 33. [2021-10-29 05:42:57,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 32 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:57,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2021-10-29 05:42:57,869 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 12 [2021-10-29 05:42:57,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:42:57,870 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2021-10-29 05:42:57,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:42:57,870 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2021-10-29 05:42:57,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 05:42:57,871 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:42:57,872 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:42:57,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-29 05:42:57,872 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 14 more)] === [2021-10-29 05:42:57,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:42:57,872 INFO L85 PathProgramCache]: Analyzing trace with hash 531308682, now seen corresponding path program 1 times [2021-10-29 05:42:57,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:42:57,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389138090] [2021-10-29 05:42:57,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:42:57,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:42:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:42:58,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:42:58,011 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:42:58,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389138090] [2021-10-29 05:42:58,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389138090] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 05:42:58,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829415595] [2021-10-29 05:42:58,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:42:58,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:42:58,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:42:58,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 05:42:58,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-29 05:42:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:42:58,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-29 05:42:58,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:42:58,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-29 05:42:58,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-29 05:42:58,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-10-29 05:42:58,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-10-29 05:42:58,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:42:58,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:42:58,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 56 [2021-10-29 05:42:58,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2021-10-29 05:42:58,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:42:58,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829415595] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:42:58,951 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1787075641] [2021-10-29 05:42:58,978 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-10-29 05:42:58,978 INFO L166 IcfgInterpreter]: Building call graph [2021-10-29 05:42:58,983 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-29 05:42:58,990 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-29 05:42:58,994 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-29 05:42:59,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,043 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:42:59,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:42:59,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:42:59,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-10-29 05:42:59,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-10-29 05:42:59,097 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_40|], 21=[|v_#valid_45|]} [2021-10-29 05:42:59,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:42:59,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:42:59,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:42:59,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-29 05:42:59,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 05:42:59,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 05:42:59,117 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:42:59,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:42:59,144 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:42:59,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:42:59,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:42:59,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:42:59,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:42:59,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:42:59,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:42:59,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:42:59,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:42:59,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 50 [2021-10-29 05:42:59,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-10-29 05:42:59,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-10-29 05:42:59,189 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:42:59,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:42:59,197 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-10-29 05:42:59,203 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:42:59,203 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:128, output treesize:111 [2021-10-29 05:42:59,219 INFO L180 QuantifierPusher]: treesize reduction 12, result has 93.3 percent of original size [2021-10-29 05:42:59,220 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:42:59,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:42:59,227 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:42:59,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:42:59,230 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:42:59,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-10-29 05:42:59,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-10-29 05:42:59,251 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_29|, |v_#memory_$Pointer$.offset_29|], 6=[|v_#memory_int_26|]} [2021-10-29 05:42:59,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-10-29 05:42:59,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:42:59,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:42:59,268 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:42:59,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:42:59,285 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-10-29 05:42:59,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:42:59,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:42:59,296 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:42:59,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:42:59,312 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:42:59,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:42:59,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-10-29 05:42:59,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:42:59,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:42:59,333 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-29 05:42:59,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:42:59,353 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-10-29 05:42:59,362 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:42:59,363 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:165, output treesize:131 [2021-10-29 05:42:59,373 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.4 percent of original size [2021-10-29 05:42:59,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-10-29 05:42:59,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,390 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:42:59,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:42:59,393 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:42:59,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-29 