./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/20051113-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/20051113-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d36d26165afa8180a6be8f6ea0f5d349205c840 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/20051113-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d36d26165afa8180a6be8f6ea0f5d349205c840 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 19:07:19,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 19:07:19,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 19:07:19,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 19:07:19,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 19:07:19,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 19:07:19,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 19:07:19,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 19:07:19,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 19:07:19,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 19:07:19,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 19:07:19,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 19:07:19,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 19:07:19,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 19:07:19,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 19:07:19,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 19:07:19,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 19:07:19,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 19:07:19,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 19:07:19,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 19:07:19,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 19:07:19,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 19:07:19,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 19:07:20,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 19:07:20,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 19:07:20,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 19:07:20,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 19:07:20,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 19:07:20,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 19:07:20,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 19:07:20,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 19:07:20,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 19:07:20,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 19:07:20,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 19:07:20,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 19:07:20,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 19:07:20,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 19:07:20,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 19:07:20,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 19:07:20,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 19:07:20,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 19:07:20,010 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2020-12-09 19:07:20,027 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 19:07:20,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 19:07:20,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 19:07:20,027 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 19:07:20,028 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 19:07:20,028 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 19:07:20,028 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 19:07:20,028 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 19:07:20,028 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 19:07:20,028 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 19:07:20,028 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 19:07:20,028 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 19:07:20,028 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 19:07:20,029 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 19:07:20,029 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 19:07:20,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 19:07:20,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 19:07:20,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 19:07:20,029 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 19:07:20,030 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 19:07:20,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 19:07:20,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 19:07:20,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 19:07:20,030 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 19:07:20,030 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 19:07:20,030 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 19:07:20,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 19:07:20,030 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 19:07:20,031 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 19:07:20,031 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 19:07:20,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 19:07:20,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 19:07:20,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:07:20,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 19:07:20,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 19:07:20,031 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 19:07:20,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 19:07:20,031 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 19:07:20,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 19:07:20,032 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d36d26165afa8180a6be8f6ea0f5d349205c840 [2020-12-09 19:07:20,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 19:07:20,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 19:07:20,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 19:07:20,225 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 19:07:20,226 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 19:07:20,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/../../sv-benchmarks/c/memsafety/20051113-1.i [2020-12-09 19:07:20,271 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/data/9ffba9b16/d8de6f74f79347eb8287abb6311f0971/FLAG2bd67781d [2020-12-09 19:07:20,737 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 19:07:20,737 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/sv-benchmarks/c/memsafety/20051113-1.i [2020-12-09 19:07:20,746 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/data/9ffba9b16/d8de6f74f79347eb8287abb6311f0971/FLAG2bd67781d [2020-12-09 19:07:21,252 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/data/9ffba9b16/d8de6f74f79347eb8287abb6311f0971 [2020-12-09 19:07:21,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 19:07:21,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 19:07:21,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 19:07:21,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 19:07:21,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 19:07:21,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:07:21" (1/1) ... [2020-12-09 19:07:21,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34bb08ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:21, skipping insertion in model container [2020-12-09 19:07:21,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:07:21" (1/1) ... [2020-12-09 19:07:21,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 19:07:21,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 19:07:21,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:07:21,473 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 19:07:21,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:07:21,539 INFO L208 MainTranslator]: Completed translation [2020-12-09 19:07:21,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:21 WrapperNode [2020-12-09 19:07:21,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 19:07:21,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 19:07:21,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 19:07:21,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 19:07:21,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:21" (1/1) ... [2020-12-09 19:07:21,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:21" (1/1) ... [2020-12-09 19:07:21,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 19:07:21,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 19:07:21,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 19:07:21,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 19:07:21,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:21" (1/1) ... [2020-12-09 19:07:21,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:21" (1/1) ... [2020-12-09 19:07:21,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:21" (1/1) ... [2020-12-09 19:07:21,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:21" (1/1) ... [2020-12-09 19:07:21,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:21" (1/1) ... [2020-12-09 19:07:21,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:21" (1/1) ... [2020-12-09 19:07:21,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:21" (1/1) ... [2020-12-09 19:07:21,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 19:07:21,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 19:07:21,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 19:07:21,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 19:07:21,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:07:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 19:07:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 19:07:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 19:07:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 19:07:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 19:07:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 19:07:21,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 19:07:22,008 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 19:07:22,009 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-09 19:07:22,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:07:22 BoogieIcfgContainer [2020-12-09 19:07:22,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 19:07:22,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 19:07:22,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 19:07:22,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 19:07:22,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:07:21" (1/3) ... [2020-12-09 19:07:22,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1144b2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:07:22, skipping insertion in model container [2020-12-09 19:07:22,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:21" (2/3) ... [2020-12-09 19:07:22,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1144b2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:07:22, skipping insertion in model container [2020-12-09 19:07:22,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:07:22" (3/3) ... [2020-12-09 19:07:22,018 INFO L111 eAbstractionObserver]: Analyzing ICFG 20051113-1.i [2020-12-09 19:07:22,030 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 19:07:22,033 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 25 error locations. [2020-12-09 19:07:22,040 INFO L253 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2020-12-09 19:07:22,054 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 19:07:22,054 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-09 19:07:22,054 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 19:07:22,054 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 19:07:22,054 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 19:07:22,054 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 19:07:22,055 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 19:07:22,055 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 19:07:22,064 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2020-12-09 19:07:22,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-09 19:07:22,068 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:22,069 INFO L422 BasicCegarLoop]: trace histogram [1, 1] [2020-12-09 19:07:22,069 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:22,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:22,073 INFO L82 PathProgramCache]: Analyzing trace with hash 4157, now seen corresponding path program 1 times [2020-12-09 19:07:22,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:22,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508245619] [2020-12-09 19:07:22,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:22,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:07:22,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508245619] [2020-12-09 19:07:22,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:07:22,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-09 19:07:22,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606283039] [2020-12-09 19:07:22,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:07:22,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:07:22,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:07:22,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:07:22,206 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 3 states. [2020-12-09 19:07:22,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:07:22,251 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2020-12-09 19:07:22,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:07:22,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2020-12-09 19:07:22,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:07:22,257 INFO L225 Difference]: With dead ends: 45 [2020-12-09 19:07:22,258 INFO L226 Difference]: Without dead ends: 44 [2020-12-09 19:07:22,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:07:22,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-12-09 19:07:22,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-12-09 19:07:22,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-12-09 19:07:22,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2020-12-09 19:07:22,281 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 2 [2020-12-09 19:07:22,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:07:22,281 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2020-12-09 19:07:22,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:07:22,281 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2020-12-09 19:07:22,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-09 19:07:22,282 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:22,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-09 19:07:22,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 19:07:22,282 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:22,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:22,283 INFO L82 PathProgramCache]: Analyzing trace with hash 128903, now seen corresponding path program 1 times [2020-12-09 19:07:22,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:22,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159883855] [2020-12-09 19:07:22,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:22,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:07:22,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159883855] [2020-12-09 19:07:22,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:07:22,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-09 19:07:22,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611112696] [2020-12-09 19:07:22,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:07:22,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:07:22,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:07:22,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:07:22,322 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 3 states. [2020-12-09 19:07:22,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:07:22,355 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2020-12-09 19:07:22,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:07:22,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-09 19:07:22,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:07:22,356 INFO L225 Difference]: With dead ends: 43 [2020-12-09 19:07:22,356 INFO L226 Difference]: Without dead ends: 43 [2020-12-09 19:07:22,357 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:07:22,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-09 19:07:22,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-12-09 19:07:22,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-09 19:07:22,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2020-12-09 19:07:22,360 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 3 [2020-12-09 19:07:22,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:07:22,360 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2020-12-09 19:07:22,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:07:22,361 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2020-12-09 19:07:22,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 19:07:22,361 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:22,361 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 19:07:22,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 19:07:22,361 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:22,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:22,362 INFO L82 PathProgramCache]: Analyzing trace with hash 123880015, now seen corresponding path program 1 times [2020-12-09 19:07:22,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:22,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040273193] [2020-12-09 19:07:22,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:22,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:07:22,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040273193] [2020-12-09 19:07:22,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:07:22,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 19:07:22,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977974530] [2020-12-09 19:07:22,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 19:07:22,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:07:22,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 19:07:22,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 19:07:22,392 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 4 states. [2020-12-09 19:07:22,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:07:22,404 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2020-12-09 19:07:22,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 19:07:22,404 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-12-09 19:07:22,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:07:22,405 INFO L225 Difference]: With dead ends: 44 [2020-12-09 19:07:22,405 INFO L226 Difference]: Without dead ends: 44 [2020-12-09 19:07:22,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 19:07:22,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-12-09 19:07:22,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-12-09 19:07:22,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-12-09 19:07:22,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2020-12-09 19:07:22,409 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 5 [2020-12-09 19:07:22,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:07:22,409 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2020-12-09 19:07:22,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 19:07:22,409 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2020-12-09 19:07:22,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-09 19:07:22,410 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:22,410 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-09 19:07:22,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-09 19:07:22,410 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:22,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:22,410 INFO L82 PathProgramCache]: Analyzing trace with hash -454775351, now seen corresponding path program 1 times [2020-12-09 19:07:22,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:22,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949662200] [2020-12-09 19:07:22,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:22,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 19:07:22,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949662200] [2020-12-09 19:07:22,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:07:22,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 19:07:22,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099463441] [2020-12-09 19:07:22,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 19:07:22,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:07:22,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 19:07:22,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 19:07:22,455 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 5 states. [2020-12-09 19:07:22,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:07:22,495 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2020-12-09 19:07:22,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:07:22,501 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2020-12-09 19:07:22,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:07:22,501 INFO L225 Difference]: With dead ends: 37 [2020-12-09 19:07:22,502 INFO L226 Difference]: Without dead ends: 37 [2020-12-09 19:07:22,502 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 19:07:22,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-12-09 19:07:22,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-12-09 19:07:22,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-12-09 19:07:22,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2020-12-09 19:07:22,505 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 6 [2020-12-09 19:07:22,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:07:22,505 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2020-12-09 19:07:22,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 19:07:22,505 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2020-12-09 19:07:22,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-09 19:07:22,505 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:22,505 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-09 19:07:22,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-09 19:07:22,506 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:22,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:22,506 INFO L82 PathProgramCache]: Analyzing trace with hash -454775350, now seen corresponding path program 1 times [2020-12-09 19:07:22,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:22,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132466516] [2020-12-09 19:07:22,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:22,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 19:07:22,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132466516] [2020-12-09 19:07:22,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:07:22,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-09 19:07:22,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888094497] [2020-12-09 19:07:22,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:07:22,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:07:22,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:07:22,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:07:22,537 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 3 states. [2020-12-09 19:07:22,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:07:22,566 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2020-12-09 19:07:22,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:07:22,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-12-09 19:07:22,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:07:22,567 INFO L225 Difference]: With dead ends: 30 [2020-12-09 19:07:22,568 INFO L226 Difference]: Without dead ends: 30 [2020-12-09 19:07:22,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:07:22,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-12-09 19:07:22,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-12-09 19:07:22,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-12-09 19:07:22,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2020-12-09 19:07:22,571 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 6 [2020-12-09 19:07:22,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:07:22,571 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2020-12-09 19:07:22,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:07:22,572 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2020-12-09 19:07:22,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 19:07:22,572 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:22,572 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:07:22,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-09 19:07:22,573 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:22,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:22,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1019303731, now seen corresponding path program 1 times [2020-12-09 19:07:22,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:22,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596828814] [2020-12-09 19:07:22,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:22,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 