05:42:59,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:42:59,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:42:59,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-10-29 05:42:59,408 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_30|, |v_#memory_$Pointer$.offset_30|], 12=[|v_#memory_int_27|]} [2021-10-29 05:42:59,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-10-29 05:42:59,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:42:59,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:42:59,420 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:42:59,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:42:59,433 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-10-29 05:42:59,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:42:59,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:42:59,444 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:42:59,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:42:59,456 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:42:59,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:42:59,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2021-10-29 05:42:59,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:42:59,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:42:59,479 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-29 05:42:59,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:42:59,487 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-10-29 05:42:59,499 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:42:59,500 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:187, output treesize:146 [2021-10-29 05:42:59,517 INFO L180 QuantifierPusher]: treesize reduction 12, result has 94.3 percent of original size [2021-10-29 05:42:59,526 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:42:59,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-10-29 05:42:59,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:42:59,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-10-29 05:42:59,530 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:42:59,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-10-29 05:42:59,540 INFO L185 QuantifierPusher]: treesize reduction 10, result has 94.7 percent of original size 180 [2021-10-29 05:42:59,546 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_31|, |v_#memory_$Pointer$.offset_31|], 12=[|v_#memory_int_28|]} [2021-10-29 05:42:59,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-29 05:42:59,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-29 05:42:59,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-29 05:42:59,559 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:42:59,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:42:59,573 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-29 05:42:59,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-29 05:42:59,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-29 05:42:59,585 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:42:59,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:42:59,592 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:42:59,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:42:59,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:42:59,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-10-29 05:42:59,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:42:59,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:42:59,612 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-29 05:42:59,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:42:59,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,631 INFO L180 QuantifierPusher]: treesize reduction 10, result has 93.7 percent of original size [2021-10-29 05:42:59,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-10-29 05:42:59,635 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:42:59,635 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:186, output treesize:149 [2021-10-29 05:42:59,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-10-29 05:42:59,664 INFO L180 QuantifierPusher]: treesize reduction 12, result has 94.3 percent of original size [2021-10-29 05:42:59,673 INFO L185 QuantifierPusher]: treesize reduction 12, result has 93.1 percent of original size 161 [2021-10-29 05:42:59,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:42:59,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-10-29 05:42:59,704 INFO L180 QuantifierPusher]: treesize reduction 12, result has 94.3 percent of original size [2021-10-29 05:42:59,711 INFO L185 QuantifierPusher]: treesize reduction 12, result has 93.1 percent of original size 161 [2021-10-29 05:42:59,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:42:59,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:42:59,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:42:59,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:42:59,815 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-29 05:43:01,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1787075641] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:43:01,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-29 05:43:01,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5, 7, 7] total 19 [2021-10-29 05:43:01,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919599832] [2021-10-29 05:43:01,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-29 05:43:01,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:43:01,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-29 05:43:01,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2021-10-29 05:43:01,436 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:43:01,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:43:01,605 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2021-10-29 05:43:01,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:43:01,606 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-29 05:43:01,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:43:01,607 INFO L225 Difference]: With dead ends: 46 [2021-10-29 05:43:01,607 INFO L226 Difference]: Without dead ends: 46 [2021-10-29 05:43:01,607 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2021-10-29 05:43:01,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-10-29 05:43:01,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 35. [2021-10-29 05:43:01,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 30 states have (on average 1.3) internal successors, (39), 34 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:43:01,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2021-10-29 05:43:01,610 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 13 [2021-10-29 05:43:01,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:43:01,610 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2021-10-29 05:43:01,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:43:01,610 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2021-10-29 05:43:01,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 05:43:01,611 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:43:01,611 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:43:01,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:43:01,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:43:01,812 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 14 more)] === [2021-10-29 05:43:01,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:43:01,812 INFO L85 PathProgramCache]: Analyzing trace with hash 531309787, now seen corresponding path program 1 times [2021-10-29 05:43:01,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:43:01,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269897066] [2021-10-29 05:43:01,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:43:01,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:43:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:43:01,830 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 05:43:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:43:01,868 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-29 05:43:01,868 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 05:43:01,869 