19:07:22,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596828814] [2020-12-09 19:07:22,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:07:22,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 19:07:22,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030129579] [2020-12-09 19:07:22,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 19:07:22,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:07:22,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 19:07:22,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 19:07:22,622 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 4 states. [2020-12-09 19:07:22,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:07:22,659 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2020-12-09 19:07:22,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 19:07:22,660 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-12-09 19:07:22,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:07:22,660 INFO L225 Difference]: With dead ends: 28 [2020-12-09 19:07:22,660 INFO L226 Difference]: Without dead ends: 28 [2020-12-09 19:07:22,660 INFO L677 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 [2020-12-09 19:07:22,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-12-09 19:07:22,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-12-09 19:07:22,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-12-09 19:07:22,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2020-12-09 19:07:22,662 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 13 [2020-12-09 19:07:22,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:07:22,663 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2020-12-09 19:07:22,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 19:07:22,663 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2020-12-09 19:07:22,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 19:07:22,663 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:22,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:07:22,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-09 19:07:22,663 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:22,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:22,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1019303730, now seen corresponding path program 1 times [2020-12-09 19:07:22,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:22,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104982109] [2020-12-09 19:07:22,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:22,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:07:22,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104982109] [2020-12-09 19:07:22,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656133302] [2020-12-09 19:07:22,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:07:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:22,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:07:22,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:07:22,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:07:22,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:07:22,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:07:22,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [616996435] [2020-12-09 19:07:22,859 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2020-12-09 19:07:22,860 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 19:07:22,863 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 19:07:22,866 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 19:07:22,867 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 19:07:23,491 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 19:07:23,622 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-12-09 19:07:23,841 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2020-12-09 19:07:24,607 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-12-09 19:07:24,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-12-09 19:07:24,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4, 4, 4] total 19 [2020-12-09 19:07:24,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664834047] [2020-12-09 19:07:24,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-09 19:07:24,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:07:24,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-09 19:07:24,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-12-09 19:07:24,610 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 12 states. [2020-12-09 19:07:24,757 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2020-12-09 19:07:24,901 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-12-09 19:07:25,049 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2020-12-09 19:07:25,213 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2020-12-09 19:07:25,400 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2020-12-09 19:07:25,584 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2020-12-09 19:07:25,778 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2020-12-09 19:07:25,996 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2020-12-09 19:07:26,238 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 113 [2020-12-09 19:07:26,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:07:26,340 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2020-12-09 19:07:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-09 19:07:26,340 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2020-12-09 19:07:26,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:07:26,341 INFO L225 Difference]: With dead ends: 40 [2020-12-09 19:07:26,341 INFO L226 Difference]: Without dead ends: 40 [2020-12-09 19:07:26,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=241, Invalid=571, Unknown=0, NotChecked=0, Total=812 [2020-12-09 19:07:26,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-12-09 19:07:26,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 31. [2020-12-09 19:07:26,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-09 19:07:26,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2020-12-09 19:07:26,345 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 13 [2020-12-09 19:07:26,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:07:26,345 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2020-12-09 19:07:26,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-09 19:07:26,345 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2020-12-09 19:07:26,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 19:07:26,346 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:26,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:07:26,547 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-12-09 19:07:26,548 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:26,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:26,549 INFO L82 PathProgramCache]: Analyzing trace with hash -658650410, now seen corresponding path program 1 times [2020-12-09 19:07:26,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:26,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630843139] [2020-12-09 19:07:26,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:26,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 19:07:26,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630843139] [2020-12-09 19:07:26,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:07:26,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 19:07:26,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650507799] [2020-12-09 19:07:26,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 19:07:26,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:07:26,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 19:07:26,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 19:07:26,648 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand 5 states. [2020-12-09 19:07:26,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:07:26,693 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2020-12-09 19:07:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 19:07:26,693 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-12-09 19:07:26,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:07:26,693 INFO L225 Difference]: With dead ends: 31 [2020-12-09 19:07:26,693 INFO L226 Difference]: Without dead ends: 31 [2020-12-09 19:07:26,694 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 19:07:26,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-09 19:07:26,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-12-09 19:07:26,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-09 19:07:26,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2020-12-09 19:07:26,695 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 16 [2020-12-09 19:07:26,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:07:26,696 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2020-12-09 19:07:26,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 19:07:26,696 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2020-12-09 19:07:26,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 19:07:26,696 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:26,696 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:07:26,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-09 19:07:26,696 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:26,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:26,697 INFO L82 PathProgramCache]: Analyzing trace with hash -658648704, now seen corresponding path program 1 times [2020-12-09 19:07:26,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:26,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32410468] [2020-12-09 19:07:26,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:26,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 19:07:26,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32410468] [2020-12-09 19:07:26,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:07:26,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 19:07:26,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020752549] [2020-12-09 19:07:26,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 19:07:26,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:07:26,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 19:07:26,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 19:07:26,732 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand 5 states. [2020-12-09 19:07:26,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:07:26,758 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2020-12-09 19:07:26,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 19:07:26,759 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-12-09 19:07:26,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:07:26,759 INFO L225 Difference]: With dead ends: 30 [2020-12-09 19:07:26,759 INFO L226 Difference]: Without dead ends: 30 [2020-12-09 19:07:26,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-09 19:07:26,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-12-09 19:07:26,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-12-09 19:07:26,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-12-09 19:07:26,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2020-12-09 19:07:26,761 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 16 [2020-12-09 19:07:26,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:07:26,761 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2020-12-09 19:07:26,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 19:07:26,761 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2020-12-09 19:07:26,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-09 19:07:26,762 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:26,762 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:07:26,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-09 19:07:26,762 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:26,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:26,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1601212447, now seen corresponding path program 1 times [2020-12-09 19:07:26,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:26,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798342473] [2020-12-09 19:07:26,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:26,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 19:07:26,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798342473] [2020-12-09 19:07:26,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759904435] [2020-12-09 19:07:26,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:07:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:26,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:07:26,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:07:26,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 19:07:26,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:07:26,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 19:07:26,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1531267675] [2020-12-09 19:07:26,892 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2020-12-09 19:07:26,892 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 19:07:26,892 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 19:07:26,892 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 19:07:26,892 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 19:07:27,366 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 19:07:27,508 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2020-12-09 19:07:28,578 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 19:07:28,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 19:07:28,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2020-12-09 19:07:28,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017647823] [2020-12-09 19:07:28,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-09 19:07:28,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:07:28,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-09 19:07:28,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=379, Unknown=0, NotChecked=0, Total=506 [2020-12-09 19:07:28,579 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 10 states. [2020-12-09 19:07:28,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:07:28,606 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2020-12-09 19:07:28,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 19:07:28,607 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2020-12-09 19:07:28,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:07:28,607 INFO L225 Difference]: With dead ends: 33 [2020-12-09 19:07:28,607 INFO L226 Difference]: Without dead ends: 33 [2020-12-09 19:07:28,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=145, Invalid=455, Unknown=0, NotChecked=0, Total=600 [2020-12-09 19:07:28,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-09 19:07:28,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-09 19:07:28,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-09 19:07:28,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2020-12-09 19:07:28,609 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 18 [2020-12-09 19:07:28,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:07:28,609 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2020-12-09 19:07:28,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-09 19:07:28,609 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2020-12-09 19:07:28,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-09 19:07:28,610 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:28,610 INFO L422 BasicCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:07:28,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:07:28,811 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:28,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:28,812 INFO L82 PathProgramCache]: Analyzing trace with hash -591480345, now seen corresponding path program 2 times [2020-12-09 19:07:28,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:28,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878036474] [2020-12-09 19:07:28,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:28,866 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 19:07:28,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878036474] [2020-12-09 19:07:28,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196539646] [2020-12-09 19:07:28,867 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:07:28,925 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-09 19:07:28,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 19:07:28,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 29 conjunts are in the unsatisfiable core [2020-12-09 19:07:28,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:07:29,397 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 19:07:29,397 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:07:29,707 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 19:07:29,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1890365213] [2020-12-09 19:07:29,709 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2020-12-09 19:07:29,709 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 19:07:29,709 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 19:07:29,709 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 19:07:29,709 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 19:07:30,082 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 19:07:30,237 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2020-12-09 19:07:31,586 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 19:07:31,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 19:07:31,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 7] total 26 [2020-12-09 19:07:31,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373189341] [2020-12-09 19:07:31,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-12-09 19:07:31,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:07:31,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-12-09 19:07:31,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=1356, Unknown=0, NotChecked=0, Total=1560 [2020-12-09 19:07:31,587 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand 27 states. [2020-12-09 19:07:32,078 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2020-12-09 19:07:32,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:07:32,405 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2020-12-09 19:07:32,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-09 19:07:32,406 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 21 [2020-12-09 19:07:32,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:07:32,406 INFO L225 Difference]: With dead ends: 33 [2020-12-09 19:07:32,406 INFO L226 Difference]: Without dead ends: 33 [2020-12-09 19:07:32,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 24 SyntacticMatches, 6 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 919 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=486, Invalid=2706, Unknown=0, NotChecked=0, Total=3192 [2020-12-09 19:07:32,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-09 19:07:32,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2020-12-09 19:07:32,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-12-09 19:07:32,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2020-12-09 19:07:32,409 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 21 [2020-12-09 19:07:32,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:07:32,409 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2020-12-09 19:07:32,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-12-09 19:07:32,409 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2020-12-09 19:07:32,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 19:07:32,410 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:32,410 INFO L422 BasicCegarLoop]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:07:32,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:07:32,611 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:32,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:32,612 INFO L82 PathProgramCache]: Analyzing trace with hash -119587996, now seen corresponding path program 1 times [2020-12-09 19:07:32,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:32,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729202819] [2020-12-09 19:07:32,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:32,649 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-09 19:07:32,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729202819] [2020-12-09 19:07:32,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:07:32,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 19:07:32,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255260290] [2020-12-09 19:07:32,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 19:07:32,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:07:32,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 19:07:32,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 19:07:32,651 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 4 states. [2020-12-09 19:07:32,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:07:32,683 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2020-12-09 19:07:32,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 19:07:32,683 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-12-09 19:07:32,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:07:32,684 INFO L225 Difference]: With dead ends: 30 [2020-12-09 19:07:32,684 INFO L226 Difference]: Without dead ends: 30 [2020-12-09 19:07:32,684 INFO L677 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 [2020-12-09 19:07:32,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-12-09 19:07:32,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-12-09 19:07:32,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-12-09 19:07:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2020-12-09 19:07:32,686 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 23 [2020-12-09 19:07:32,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:07:32,686 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2020-12-09 19:07:32,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 19:07:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2020-12-09 19:07:32,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 19:07:32,687 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:32,687 INFO L422 BasicCegarLoop]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:07:32,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2020-12-09 19:07:32,687 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:32,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:32,687 INFO L82 PathProgramCache]: Analyzing trace with hash -119587995, now seen corresponding path program 1 times [2020-12-09 19:07:32,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:32,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611216196] [2020-12-09 19:07:32,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:32,744 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 19:07:32,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611216196] [2020-12-09 19:07:32,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477462841] [2020-12-09 19:07:32,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:07:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:32,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 19:07:32,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:07:32,853 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 19:07:32,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:07:32,931 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 19:07:32,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [328224483] [2020-12-09 19:07:32,933 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2020-12-09 19:07:32,933 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 19:07:32,934 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 19:07:32,934 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 19:07:32,934 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 19:07:33,362 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 19:07:33,499 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-12-09 19:07:34,655 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2020-12-09 19:07:34,890 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 19:07:34,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 19:07:34,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2020-12-09 19:07:34,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736162649] [2020-12-09 19:07:34,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-12-09 19:07:34,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:07:34,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-12-09 19:07:34,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=1031, Unknown=0, NotChecked=0, Total=1332 [2020-12-09 19:07:34,892 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 22 states. [2020-12-09 19:07:34,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:07:34,991 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2020-12-09 19:07:34,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-09 19:07:34,991 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 23 [2020-12-09 19:07:34,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:07:34,992 INFO L225 Difference]: With dead ends: 37 [2020-12-09 19:07:34,992 INFO L226 Difference]: Without dead ends: 37 [2020-12-09 19:07:34,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 818 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=403, Invalid=1403, Unknown=0, NotChecked=0, Total=1806 [2020-12-09 19:07:34,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-12-09 19:07:34,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-12-09 19:07:34,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-12-09 19:07:34,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2020-12-09 19:07:34,995 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 23 [2020-12-09 19:07:34,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:07:34,995 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2020-12-09 19:07:34,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-12-09 19:07:34,995 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2020-12-09 19:07:34,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-09 19:07:34,996 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:34,996 INFO L422 BasicCegarLoop]: trace histogram [12, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:07:35,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:07:35,198 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:35,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:35,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1484867231, now seen corresponding path program 2 times [2020-12-09 19:07:35,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:35,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44160550] [2020-12-09 19:07:35,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:35,267 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-12-09 19:07:35,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44160550] [2020-12-09 19:07:35,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:07:35,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:07:35,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171128098] [2020-12-09 19:07:35,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 19:07:35,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:07:35,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 19:07:35,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 19:07:35,268 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 4 states. [2020-12-09 19:07:35,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:07:35,294 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2020-12-09 19:07:35,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 19:07:35,294 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-12-09 19:07:35,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:07:35,295 INFO L225 Difference]: With dead ends: 36 [2020-12-09 19:07:35,295 INFO L226 Difference]: Without dead ends: 36 [2020-12-09 19:07:35,295 INFO L677 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 [2020-12-09 19:07:35,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-12-09 19:07:35,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-12-09 19:07:35,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-12-09 19:07:35,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2020-12-09 19:07:35,297 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 30 [2020-12-09 19:07:35,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:07:35,297 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2020-12-09 19:07:35,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 19:07:35,298 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2020-12-09 19:07:35,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-09 19:07:35,298 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:35,298 INFO L422 BasicCegarLoop]: trace histogram [12, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:07:35,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2020-12-09 19:07:35,299 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:35,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:35,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1028267296, now seen corresponding path program 1 times [2020-12-09 19:07:35,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:35,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162556526] [2020-12-09 19:07:35,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:35,338 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-12-09 19:07:35,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162556526] [2020-12-09 19:07:35,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:07:35,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:07:35,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221120468] [2020-12-09 19:07:35,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 19:07:35,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:07:35,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 19:07:35,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 19:07:35,339 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 4 states. [2020-12-09 19:07:35,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:07:35,372 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2020-12-09 19:07:35,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 19:07:35,372 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-12-09 19:07:35,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:07:35,373 INFO L225 Difference]: With dead ends: 42 [2020-12-09 19:07:35,373 INFO L226 Difference]: Without dead ends: 42 [2020-12-09 19:07:35,373 INFO L677 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 [2020-12-09 19:07:35,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-12-09 19:07:35,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2020-12-09 19:07:35,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-12-09 19:07:35,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2020-12-09 19:07:35,376 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 32 [2020-12-09 19:07:35,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:07:35,376 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2020-12-09 19:07:35,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 19:07:35,376 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2020-12-09 19:07:35,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-09 19:07:35,377 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:35,377 INFO L422 BasicCegarLoop]: trace histogram [12, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:07:35,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2020-12-09 19:07:35,377 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:35,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:35,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1811514429, now seen corresponding path program 1 times [2020-12-09 19:07:35,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:35,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578094888] [2020-12-09 19:07:35,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:35,485 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 19:07:35,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578094888] [2020-12-09 19:07:35,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354057788] [2020-12-09 19:07:35,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:07:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:35,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 19:07:35,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:07:35,680 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 19:07:35,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:07:35,902 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 19:07:35,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [593964626] [2020-12-09 19:07:35,904 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2020-12-09 19:07:35,904 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 19:07:35,904 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 19:07:35,904 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 19:07:35,904 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 19:07:36,277 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 19:07:36,479 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2020-12-09 19:07:36,608 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-12-09 19:07:37,718 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2020-12-09 19:07:38,145 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-12-09 19:07:38,339 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-12-09 19:07:38,562 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2020-12-09 19:07:38,563 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 19:07:38,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 19:07:38,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 42 [2020-12-09 19:07:38,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324850955] [2020-12-09 19:07:38,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-12-09 19:07:38,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:07:38,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-12-09 19:07:38,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=912, Invalid=2748, Unknown=0, NotChecked=0, Total=3660 [2020-12-09 19:07:38,565 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 43 states. [2020-12-09 19:07:38,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:07:38,875 INFO L93 Difference]: Finished difference Result 53 states and 56 transitions. [2020-12-09 19:07:38,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-09 19:07:38,875 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 33 [2020-12-09 19:07:38,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:07:38,876 INFO L225 Difference]: With dead ends: 53 [2020-12-09 19:07:38,876 INFO L226 Difference]: Without dead ends: 53 [2020-12-09 19:07:38,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2537 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1315, Invalid=4087, Unknown=0, NotChecked=0, Total=5402 [2020-12-09 19:07:38,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-09 19:07:38,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-09 19:07:38,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-09 19:07:38,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 56 transitions. [2020-12-09 19:07:38,879 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 56 transitions. Word has length 33 [2020-12-09 19:07:38,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:07:38,880 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 56 transitions. [2020-12-09 19:07:38,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-12-09 19:07:38,880 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 56 transitions. [2020-12-09 19:07:38,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-09 19:07:38,881 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:38,881 INFO L422 BasicCegarLoop]: trace histogram [26, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:07:39,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:07:39,083 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:39,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:39,084 INFO L82 PathProgramCache]: Analyzing trace with hash 519888637, now seen corresponding path program 2 times [2020-12-09 19:07:39,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:39,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251041298] [2020-12-09 19:07:39,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:39,498 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 19:07:39,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251041298] [2020-12-09 19:07:39,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153966330] [2020-12-09 19:07:39,498 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:07:39,537 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2020-12-09 19:07:39,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 19:07:39,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 28 conjunts are in the unsatisfiable core [2020-12-09 19:07:39,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:07:40,087 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2020-12-09 19:07:40,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:07:40,270 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2020-12-09 19:07:40,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 19:07:40,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 5] imperfect sequences [29] total 42 [2020-12-09 19:07:40,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313592663] [2020-12-09 19:07:40,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-09 19:07:40,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:07:40,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-09 19:07:40,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=1259, Unknown=0, NotChecked=0, Total=1722 [2020-12-09 19:07:40,272 INFO L87 Difference]: Start difference. First operand 53 states and 56 transitions. Second operand 14 states. [2020-12-09 19:07:40,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:07:40,549 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2020-12-09 19:07:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-09 19:07:40,549 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 47 [2020-12-09 19:07:40,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:07:40,550 INFO L225 Difference]: With dead ends: 57 [2020-12-09 19:07:40,550 INFO L226 Difference]: Without dead ends: 57 [2020-12-09 19:07:40,550 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 75 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 644 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=517, Invalid=1553, Unknown=0, NotChecked=0, Total=2070 [2020-12-09 19:07:40,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-09 19:07:40,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2020-12-09 19:07:40,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-09 19:07:40,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2020-12-09 19:07:40,552 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 47 [2020-12-09 19:07:40,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:07:40,553 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2020-12-09 19:07:40,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-09 19:07:40,553 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2020-12-09 19:07:40,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-09 19:07:40,553 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:40,553 INFO L422 BasicCegarLoop]: trace histogram [26, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:07:40,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:07:40,755 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:40,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:40,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1398357165, now seen corresponding path program 1 times [2020-12-09 19:07:40,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:40,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422745674] [2020-12-09 19:07:40,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-09 19:07:41,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422745674] [2020-12-09 19:07:41,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764384574] [2020-12-09 19:07:41,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:07:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:41,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 29 conjunts are in the unsatisfiable core [2020-12-09 19:07:41,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:07:41,661 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-09 19:07:41,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:07:42,518 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-09 19:07:42,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [857776614] [2020-12-09 19:07:42,519 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2020-12-09 19:07:42,519 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 19:07:42,520 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 19:07:42,520 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 19:07:42,520 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 19:07:42,982 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 19:07:43,157 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2020-12-09 19:07:43,314 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-12-09 19:07:44,390 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2020-12-09 19:07:44,553 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2020-12-09 19:07:44,911 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-12-09 19:07:45,128 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2020-12-09 19:07:45,234 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 19:07:45,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 19:07:45,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2020-12-09 19:07:45,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493174190] [2020-12-09 19:07:45,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 85 states [2020-12-09 19:07:45,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:07:45,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2020-12-09 19:07:45,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3254, Invalid=7048, Unknown=0, NotChecked=0, Total=10302 [2020-12-09 19:07:45,239 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 85 states. [2020-12-09 19:07:46,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:07:46,230 INFO L93 Difference]: Finished difference Result 83 states and 85 transitions. [2020-12-09 19:07:46,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-12-09 19:07:46,231 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 49 [2020-12-09 19:07:46,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:07:46,231 INFO L225 Difference]: With dead ends: 83 [2020-12-09 19:07:46,231 INFO L226 Difference]: Without dead ends: 83 [2020-12-09 19:07:46,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7291 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=4847, Invalid=11665, Unknown=0, NotChecked=0, Total=16512 [2020-12-09 19:07:46,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-12-09 19:07:46,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-12-09 19:07:46,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-12-09 19:07:46,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 85 transitions. [2020-12-09 19:07:46,238 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 85 transitions. Word has length 49 [2020-12-09 19:07:46,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:07:46,238 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 85 transitions. [2020-12-09 19:07:46,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 85 states. [2020-12-09 19:07:46,239 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 85 transitions. [2020-12-09 19:07:46,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-09 19:07:46,239 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:46,239 INFO L422 BasicCegarLoop]: trace histogram [54, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:07:46,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:07:46,441 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:46,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:46,443 INFO L82 PathProgramCache]: Analyzing trace with hash 680469037, now seen corresponding path program 2 times [2020-12-09 19:07:46,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:46,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204519919] [2020-12-09 19:07:46,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:47,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-09 19:07:47,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204519919] [2020-12-09 19:07:47,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100536684] [2020-12-09 19:07:47,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:07:47,779 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-09 19:07:47,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 19:07:47,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 32 conjunts are in the unsatisfiable core [2020-12-09 19:07:47,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:07:48,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1487 trivial. 0 not checked. [2020-12-09 19:07:48,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:07:49,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1487 trivial. 0 not checked. [2020-12-09 19:07:49,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [103392167] [2020-12-09 19:07:49,453 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2020-12-09 19:07:49,453 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 19:07:49,453 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 19:07:49,453 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 19:07:49,453 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 19:07:49,907 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 19:07:50,108 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2020-12-09 19:07:50,301 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-12-09 19:07:51,849 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2020-12-09 19:07:52,077 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2020-12-09 19:07:52,594 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-12-09 19:07:52,869 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2020-12-09 19:07:53,034 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 19:07:53,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 19:07:53,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 13, 7] total 77 [2020-12-09 19:07:53,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154250975] [2020-12-09 19:07:53,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 78 states [2020-12-09 19:07:53,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:07:53,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2020-12-09 19:07:53,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1807, Invalid=7123, Unknown=0, NotChecked=0, Total=8930 [2020-12-09 19:07:53,037 INFO L87 Difference]: Start difference. First operand 83 states and 85 transitions. Second operand 78 states. [2020-12-09 19:07:57,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:07:57,503 INFO L93 Difference]: Finished difference Result 83 states and 85 transitions. [2020-12-09 19:07:57,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-12-09 19:07:57,503 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 77 [2020-12-09 19:07:57,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:07:57,503 INFO L225 Difference]: With dead ends: 83 [2020-12-09 19:07:57,503 INFO L226 Difference]: Without dead ends: 83 [2020-12-09 19:07:57,506 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 186 SyntacticMatches, 7 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6611 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=5519, Invalid=20887, Unknown=0, NotChecked=0, Total=26406 [2020-12-09 19:07:57,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-12-09 19:07:57,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-12-09 19:07:57,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-12-09 19:07:57,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 85 transitions. [2020-12-09 19:07:57,508 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 85 transitions. Word has length 77 [2020-12-09 19:07:57,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:07:57,508 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 85 transitions. [2020-12-09 19:07:57,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 78 states. [2020-12-09 19:07:57,508 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 85 transitions. [2020-12-09 19:07:57,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-09 19:07:57,509 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:07:57,509 INFO L422 BasicCegarLoop]: trace histogram [55, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:07:57,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable207 [2020-12-09 19:07:57,711 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:07:57,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:07:57,713 INFO L82 PathProgramCache]: Analyzing trace with hash 2016187415, now seen corresponding path program 1 times [2020-12-09 19:07:57,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:07:57,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654591426] [2020-12-09 19:07:57,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:07:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:59,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-09 19:07:59,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654591426] [2020-12-09 19:07:59,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166489366] [2020-12-09 19:07:59,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:07:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:07:59,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 58 conjunts are in the unsatisfiable core [2020-12-09 19:07:59,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:08:00,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-09 19:08:00,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:08:03,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-09 19:08:03,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1649350299] [2020-12-09 19:08:03,127 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2020-12-09 19:08:03,127 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 19:08:03,128 