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK [2021-10-29 05:43:01,871 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-29 05:43:01,872 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-29 05:43:01,872 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION [2021-10-29 05:43:01,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION [2021-10-29 05:43:01,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION [2021-10-29 05:43:01,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION [2021-10-29 05:43:01,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION [2021-10-29 05:43:01,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION [2021-10-29 05:43:01,874 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-29 05:43:01,874 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-29 05:43:01,875 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATION [2021-10-29 05:43:01,875 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATION [2021-10-29 05:43:01,876 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATION [2021-10-29 05:43:01,876 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATION [2021-10-29 05:43:01,876 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK [2021-10-29 05:43:01,876 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATION [2021-10-29 05:43:01,877 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATION [2021-10-29 05:43:01,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-29 05:43:01,880 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:43:01,885 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:43:01,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:43:01 BoogieIcfgContainer [2021-10-29 05:43:01,916 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:43:01,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:43:01,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:43:01,917 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:43:01,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:42:55" (3/4) ... [2021-10-29 05:43:01,919 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 05:43:01,979 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:43:01,980 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:43:01,981 INFO L168 Benchmark]: Toolchain (without parser) took 7624.57 ms. Allocated memory was 94.4 MB in the beginning and 165.7 MB in the end (delta: 71.3 MB). Free memory was 63.9 MB in the beginning and 130.0 MB in the end (delta: -66.1 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:43:01,981 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory was 64.2 MB in the beginning and 64.1 MB in the end (delta: 52.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:43:01,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.82 ms. Allocated memory is still 94.4 MB. Free memory was 63.7 MB in the beginning and 47.9 MB in the end (delta: 15.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:43:01,983 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.55 ms. Allocated memory is still 94.4 MB. Free memory was 47.9 MB in the beginning and 46.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:43:01,983 INFO L168 Benchmark]: Boogie Preprocessor took 58.96 ms. Allocated memory was 94.4 MB in the beginning and 136.3 MB in the end (delta: 41.9 MB). Free memory was 46.1 MB in the beginning and 113.8 MB in the end (delta: -67.7 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:43:01,983 INFO L168 Benchmark]: RCFGBuilder took 550.87 ms. Allocated memory is still 136.3 MB. Free memory was 113.8 MB in the beginning and 100.0 MB in the end (delta: 13.7 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:43:01,984 INFO L168 Benchmark]: TraceAbstraction took 6293.72 ms. Allocated memory was 136.3 MB in the beginning and 165.7 MB in the end (delta: 29.4 MB). Free memory was 99.6 MB in the beginning and 132.1 MB in the end (delta: -32.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:43:01,984 INFO L168 Benchmark]: Witness Printer took 63.56 ms. Allocated memory is still 165.7 MB. Free memory was 132.1 MB in the beginning and 130.0 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:43:01,986 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory was 64.2 MB in the beginning and 64.1 MB in the end (delta: 52.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 585.82 ms. Allocated memory is still 94.4 MB. Free memory was 63.7 MB in the beginning and 47.9 MB in the end (delta: 15.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.55 ms. Allocated memory is still 94.4 MB. Free memory was 47.9 MB in the beginning and 46.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.96 ms. Allocated memory was 94.4 MB in the beginning and 136.3 MB in the end (delta: 41.9 MB). Free memory was 46.1 MB in the beginning and 113.8 MB in the end (delta: -67.7 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 550.87 ms. Allocated memory is still 136.3 MB. Free memory was 113.8 MB in the beginning and 100.0 MB in the end (delta: 13.7 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6293.72 ms. Allocated memory was 136.3 MB in the beginning and 165.7 MB in the end (delta: 29.4 MB). Free memory was 99.6 MB in the beginning and 132.1 MB in the end (delta: -32.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 63.56 ms. Allocated memory is still 165.7 MB. Free memory was 132.1 MB in the beginning and 130.0 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 531]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L532] List a = (List) malloc(sizeof(struct node)); [L533] COND FALSE !(a == 0) [L534] List t; [L535] List p = a; [L536] a->h = 2 [L537] COND FALSE !(__VERIFIER_nondet_int()) [L544] p->h = 2 [L545] p->n = 0 [L546] p = a [L547] COND TRUE p!=0 [L548] EXPR p->h [L548] COND FALSE !(p->h != 2) [L551] EXPR p->n [L551] p = p->n [L547] COND FALSE !(p!=0) [L553] return 0; - UnprovableResult [Line: 536]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 536]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 538]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 538]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 542]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 542]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 544]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 544]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 545]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 545]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 551]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 551]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 324 SDslu, 145 SDs, 0 SdLazy, 462 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 27 SyntacticMatches, 5 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=6, InterpolantAutomatonStates: 46, 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, 9 MinimizatonAttempts, 73 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 793 SizeOfPredicates, 6 NumberOfNonLiveVariables, 85 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 7/10 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]: 838, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 13, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 17, TOOLS_POST_TIME[ms]: 645, 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: 17, TOOLS_QUANTIFIERELIM_TIME[ms]: 636, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 166, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 33, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 1, DOMAIN_JOIN_TIME[ms]: 99, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 13, DOMAIN_ISBOTTOM_TIME[ms]: 23, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 39, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 38, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, 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]: 3, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 127, DAG_COMPRESSION_RETAINED_NODES: 35, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-29 05:43:02,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74cc9766-f9c6-4c99-a294-74110d63e438/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...