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 19:08:03,128 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 19:08:03,128 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 19:08:03,617 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 19:08:03,972 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-12-09 19:08:05,433 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2020-12-09 19:08:05,641 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2020-12-09 19:08:06,105 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-12-09 19:08:06,378 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2020-12-09 19:08:06,826 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 19:08:06,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 19:08:06,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 58, 58] total 153 [2020-12-09 19:08:06,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184230400] [2020-12-09 19:08:06,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 154 states [2020-12-09 19:08:06,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:08:06,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2020-12-09 19:08:06,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10241, Invalid=19515, Unknown=0, NotChecked=0, Total=29756 [2020-12-09 19:08:06,830 INFO L87 Difference]: Start difference. First operand 83 states and 85 transitions. Second operand 154 states. [2020-12-09 19:08:09,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:08:09,470 INFO L93 Difference]: Finished difference Result 122 states and 124 transitions. [2020-12-09 19:08:09,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2020-12-09 19:08:09,471 INFO L78 Accepts]: Start accepts. Automaton has 154 states. Word has length 82 [2020-12-09 19:08:09,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:08:09,471 INFO L225 Difference]: With dead ends: 122 [2020-12-09 19:08:09,471 INFO L226 Difference]: Without dead ends: 122 [2020-12-09 19:08:09,473 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 129 SyntacticMatches, 2 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19903 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=14003, Invalid=30307, Unknown=0, NotChecked=0, Total=44310 [2020-12-09 19:08:09,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-12-09 19:08:09,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-12-09 19:08:09,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-12-09 19:08:09,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2020-12-09 19:08:09,475 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 82 [2020-12-09 19:08:09,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:08:09,476 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2020-12-09 19:08:09,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 154 states. [2020-12-09 19:08:09,476 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2020-12-09 19:08:09,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-09 19:08:09,477 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:08:09,477 INFO L422 BasicCegarLoop]: trace histogram [94, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:08:09,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:08:09,679 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:08:09,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:08:09,680 INFO L82 PathProgramCache]: Analyzing trace with hash -618188643, now seen corresponding path program 2 times [2020-12-09 19:08:09,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:08:09,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223961567] [2020-12-09 19:08:09,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:08:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:08:09,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4474 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4465 trivial. 0 not checked. [2020-12-09 19:08:09,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223961567] [2020-12-09 19:08:09,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138412369] [2020-12-09 19:08:09,857 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:08:09,930 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-09 19:08:09,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 19:08:09,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 29 conjunts are in the unsatisfiable core [2020-12-09 19:08:09,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:08:10,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4474 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4472 trivial. 0 not checked. [2020-12-09 19:08:10,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:08:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4474 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4472 trivial. 0 not checked. [2020-12-09 19:08:10,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1162323865] [2020-12-09 19:08:10,749 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2020-12-09 19:08:10,749 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 19:08:10,749 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 19:08:10,749 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 19:08:10,749 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 19:08:11,236 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 19:08:11,488 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-12-09 19:08:12,759 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2020-12-09 19:08:13,117 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-12-09 19:08:13,332 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2020-12-09 19:08:13,792 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 19:08:13,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 19:08:13,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 6] total 24 [2020-12-09 19:08:13,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631103296] [2020-12-09 19:08:13,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-09 19:08:13,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:08:13,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-09 19:08:13,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=1588, Unknown=0, NotChecked=0, Total=1806 [2020-12-09 19:08:13,793 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand 24 states. [2020-12-09 19:08:14,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:08:14,173 INFO L93 Difference]: Finished difference Result 129 states and 131 transitions. [2020-12-09 19:08:14,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-09 19:08:14,173 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 121 [2020-12-09 19:08:14,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:08:14,174 INFO L225 Difference]: With dead ends: 129 [2020-12-09 19:08:14,174 INFO L226 Difference]: Without dead ends: 129 [2020-12-09 19:08:14,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 326 SyntacticMatches, 6 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 750 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=299, Invalid=1957, Unknown=0, NotChecked=0, Total=2256 [2020-12-09 19:08:14,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-12-09 19:08:14,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 128. [2020-12-09 19:08:14,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-12-09 19:08:14,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 130 transitions. [2020-12-09 19:08:14,176 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 130 transitions. Word has length 121 [2020-12-09 19:08:14,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:08:14,176 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 130 transitions. [2020-12-09 19:08:14,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-12-09 19:08:14,177 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 130 transitions. [2020-12-09 19:08:14,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-09 19:08:14,178 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:08:14,178 INFO L422 BasicCegarLoop]: trace histogram [94, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:08:14,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable293,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:08:14,379 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:08:14,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:08:14,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1319911773, now seen corresponding path program 3 times [2020-12-09 19:08:14,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:08:14,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120032233] [2020-12-09 19:08:14,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:08:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:08:14,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4487 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4472 trivial. 0 not checked. [2020-12-09 19:08:14,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120032233] [2020-12-09 19:08:14,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685445333] [2020-12-09 19:08:14,667 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:10:38,326 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-09 19:10:38,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 19:10:38,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 39 conjunts are in the unsatisfiable core [2020-12-09 19:10:38,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:38,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4487 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 4465 trivial. 0 not checked. [2020-12-09 19:10:38,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:39,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4487 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 4465 trivial. 0 not checked. [2020-12-09 19:10:39,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [445216111] [2020-12-09 19:10:39,009 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2020-12-09 19:10:39,009 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 19:10:39,009 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 19:10:39,009 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 19:10:39,010 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 19:10:39,505 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 19:10:39,783 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-12-09 19:10:40,929 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2020-12-09 19:10:41,101 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2020-12-09 19:10:41,462 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-12-09 19:10:41,677 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2020-12-09 19:10:42,031 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 19:10:42,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 19:10:42,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 11] total 28 [2020-12-09 19:10:42,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981185910] [2020-12-09 19:10:42,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-12-09 19:10:42,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:10:42,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-12-09 19:10:42,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=1881, Unknown=0, NotChecked=0, Total=2162 [2020-12-09 19:10:42,032 INFO L87 Difference]: Start difference. First operand 128 states and 130 transitions. Second operand 28 states. [2020-12-09 19:10:42,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:10:42,850 INFO L93 Difference]: Finished difference Result 132 states and 134 transitions. [2020-12-09 19:10:42,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-09 19:10:42,851 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 127 [2020-12-09 19:10:42,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:10:42,852 INFO L225 Difference]: With dead ends: 132 [2020-12-09 19:10:42,852 INFO L226 Difference]: Without dead ends: 132 [2020-12-09 19:10:42,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 344 SyntacticMatches, 7 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1274 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=596, Invalid=3064, Unknown=0, NotChecked=0, Total=3660 [2020-12-09 19:10:42,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-12-09 19:10:42,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 131. [2020-12-09 19:10:42,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-12-09 19:10:42,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 133 transitions. [2020-12-09 19:10:42,855 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 133 transitions. Word has length 127 [2020-12-09 19:10:42,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:10:42,855 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 133 transitions. [2020-12-09 19:10:42,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-12-09 19:10:42,856 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 133 transitions. [2020-12-09 19:10:42,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-09 19:10:42,857 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:10:42,857 INFO L422 BasicCegarLoop]: trace histogram [94, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:10:43,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable335 [2020-12-09 19:10:43,059 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:10:43,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:10:43,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1115117552, now seen corresponding path program 4 times [2020-12-09 19:10:43,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:10:43,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078065277] [2020-12-09 19:10:43,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:10:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 19:10:43,153 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 19:10:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 19:10:43,275 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 19:10:43,314 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 19:10:43,315 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 19:10:43,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable378 [2020-12-09 19:10:43,326 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,326 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,326 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,327 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,327 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,327 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,327 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,327 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,327 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,328 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,328 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,328 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,328 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,328 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,329 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,329 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,329 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,329 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,329 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,329 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,330 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,330 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,330 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,330 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,330 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,331 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,331 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,331 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,331 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,331 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,332 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,332 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,332 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,332 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,332 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,333 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,333 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,333 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,333 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,333 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,334 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,334 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,334 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,334 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,334 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,335 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,335 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,335 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,335 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,335 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,336 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,336 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,336 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,336 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,336 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,336 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,337 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,337 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,337 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,337 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,337 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,338 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,338 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,338 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,338 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,338 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,338 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,339 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,339 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,339 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,339 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,339 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,339 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,340 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,340 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,340 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,340 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,340 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,341 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,341 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,341 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,341 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,341 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,341 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,341 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,342 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,342 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,342 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,342 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,342 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,342 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,343 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,343 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,343 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,343 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,343 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,343 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,343 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,343 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,343 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,343 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,343 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,344 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,344 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,344 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,344 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,344 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,344 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,344 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,344 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,344 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,345 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,345 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,345 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,345 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,345 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,345 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,345 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,346 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,346 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,346 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,346 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,346 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,346 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,346 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,346 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,347 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,347 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,347 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,347 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,347 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,347 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,347 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,347 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,347 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,348 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,348 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,348 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,348 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,348 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,348 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,348 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,348 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,348 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,348 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,348 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,348 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,349 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,349 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,349 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,349 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,349 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,349 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,349 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,349 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,349 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,349 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,349 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,349 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,350 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,350 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,350 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,350 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,350 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,350 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,350 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,350 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,350 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,351 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,351 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,351 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,351 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,351 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,351 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,351 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,352 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,352 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,352 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,352 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,352 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,352 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,352 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,352 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,352 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,353 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,353 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,353 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,353 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,353 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,353 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,353 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,353 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,353 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,353 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,353 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,353 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,354 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,354 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,354 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,354 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,354 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,354 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,354 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,354 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,354 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,354 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,354 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,355 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,355 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,355 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,355 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,355 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,355 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,355 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,355 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,355 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,355 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,355 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,355 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,355 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,355 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,355 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,356 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,356 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,356 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,356 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,356 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,356 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,356 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,356 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,356 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,356 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,356 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,356 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,356 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,356 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,357 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,357 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,357 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,357 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,357 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,357 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,357 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,357 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,357 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,357 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,358 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,358 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,358 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,358 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,358 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,358 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,358 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,358 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,358 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,358 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,358 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,358 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,359 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,359 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,359 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,359 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,359 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,359 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,359 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,359 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,360 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,360 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,360 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,360 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,360 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,360 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,360 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,360 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,360 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,360 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,360 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,360 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,360 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,361 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,361 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,361 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,361 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,361 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,361 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,361 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,361 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,362 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,362 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,362 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,362 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,362 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,362 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,362 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,362 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,362 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,363 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,363 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,363 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,363 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,363 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,363 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,363 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,363 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,363 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,363 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,363 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,363 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,363 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,364 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,364 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,364 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,364 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,364 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,364 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,364 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,364 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,364 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,364 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,364 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,364 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,364 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,365 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,365 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:10:43,365 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,365 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:10:43,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:10:43 BoogieIcfgContainer [2020-12-09 19:10:43,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 19:10:43,391 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 19:10:43,391 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 19:10:43,391 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 19:10:43,392 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:07:22" (3/4) ... [2020-12-09 19:10:43,394 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 19:10:43,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 19:10:43,395 INFO L168 Benchmark]: Toolchain (without parser) took 202139.48 ms. Allocated memory was 100.7 MB in the beginning and 176.2 MB in the end (delta: 75.5 MB). Free memory was 58.5 MB in the beginning and 41.4 MB in the end (delta: 17.1 MB). Peak memory consumption was 95.6 MB. Max. memory is 16.1 GB. [2020-12-09 19:10:43,395 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 100.7 MB. Free memory was 76.2 MB in the beginning and 76.1 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:10:43,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.86 ms. Allocated memory is still 100.7 MB. Free memory was 58.4 MB in the beginning and 61.6 MB in the end (delta: -3.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-12-09 19:10:43,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.95 ms. Allocated memory is still 100.7 MB. Free memory was 61.6 MB in the beginning and 59.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:10:43,396 INFO L168 Benchmark]: Boogie Preprocessor took 20.25 ms. Allocated memory is still 100.7 MB. Free memory was 59.6 MB in the beginning and 58.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:10:43,396 INFO L168 Benchmark]: RCFGBuilder took 419.91 ms. Allocated memory is still 100.7 MB. Free memory was 58.1 MB in the beginning and 49.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 19:10:43,397 INFO L168 Benchmark]: TraceAbstraction took 201378.30 ms. Allocated memory was 100.7 MB in the beginning and 176.2 MB in the end (delta: 75.5 MB). Free memory was 48.7 MB in the beginning and 41.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 101.5 MB. Max. memory is 16.1 GB. [2020-12-09 19:10:43,397 INFO L168 Benchmark]: Witness Printer took 3.20 ms. Allocated memory is still 176.2 MB. Free memory is still 41.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:10:43,398 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 100.7 MB. Free memory was 76.2 MB in the beginning and 76.1 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 282.86 ms. Allocated memory is still 100.7 MB. Free memory was 58.4 MB in the beginning and 61.6 MB in the end (delta: -3.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.95 ms. Allocated memory is still 100.7 MB. Free memory was 61.6 MB in the beginning and 59.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.25 ms. Allocated memory is still 100.7 MB. Free memory was 59.6 MB in the beginning and 58.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 419.91 ms. Allocated memory is still 100.7 MB. Free memory was 58.1 MB in the beginning and 49.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 201378.30 ms. Allocated memory was 100.7 MB in the beginning and 176.2 MB in the end (delta: 75.5 MB). Free memory was 48.7 MB in the beginning and 41.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 101.5 MB. Max. memory is 16.1 GB. * Witness Printer took 3.20 ms. Allocated memory is still 176.2 MB. Free memory is still 41.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 574]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 574. Possible FailurePath: [L575] Struct3 *p = malloc (sizeof (int) + 3 * sizeof(Union)); [L577] p->Count = 3 [L578] p->List[0].a.Count = 555 [L579] p->List[1].a.Count = 999 [L580] p->List[2].a.Count = 0x101010101ULL [L581] p->List[0].a.Count2 = 555 [L582] p->List[1].a.Count2 = 999 [L583] p->List[2].a.Count2 = 0x101010101LL [L554] unsigned long long count = 0; [L555] int i; [L556] i = 0 [L556] EXPR instrs->Count [L556] COND TRUE i < instrs->Count [L557] EXPR instrs->List[i].a.Count [L557] count += instrs->List[i].a.Count [L556] i++ [L556] EXPR instrs->Count [L556] COND TRUE i < instrs->Count [L557] EXPR instrs->List[i].a.Count [L557] count += instrs->List[i].a.Count [L556] i++ [L556] EXPR instrs->Count [L556] COND TRUE i < instrs->Count [L557] EXPR instrs->List[i].a.Count [L557] count += instrs->List[i].a.Count [L556] i++ [L556] EXPR instrs->Count [L556] COND FALSE !(i < instrs->Count) [L559] return count; [L584] COND FALSE !(Sum(p) != 555 + 999 + 0x101010101ULL) [L564] long long count = 0; [L565] int i; [L566] i = 0 [L566] EXPR instrs->Count [L566] COND TRUE i < instrs->Count [L567] EXPR instrs->List[i].a.Count2 [L567] count += instrs->List[i].a.Count2 [L566] i++ [L566] EXPR instrs->Count [L566] COND TRUE i < instrs->Count [L567] EXPR instrs->List[i].a.Count2 [L567] count += instrs->List[i].a.Count2 [L566] i++ [L566] EXPR instrs->Count [L566] COND TRUE i < instrs->Count [L567] EXPR instrs->List[i].a.Count2 [L567] count += instrs->List[i].a.Count2 [L566] i++ [L566] EXPR instrs->Count [L566] COND FALSE !(i < instrs->Count) [L569] return count; [L586] COND FALSE !(Sum2(p) != 555 + 999 + 0x101010101LL) [L588] p = ((void *)0) [L589] return 0; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 46 locations, 25 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 201.2s, OverallIterations: 23, TraceHistogramMax: 94, AutomataDifference: 12.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 324 SDtfs, 1170 SDslu, 930 SDs, 0 SdLazy, 2732 SolverSat, 959 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2246 GetRequests, 1308 SyntacticMatches, 45 SemanticMatches, 893 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41154 ImplicationChecksByTransitivity, 43.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=22, 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, 22 MinimizatonAttempts, 17 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 144.3s SatisfiabilityAnalysisTime, 14.6s InterpolantComputationTime, 1504 NumberOfCodeBlocks, 1326 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1941 ConstructedInterpolants, 0 QuantifiedInterpolants, 887962 SizeOfPredicates, 76 NumberOfNonLiveVariables, 2506 ConjunctsInSsa, 275 ConjunctsInUnsatCore, 44 InterpolantComputations, 13 PerfectInterpolantSequences, 30792/38655 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]: 632, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 12, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 15, TOOLS_POST_TIME[ms]: 445, 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: 15, TOOLS_QUANTIFIERELIM_TIME[ms]: 439, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 123, FLUID_QUERY_TIME[ms]: 3, FLUID_QUERIES: 36, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME[ms]: 0, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 132, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 12, DOMAIN_ISBOTTOM_TIME[ms]: 14, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 317, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 316, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 1, PATH_EXPR_TIME[ms]: 2, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 8, DAG_COMPRESSION_PROCESSED_NODES: 109, DAG_COMPRESSION_RETAINED_NODES: 32, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 19:10:44,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 19:10:44,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 19:10:44,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 19:10:44,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 19:10:44,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 19:10:44,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 19:10:44,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 19:10:44,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 19:10:44,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 19:10:44,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 19:10:44,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 19:10:44,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 19:10:44,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 19:10:44,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 19:10:44,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 19:10:44,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 19:10:44,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 19:10:44,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 19:10:44,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 19:10:44,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 19:10:44,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 19:10:44,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 19:10:44,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 19:10:44,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 19:10:44,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 19:10:44,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 19:10:44,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 19:10:44,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 19:10:44,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 19:10:44,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 19:10:44,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 19:10:44,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 19:10:44,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 19:10:44,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 19:10:44,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 19:10:44,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 19:10:44,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 19:10:44,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 19:10:44,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 19:10:44,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 19:10:44,935 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2020-12-09 19:10:44,953 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 19:10:44,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 19:10:44,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 19:10:44,954 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 19:10:44,954 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 19:10:44,954 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 19:10:44,954 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 19:10:44,954 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 19:10:44,954 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 19:10:44,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 19:10:44,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 19:10:44,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 19:10:44,955 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 19:10:44,955 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 19:10:44,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 19:10:44,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 19:10:44,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 19:10:44,956 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 19:10:44,956 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 19:10:44,956 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 19:10:44,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 19:10:44,956 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 19:10:44,956 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 19:10:44,956 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 19:10:44,956 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 19:10:44,956 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 19:10:44,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 19:10:44,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 19:10:44,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 19:10:44,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:10:44,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 19:10:44,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 19:10:44,963 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 19:10:44,963 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 19:10:44,963 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 19:10:44,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 19:10:44,964 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d36d26165afa8180a6be8f6ea0f5d349205c840 [2020-12-09 19:10:45,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 19:10:45,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 19:10:45,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 19:10:45,213 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 19:10:45,214 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 19:10:45,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/../../sv-benchmarks/c/memsafety/20051113-1.i [2020-12-09 19:10:45,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/data/ff2952c26/c8ee62f179aa4e92b9401782485b67a1/FLAG1c628ae08 [2020-12-09 19:10:45,661 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 19:10:45,662 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/sv-benchmarks/c/memsafety/20051113-1.i [2020-12-09 19:10:45,672 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/data/ff2952c26/c8ee62f179aa4e92b9401782485b67a1/FLAG1c628ae08 [2020-12-09 19:10:45,681 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/data/ff2952c26/c8ee62f179aa4e92b9401782485b67a1 [2020-12-09 19:10:45,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 19:10:45,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 19:10:45,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 19:10:45,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 19:10:45,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 19:10:45,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:10:45" (1/1) ... [2020-12-09 19:10:45,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232b6e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:45, skipping insertion in model container [2020-12-09 19:10:45,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:10:45" (1/1) ... [2020-12-09 19:10:45,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 19:10:45,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 19:10:45,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:10:45,954 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 19:10:45,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:10:46,039 INFO L208 MainTranslator]: Completed translation [2020-12-09 19:10:46,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:46 WrapperNode [2020-12-09 19:10:46,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 19:10:46,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 19:10:46,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 19:10:46,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 19:10:46,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:46" (1/1) ... [2020-12-09 19:10:46,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:46" (1/1) ... [2020-12-09 19:10:46,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 19:10:46,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 19:10:46,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 19:10:46,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 19:10:46,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:46" (1/1) ... [2020-12-09 19:10:46,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:46" (1/1) ... [2020-12-09 19:10:46,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:46" (1/1) ... [2020-12-09 19:10:46,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:46" (1/1) ... [2020-12-09 19:10:46,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:46" (1/1) ... [2020-12-09 19:10:46,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:46" (1/1) ... [2020-12-09 19:10:46,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:46" (1/1) ... [2020-12-09 19:10:46,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 19:10:46,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 19:10:46,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 19:10:46,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 19:10:46,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:10:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2020-12-09 19:10:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 19:10:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 19:10:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 19:10:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2020-12-09 19:10:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 19:10:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 19:10:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 19:10:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 19:10:46,542 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 19:10:46,542 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-09 19:10:46,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:10:46 BoogieIcfgContainer [2020-12-09 19:10:46,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 19:10:46,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 19:10:46,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 19:10:46,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 19:10:46,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:10:45" (1/3) ... [2020-12-09 19:10:46,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23cf251e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:10:46, skipping insertion in model container [2020-12-09 19:10:46,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:46" (2/3) ... [2020-12-09 19:10:46,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23cf251e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:10:46, skipping insertion in model container [2020-12-09 19:10:46,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:10:46" (3/3) ... [2020-12-09 19:10:46,549 INFO L111 eAbstractionObserver]: Analyzing ICFG 20051113-1.i [2020-12-09 19:10:46,558 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 19:10:46,561 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 25 error locations. [2020-12-09 19:10:46,570 INFO L253 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2020-12-09 19:10:46,585 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 19:10:46,586 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-09 19:10:46,586 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 19:10:46,586 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 19:10:46,586 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 19:10:46,586 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 19:10:46,586 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 19:10:46,586 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 19:10:46,597 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-12-09 19:10:46,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-09 19:10:46,602 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:10:46,602 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-09 19:10:46,602 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:10:46,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:10:46,606 INFO L82 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2020-12-09 19:10:46,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:10:46,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1814928773] [2020-12-09 19:10:46,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 19:10:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:46,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:10:46,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:46,715 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-12-09 19:10:46,716 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:10:46,720 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:10:46,721 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:10:46,721 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-12-09 19:10:46,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:46,727 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:10:46,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1814928773] [2020-12-09 19:10:46,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:10:46,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:10:46,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973532511] [2020-12-09 19:10:46,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:10:46,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:10:46,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:10:46,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:10:46,743 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 3 states. [2020-12-09 19:10:46,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:10:46,849 INFO L93 Difference]: Finished difference Result 59 states and 63 transitions. [2020-12-09 19:10:46,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:10:46,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-09 19:10:46,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:10:46,858 INFO L225 Difference]: With dead ends: 59 [2020-12-09 19:10:46,859 INFO L226 Difference]: Without dead ends: 57 [2020-12-09 19:10:46,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:10:46,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-09 19:10:46,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-12-09 19:10:46,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-09 19:10:46,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2020-12-09 19:10:46,892 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 3 [2020-12-09 19:10:46,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:10:46,892 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2020-12-09 19:10:46,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:10:46,893 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2020-12-09 19:10:46,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-09 19:10:46,893 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:10:46,893 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-09 19:10:47,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 19:10:47,094 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:10:47,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:10:47,095 INFO L82 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2020-12-09 19:10:47,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:10:47,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [130063097] [2020-12-09 19:10:47,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 19:10:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:47,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 19:10:47,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:47,146 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-12-09 19:10:47,147 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:10:47,153 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:10:47,155 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:10:47,155 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:14 [2020-12-09 19:10:47,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:47,170 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:10:47,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [130063097] [2020-12-09 19:10:47,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:10:47,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:10:47,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518102600] [2020-12-09 19:10:47,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:10:47,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:10:47,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:10:47,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:10:47,172 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand 3 states. [2020-12-09 19:10:47,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:10:47,283 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2020-12-09 19:10:47,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:10:47,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-09 19:10:47,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:10:47,286 INFO L225 Difference]: With dead ends: 56 [2020-12-09 19:10:47,286 INFO L226 Difference]: Without dead ends: 56 [2020-12-09 19:10:47,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:10:47,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-12-09 19:10:47,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-12-09 19:10:47,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-12-09 19:10:47,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2020-12-09 19:10:47,293 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 4 [2020-12-09 19:10:47,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:10:47,293 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2020-12-09 19:10:47,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:10:47,293 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2020-12-09 19:10:47,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-09 19:10:47,293 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:10:47,293 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:10:47,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 19:10:47,495 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:10:47,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:10:47,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1803953449, now seen corresponding path program 1 times [2020-12-09 19:10:47,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:10:47,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1984879485] [2020-12-09 19:10:47,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 19:10:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:47,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 19:10:47,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:47,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:10:47,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1984879485] [2020-12-09 19:10:47,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:10:47,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 19:10:47,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807611915] [2020-12-09 19:10:47,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 19:10:47,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:10:47,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 19:10:47,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 19:10:47,647 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand 4 states. [2020-12-09 19:10:47,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:10:47,663 INFO L93 Difference]: Finished difference Result 57 states and 61 transitions. [2020-12-09 19:10:47,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 19:10:47,664 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-12-09 19:10:47,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:10:47,665 INFO L225 Difference]: With dead ends: 57 [2020-12-09 19:10:47,665 INFO L226 Difference]: Without dead ends: 57 [2020-12-09 19:10:47,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 19:10:47,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-09 19:10:47,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-12-09 19:10:47,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-09 19:10:47,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2020-12-09 19:10:47,669 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 7 [2020-12-09 19:10:47,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:10:47,669 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2020-12-09 19:10:47,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 19:10:47,670 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2020-12-09 19:10:47,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 19:10:47,670 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:10:47,670 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:10:47,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 19:10:47,872 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:10:47,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:10:47,874 INFO L82 PathProgramCache]: Analyzing trace with hash 87920521, now seen corresponding path program 1 times [2020-12-09 19:10:47,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:10:47,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785211772] [2020-12-09 19:10:47,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 19:10:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:47,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:10:47,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:48,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:48,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:48,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:48,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1785211772] [2020-12-09 19:10:48,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [394687360] [2020-12-09 19:10:48,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:10:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:48,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:10:48,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:48,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:48,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:48,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:48,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466266750] [2020-12-09 19:10:48,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:10:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:48,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 19:10:48,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:48,193 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-12-09 19:10:48,194 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:10:48,195 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:10:48,196 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:10:48,196 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-12-09 19:10:48,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 19:10:48,207 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:10:48,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2020-12-09 19:10:48,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5, 5, 5] total 9 [2020-12-09 19:10:48,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9289535] [2020-12-09 19:10:48,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:10:48,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:10:48,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:10:48,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-09 19:10:48,209 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand 3 states. [2020-12-09 19:10:48,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:10:48,298 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2020-12-09 19:10:48,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:10:48,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-12-09 19:10:48,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:10:48,298 INFO L225 Difference]: With dead ends: 50 [2020-12-09 19:10:48,299 INFO L226 Difference]: Without dead ends: 50 [2020-12-09 19:10:48,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-09 19:10:48,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-12-09 19:10:48,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-12-09 19:10:48,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-12-09 19:10:48,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2020-12-09 19:10:48,302 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 8 [2020-12-09 19:10:48,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:10:48,302 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2020-12-09 19:10:48,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:10:48,302 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2020-12-09 19:10:48,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 19:10:48,302 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:10:48,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:10:48,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3,6 cvc4 --incremental --print-success --lang smt,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:10:48,906 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:10:48,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:10:48,906 INFO L82 PathProgramCache]: Analyzing trace with hash 87920522, now seen corresponding path program 1 times [2020-12-09 19:10:48,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:10:48,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [414130328] [2020-12-09 19:10:48,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-12-09 19:10:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:48,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:10:48,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:49,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:49,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:49,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:49,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [414130328] [2020-12-09 19:10:49,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [529138376] [2020-12-09 19:10:49,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:10:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:49,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:10:49,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:49,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:49,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:49,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:49,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83995803] [2020-12-09 19:10:49,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:10:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:49,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 19:10:49,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:49,173 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-12-09 19:10:49,174 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:10:49,178 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:10:49,179 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:10:49,179 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-12-09 19:10:49,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 19:10:49,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:10:49,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2020-12-09 19:10:49,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5, 5, 5] total 9 [2020-12-09 19:10:49,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060768711] [2020-12-09 19:10:49,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:10:49,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:10:49,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:10:49,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-09 19:10:49,201 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 3 states. [2020-12-09 19:10:49,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:10:49,282 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2020-12-09 19:10:49,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:10:49,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-12-09 19:10:49,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:10:49,283 INFO L225 Difference]: With dead ends: 43 [2020-12-09 19:10:49,283 INFO L226 Difference]: Without dead ends: 43 [2020-12-09 19:10:49,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-09 19:10:49,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-09 19:10:49,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-12-09 19:10:49,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-09 19:10:49,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2020-12-09 19:10:49,288 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 8 [2020-12-09 19:10:49,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:10:49,288 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2020-12-09 19:10:49,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:10:49,288 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-12-09 19:10:49,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 19:10:49,288 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:10:49,289 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:10:49,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt,8 mathsat -unsat_core_generation=3,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:10:49,893 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:10:49,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:10:49,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1171290262, now seen corresponding path program 1 times [2020-12-09 19:10:49,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:10:49,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379060097] [2020-12-09 19:10:49,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-12-09 19:10:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:49,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:10:49,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:49,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:49,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:50,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:50,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [379060097] [2020-12-09 19:10:50,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [290116692] [2020-12-09 19:10:50,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:10:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:50,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:10:50,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:50,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:50,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:50,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57183588] [2020-12-09 19:10:50,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:10:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:50,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 19:10:50,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:50,202 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-12-09 19:10:50,203 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:10:50,204 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:10:50,205 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:10:50,205 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-12-09 19:10:50,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 19:10:50,230 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:10:50,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2020-12-09 19:10:50,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5, 5, 5] total 10 [2020-12-09 19:10:50,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445477465] [2020-12-09 19:10:50,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 19:10:50,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:10:50,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 19:10:50,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-12-09 19:10:50,231 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 4 states. [2020-12-09 19:10:50,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:10:50,316 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2020-12-09 19:10:50,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 19:10:50,317 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-12-09 19:10:50,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:10:50,317 INFO L225 Difference]: With dead ends: 41 [2020-12-09 19:10:50,317 INFO L226 Difference]: Without dead ends: 41 [2020-12-09 19:10:50,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-09 19:10:50,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-12-09 19:10:50,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-12-09 19:10:50,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-12-09 19:10:50,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2020-12-09 19:10:50,320 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 16 [2020-12-09 19:10:50,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:10:50,320 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2020-12-09 19:10:50,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 19:10:50,320 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2020-12-09 19:10:50,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 19:10:50,320 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:10:50,320 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:10:50,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 mathsat -unsat_core_generation=3,12 cvc4 --incremental --print-success --lang smt [2020-12-09 19:10:50,923 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:10:50,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:10:50,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1171290263, now seen corresponding path program 1 times [2020-12-09 19:10:50,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:10:50,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165105520] [2020-12-09 19:10:50,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2020-12-09 19:10:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:50,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:10:50,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:51,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:51,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:51,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:51,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [165105520] [2020-12-09 19:10:51,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1951806113] [2020-12-09 19:10:51,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:10:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:51,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:10:51,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:51,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:51,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:51,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:51,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935035734] [2020-12-09 19:10:51,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:10:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:51,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 19:10:51,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:51,211 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-12-09 19:10:51,211 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:10:51,215 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:10:51,215 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:10:51,215 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-12-09 19:10:51,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 19:10:51,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:10:51,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2020-12-09 19:10:51,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5, 5, 5] total 10 [2020-12-09 19:10:51,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277541508] [2020-12-09 19:10:51,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 19:10:51,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:10:51,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 19:10:51,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-12-09 19:10:51,251 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 4 states. [2020-12-09 19:10:51,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:10:51,332 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2020-12-09 19:10:51,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 19:10:51,332 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-12-09 19:10:51,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:10:51,333 INFO L225 Difference]: With dead ends: 40 [2020-12-09 19:10:51,333 INFO L226 Difference]: Without dead ends: 40 [2020-12-09 19:10:51,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-09 19:10:51,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-12-09 19:10:51,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-12-09 19:10:51,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-12-09 19:10:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2020-12-09 19:10:51,335 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 16 [2020-12-09 19:10:51,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:10:51,335 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2020-12-09 19:10:51,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 19:10:51,335 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2020-12-09 19:10:51,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-09 19:10:51,336 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:10:51,336 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:10:51,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt [2020-12-09 19:10:51,939 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:10:51,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:10:51,940 INFO L82 PathProgramCache]: Analyzing trace with hash 328510776, now seen corresponding path program 1 times [2020-12-09 19:10:51,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:10:51,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [274967881] [2020-12-09 19:10:51,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2020-12-09 19:10:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:52,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:10:52,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:52,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:52,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:52,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:52,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [274967881] [2020-12-09 19:10:52,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2019214960] [2020-12-09 19:10:52,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/cvc4 Starting monitored process 18 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:10:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:52,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:10:52,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:52,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:52,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:52,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:52,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876994258] [2020-12-09 19:10:52,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:10:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:52,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-09 19:10:52,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:52,264 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-12-09 19:10:52,265 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:10:52,269 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:10:52,269 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:10:52,269 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-12-09 19:10:52,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 19:10:52,307 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:10:52,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2020-12-09 19:10:52,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5, 5, 5] total 10 [2020-12-09 19:10:52,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059783311] [2020-12-09 19:10:52,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 19:10:52,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:10:52,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 19:10:52,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-12-09 19:10:52,308 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 4 states. [2020-12-09 19:10:52,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:10:52,439 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2020-12-09 19:10:52,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 19:10:52,440 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-12-09 19:10:52,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:10:52,440 INFO L225 Difference]: With dead ends: 64 [2020-12-09 19:10:52,441 INFO L226 Difference]: Without dead ends: 64 [2020-12-09 19:10:52,441 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-09 19:10:52,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-12-09 19:10:52,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 43. [2020-12-09 19:10:52,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-09 19:10:52,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2020-12-09 19:10:52,443 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 18 [2020-12-09 19:10:52,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:10:52,443 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2020-12-09 19:10:52,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 19:10:52,444 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2020-12-09 19:10:52,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 19:10:52,444 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:10:52,444 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:10:53,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,18 cvc4 --incremental --print-success --lang smt [2020-12-09 19:10:53,047 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:10:53,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:10:53,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1348463924, now seen corresponding path program 1 times [2020-12-09 19:10:53,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:10:53,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [532615727] [2020-12-09 19:10:53,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 20 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with mathsat -unsat_core_generation=3 [2020-12-09 19:10:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:53,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:10:53,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:53,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:53,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:53,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:53,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [532615727] [2020-12-09 19:10:53,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [907008833] [2020-12-09 19:10:53,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/cvc4 Starting monitored process 21 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:10:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:53,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:10:53,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:53,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 19:10:53,277 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:10:53,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 19:10:53,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2020-12-09 19:10:53,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023789680] [2020-12-09 19:10:53,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 19:10:53,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:10:53,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 19:10:53,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-12-09 19:10:53,279 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 5 states. [2020-12-09 19:10:53,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:10:53,322 INFO L93 Difference]: Finished difference Result 63 states and 69 transitions. [2020-12-09 19:10:53,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 19:10:53,322 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-09 19:10:53,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:10:53,322 INFO L225 Difference]: With dead ends: 63 [2020-12-09 19:10:53,322 INFO L226 Difference]: Without dead ends: 63 [2020-12-09 19:10:53,323 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-12-09 19:10:53,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-12-09 19:10:53,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 46. [2020-12-09 19:10:53,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-12-09 19:10:53,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2020-12-09 19:10:53,326 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 22 [2020-12-09 19:10:53,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:10:53,326 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2020-12-09 19:10:53,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 19:10:53,326 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2020-12-09 19:10:53,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 19:10:53,327 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:10:53,327 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:10:53,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 mathsat -unsat_core_generation=3,21 cvc4 --incremental --print-success --lang smt [2020-12-09 19:10:53,729 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:10:53,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:10:53,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1348466807, now seen corresponding path program 1 times [2020-12-09 19:10:53,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:10:53,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908030741] [2020-12-09 19:10:53,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 22 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with mathsat -unsat_core_generation=3 [2020-12-09 19:10:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:53,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:10:53,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:53,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:53,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:53,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1908030741] [2020-12-09 19:10:53,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1394217691] [2020-12-09 19:10:53,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/cvc4 Starting monitored process 23 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:10:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:53,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:10:53,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:53,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:53,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:53,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:53,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096646072] [2020-12-09 19:10:53,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:10:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:54,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 19:10:54,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:54,040 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-12-09 19:10:54,040 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:10:54,042 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:10:54,042 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:10:54,042 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-12-09 19:10:54,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 19:10:54,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:10:54,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2020-12-09 19:10:54,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5, 5, 5] total 10 [2020-12-09 19:10:54,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717138543] [2020-12-09 19:10:54,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 19:10:54,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:10:54,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 19:10:54,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-12-09 19:10:54,068 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand 4 states. [2020-12-09 19:10:54,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:10:54,159 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2020-12-09 19:10:54,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 19:10:54,160 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-12-09 19:10:54,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:10:54,160 INFO L225 Difference]: With dead ends: 44 [2020-12-09 19:10:54,160 INFO L226 Difference]: Without dead ends: 44 [2020-12-09 19:10:54,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-09 19:10:54,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-12-09 19:10:54,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-12-09 19:10:54,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-12-09 19:10:54,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2020-12-09 19:10:54,164 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 22 [2020-12-09 19:10:54,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:10:54,164 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2020-12-09 19:10:54,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 19:10:54,164 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2020-12-09 19:10:54,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 19:10:54,165 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:10:54,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:10:54,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 cvc4 --incremental --print-success --lang smt,22 mathsat -unsat_core_generation=3,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:10:54,768 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:10:54,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:10:54,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1348466806, now seen corresponding path program 1 times [2020-12-09 19:10:54,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:10:54,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135220238] [2020-12-09 19:10:54,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 25 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with mathsat -unsat_core_generation=3 [2020-12-09 19:10:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:54,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:10:54,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:54,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:54,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:54,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:54,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135220238] [2020-12-09 19:10:54,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1929885047] [2020-12-09 19:10:54,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/cvc4 Starting monitored process 26 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:10:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:54,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:10:54,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:55,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:55,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:55,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:55,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417498782] [2020-12-09 19:10:55,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:10:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:55,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 19:10:55,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:55,068 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-12-09 19:10:55,069 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:10:55,074 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:10:55,074 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:10:55,075 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-12-09 19:10:55,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 19:10:55,123 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:10:55,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2020-12-09 19:10:55,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5, 5, 5] total 10 [2020-12-09 19:10:55,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178649142] [2020-12-09 19:10:55,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 19:10:55,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:10:55,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 19:10:55,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-12-09 19:10:55,124 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand 4 states. [2020-12-09 19:10:55,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:10:55,220 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2020-12-09 19:10:55,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 19:10:55,221 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-12-09 19:10:55,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:10:55,221 INFO L225 Difference]: With dead ends: 43 [2020-12-09 19:10:55,221 INFO L226 Difference]: Without dead ends: 43 [2020-12-09 19:10:55,221 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-09 19:10:55,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-09 19:10:55,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-12-09 19:10:55,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-09 19:10:55,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2020-12-09 19:10:55,223 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 22 [2020-12-09 19:10:55,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:10:55,224 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2020-12-09 19:10:55,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 19:10:55,224 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2020-12-09 19:10:55,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 19:10:55,224 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:10:55,224 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:10:55,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 cvc4 --incremental --print-success --lang smt,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,25 mathsat -unsat_core_generation=3 [2020-12-09 19:10:55,827 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:10:55,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:10:55,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1638103309, now seen corresponding path program 1 times [2020-12-09 19:10:55,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:10:55,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2142141242] [2020-12-09 19:10:55,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 28 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with mathsat -unsat_core_generation=3 [2020-12-09 19:10:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:55,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:10:55,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:55,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 19:10:55,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:55,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 19:10:55,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2142141242] [2020-12-09 19:10:55,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [796786508] [2020-12-09 19:10:55,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/cvc4 Starting monitored process 29 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:10:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:56,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:10:56,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:56,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 19:10:56,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:56,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 19:10:56,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310810945] [2020-12-09 19:10:56,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:10:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:56,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-09 19:10:56,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:56,162 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-12-09 19:10:56,163 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:10:56,167 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:10:56,167 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:10:56,167 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-12-09 19:10:56,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 19:10:56,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:56,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 19:10:56,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 19:10:56,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 4, 4] total 14 [2020-12-09 19:10:56,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545649474] [2020-12-09 19:10:56,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-09 19:10:56,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:10:56,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-09 19:10:56,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-12-09 19:10:56,723 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 14 states. [2020-12-09 19:10:57,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:10:57,899 INFO L93 Difference]: Finished difference Result 101 states and 113 transitions. [2020-12-09 19:10:57,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-09 19:10:57,901 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 23 [2020-12-09 19:10:57,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:10:57,901 INFO L225 Difference]: With dead ends: 101 [2020-12-09 19:10:57,901 INFO L226 Difference]: Without dead ends: 101 [2020-12-09 19:10:57,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=143, Invalid=457, Unknown=0, NotChecked=0, Total=600 [2020-12-09 19:10:57,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-12-09 19:10:57,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 56. [2020-12-09 19:10:57,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-12-09 19:10:57,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 63 transitions. [2020-12-09 19:10:57,904 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 63 transitions. Word has length 23 [2020-12-09 19:10:57,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:10:57,905 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 63 transitions. [2020-12-09 19:10:57,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-09 19:10:57,905 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2020-12-09 19:10:57,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-09 19:10:57,905 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:10:57,905 INFO L422 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:10:58,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,29 cvc4 --incremental --print-success --lang smt,28 mathsat -unsat_core_generation=3 [2020-12-09 19:10:58,508 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:10:58,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:10:58,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1542274283, now seen corresponding path program 1 times [2020-12-09 19:10:58,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:10:58,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [445205360] [2020-12-09 19:10:58,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 31 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with mathsat -unsat_core_generation=3 [2020-12-09 19:10:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:58,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 19:10:58,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:58,642 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:58,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:58,797 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:58,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [445205360] [2020-12-09 19:10:58,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1979220069] [2020-12-09 19:10:58,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/cvc4 Starting monitored process 32 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:10:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:58,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 19:10:58,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:58,925 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:58,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:10:58,940 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:58,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428033712] [2020-12-09 19:10:58,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:10:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:58,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-09 19:10:58,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:59,000 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-12-09 19:10:59,001 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:10:59,005 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:10:59,005 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:10:59,005 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-12-09 19:10:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 19:10:59,057 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:10:59,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2020-12-09 19:10:59,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8, 8, 8, 8] total 16 [2020-12-09 19:10:59,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610975589] [2020-12-09 19:10:59,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 19:10:59,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:10:59,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 19:10:59,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-12-09 19:10:59,058 INFO L87 Difference]: Start difference. First operand 56 states and 63 transitions. Second operand 4 states. [2020-12-09 19:10:59,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:10:59,172 INFO L93 Difference]: Finished difference Result 67 states and 75 transitions. [2020-12-09 19:10:59,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 19:10:59,173 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-12-09 19:10:59,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:10:59,173 INFO L225 Difference]: With dead ends: 67 [2020-12-09 19:10:59,173 INFO L226 Difference]: Without dead ends: 67 [2020-12-09 19:10:59,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2020-12-09 19:10:59,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-12-09 19:10:59,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 59. [2020-12-09 19:10:59,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-12-09 19:10:59,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 67 transitions. [2020-12-09 19:10:59,176 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 67 transitions. Word has length 27 [2020-12-09 19:10:59,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:10:59,176 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 67 transitions. [2020-12-09 19:10:59,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 19:10:59,176 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2020-12-09 19:10:59,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-09 19:10:59,177 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:10:59,177 INFO L422 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:10:59,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,32 cvc4 --incremental --print-success --lang smt,31 mathsat -unsat_core_generation=3 [2020-12-09 19:10:59,779 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:10:59,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:10:59,780 INFO L82 PathProgramCache]: Analyzing trace with hash -184409924, now seen corresponding path program 1 times [2020-12-09 19:10:59,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:10:59,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [905569307] [2020-12-09 19:10:59,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 34 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with mathsat -unsat_core_generation=3 [2020-12-09 19:10:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:10:59,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 19:10:59,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:10:59,904 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:10:59,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:11:00,054 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:11:00,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [905569307] [2020-12-09 19:11:00,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [670457932] [2020-12-09 19:11:00,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/cvc4 Starting monitored process 35 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:11:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:11:00,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 19:11:00,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:11:00,210 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 19:11:00,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:11:00,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 19:11:00,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 8] total 19 [2020-12-09 19:11:00,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130241197] [2020-12-09 19:11:00,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 19:11:00,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:11:00,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 19:11:00,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2020-12-09 19:11:00,211 INFO L87 Difference]: Start difference. First operand 59 states and 67 transitions. Second operand 7 states. [2020-12-09 19:11:00,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:11:00,371 INFO L93 Difference]: Finished difference Result 89 states and 97 transitions. [2020-12-09 19:11:00,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-09 19:11:00,371 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2020-12-09 19:11:00,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:11:00,372 INFO L225 Difference]: With dead ends: 89 [2020-12-09 19:11:00,372 INFO L226 Difference]: Without dead ends: 89 [2020-12-09 19:11:00,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=488, Unknown=0, NotChecked=0, Total=600 [2020-12-09 19:11:00,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-12-09 19:11:00,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 62. [2020-12-09 19:11:00,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-12-09 19:11:00,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2020-12-09 19:11:00,376 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 31 [2020-12-09 19:11:00,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:11:00,376 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2020-12-09 19:11:00,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 19:11:00,376 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2020-12-09 19:11:00,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-09 19:11:00,377 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:11:00,377 INFO L422 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:11:00,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 cvc4 --incremental --print-success --lang smt,34 mathsat -unsat_core_generation=3 [2020-12-09 19:11:00,779 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:11:00,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:11:00,780 INFO L82 PathProgramCache]: Analyzing trace with hash -184412807, now seen corresponding path program 1 times [2020-12-09 19:11:00,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:11:00,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [35084152] [2020-12-09 19:11:00,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 36 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with mathsat -unsat_core_generation=3 [2020-12-09 19:11:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:11:00,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 19:11:00,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:11:00,925 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:11:00,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:11:01,085 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:11:01,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [35084152] [2020-12-09 19:11:01,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1415728058] [2020-12-09 19:11:01,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/cvc4 Starting monitored process 37 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:11:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:11:01,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 19:11:01,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:11:01,215 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:11:01,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:11:01,232 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:11:01,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647008700] [2020-12-09 19:11:01,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:11:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:11:01,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-09 19:11:01,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:11:01,293 INFO L382 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 [2020-12-09 19:11:01,293 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:01,295 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:01,295 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:01,296 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2020-12-09 19:11:01,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:11:01,350 INFO L348 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2020-12-09 19:11:01,351 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 35 [2020-12-09 19:11:01,352 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:01,363 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:01,363 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:01,363 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:30 [2020-12-09 19:11:01,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:11:01,476 INFO L348 Elim1Store]: treesize reduction 232, result has 13.8 percent of original size [2020-12-09 19:11:01,476 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 54 treesize of output 63 [2020-12-09 19:11:01,478 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:01,494 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:01,495 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:01,495 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:54, output treesize:54 [2020-12-09 19:11:01,693 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 33 [2020-12-09 19:11:01,693 INFO L348 Elim1Store]: treesize reduction 414, result has 11.3 percent of original size [2020-12-09 19:11:01,694 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 16 case distinctions, treesize of input 72 treesize of output 87 [2020-12-09 19:11:01,696 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:01,723 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:01,724 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:01,724 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:72 [2020-12-09 19:11:01,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:11:02,049 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 45 [2020-12-09 19:11:02,050 INFO L348 Elim1Store]: treesize reduction 688, result has 9.6 percent of original size [2020-12-09 19:11:02,050 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 29 case distinctions, treesize of input 94 treesize of output 115 [2020-12-09 19:11:02,053 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:02,094 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:02,095 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:02,095 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:94, output treesize:96 [2020-12-09 19:11:02,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:11:02,644 WARN L197 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 55 [2020-12-09 19:11:02,644 INFO L348 Elim1Store]: treesize reduction 988, result has 8.4 percent of original size [2020-12-09 19:11:02,645 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 118 treesize of output 145 [2020-12-09 19:11:02,648 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:02,694 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:02,695 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:02,695 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:118, output treesize:116 [2020-12-09 19:11:03,461 WARN L197 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 63 [2020-12-09 19:11:03,461 INFO L348 Elim1Store]: treesize reduction 1290, result has 7.7 percent of original size [2020-12-09 19:11:03,461 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 1 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 67 case distinctions, treesize of input 132 treesize of output 165 [2020-12-09 19:11:03,464 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:03,521 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:03,522 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:03,522 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:132, output treesize:138 [2020-12-09 19:11:03,862 INFO L348 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2020-12-09 19:11:03,862 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 147 treesize of output 67 [2020-12-09 19:11:03,870 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:03,873 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:03,874 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:03,874 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:150, output treesize:7 [2020-12-09 19:11:03,919 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 19:11:03,919 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:11:03,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2020-12-09 19:11:03,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [8, 8, 8, 8] total 23 [2020-12-09 19:11:03,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364894906] [2020-12-09 19:11:03,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-09 19:11:03,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:11:03,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-09 19:11:03,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=406, Unknown=0, NotChecked=0, Total=506 [2020-12-09 19:11:03,920 INFO L87 Difference]: Start difference. First operand 62 states and 70 transitions. Second operand 11 states. [2020-12-09 19:11:04,340 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-12-09 19:11:04,626 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-12-09 19:11:04,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:11:04,770 INFO L93 Difference]: Finished difference Result 59 states and 66 transitions. [2020-12-09 19:11:04,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-09 19:11:04,771 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2020-12-09 19:11:04,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:11:04,772 INFO L225 Difference]: With dead ends: 59 [2020-12-09 19:11:04,772 INFO L226 Difference]: Without dead ends: 59 [2020-12-09 19:11:04,772 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2020-12-09 19:11:04,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-12-09 19:11:04,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-12-09 19:11:04,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-12-09 19:11:04,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2020-12-09 19:11:04,774 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 66 transitions. Word has length 31 [2020-12-09 19:11:04,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:11:04,774 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 66 transitions. [2020-12-09 19:11:04,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-09 19:11:04,774 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2020-12-09 19:11:04,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-09 19:11:04,775 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:11:04,775 INFO L422 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:11:05,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,36 mathsat -unsat_core_generation=3,37 cvc4 --incremental --print-success --lang smt [2020-12-09 19:11:05,378 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:11:05,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:11:05,379 INFO L82 PathProgramCache]: Analyzing trace with hash 186242871, now seen corresponding path program 1 times [2020-12-09 19:11:05,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:11:05,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [900651095] [2020-12-09 19:11:05,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 39 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with mathsat -unsat_core_generation=3 [2020-12-09 19:11:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:11:05,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 19:11:05,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:11:05,523 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 19:11:05,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:11:05,684 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 19:11:05,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [900651095] [2020-12-09 19:11:05,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [389494014] [2020-12-09 19:11:05,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/cvc4 Starting monitored process 40 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:11:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:11:05,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 19:11:05,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:11:05,826 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 19:11:05,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:11:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 19:11:05,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462604467] [2020-12-09 19:11:05,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:11:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:11:05,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 19:11:05,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:11:05,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:11:05,925 INFO L348 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-12-09 19:11:05,926 INFO L382 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 1 case distinctions, treesize of input 20 treesize of output 20 [2020-12-09 19:11:05,926 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:05,934 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:05,935 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:05,935 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:21 [2020-12-09 19:11:06,138 INFO L348 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2020-12-09 19:11:06,139 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 15 [2020-12-09 19:11:06,140 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:06,144 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:06,144 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:06,144 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:38, output treesize:7 [2020-12-09 19:11:06,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 19:11:06,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:11:06,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 19:11:06,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2020-12-09 19:11:06,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 8, 8, 8, 8] total 25 [2020-12-09 19:11:06,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024801310] [2020-12-09 19:11:06,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 19:11:06,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:11:06,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 19:11:06,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2020-12-09 19:11:06,367 INFO L87 Difference]: Start difference. First operand 59 states and 66 transitions. Second operand 7 states. [2020-12-09 19:11:06,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:11:06,542 INFO L93 Difference]: Finished difference Result 58 states and 64 transitions. [2020-12-09 19:11:06,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 19:11:06,543 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2020-12-09 19:11:06,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:11:06,543 INFO L225 Difference]: With dead ends: 58 [2020-12-09 19:11:06,543 INFO L226 Difference]: Without dead ends: 58 [2020-12-09 19:11:06,543 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=109, Invalid=593, Unknown=0, NotChecked=0, Total=702 [2020-12-09 19:11:06,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-12-09 19:11:06,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2020-12-09 19:11:06,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-12-09 19:11:06,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions. [2020-12-09 19:11:06,545 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 36 [2020-12-09 19:11:06,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:11:06,545 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions. [2020-12-09 19:11:06,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 19:11:06,545 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2020-12-09 19:11:06,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-09 19:11:06,546 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:11:06,546 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:11:07,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 mathsat -unsat_core_generation=3,40 cvc4 --incremental --print-success --lang smt,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:11:07,149 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:11:07,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:11:07,150 INFO L82 PathProgramCache]: Analyzing trace with hash 750394483, now seen corresponding path program 2 times [2020-12-09 19:11:07,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:11:07,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123530309] [2020-12-09 19:11:07,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 42 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with mathsat -unsat_core_generation=3 [2020-12-09 19:11:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:11:07,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 19:11:07,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:11:07,286 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-09 19:11:07,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:11:07,464 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-09 19:11:07,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123530309] [2020-12-09 19:11:07,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1193369209] [2020-12-09 19:11:07,464 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/cvc4 Starting monitored process 43 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:11:07,710 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-09 19:11:07,710 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 19:11:07,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 19:11:07,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:11:07,729 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-09 19:11:07,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:11:07,747 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-09 19:11:07,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107775602] [2020-12-09 19:11:07,748 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:11:08,621 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-09 19:11:08,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 19:11:08,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-09 19:11:08,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:11:08,635 INFO L382 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 [2020-12-09 19:11:08,635 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:08,637 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:08,637 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:08,637 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2020-12-09 19:11:08,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:11:08,679 INFO L348 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2020-12-09 19:11:08,679 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 33 [2020-12-09 19:11:08,681 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:08,693 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:08,693 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:08,693 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:30 [2020-12-09 19:11:08,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:11:08,809 INFO L348 Elim1Store]: treesize reduction 232, result has 13.8 percent of original size [2020-12-09 19:11:08,809 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 52 treesize of output 61 [2020-12-09 19:11:08,810 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:08,828 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:08,829 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:08,829 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:52, output treesize:54 [2020-12-09 19:11:08,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:11:09,048 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 34 [2020-12-09 19:11:09,048 INFO L348 Elim1Store]: treesize reduction 426, result has 11.1 percent of original size [2020-12-09 19:11:09,048 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 16 case distinctions, treesize of input 74 treesize of output 88 [2020-12-09 19:11:09,051 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:09,076 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:09,076 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:09,076 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:72 [2020-12-09 19:11:09,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:11:09,411 WARN L197 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 45 [2020-12-09 19:11:09,412 INFO L348 Elim1Store]: treesize reduction 688, result has 9.6 percent of original size [2020-12-09 19:11:09,412 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 29 case distinctions, treesize of input 96 treesize of output 117 [2020-12-09 19:11:09,414 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:09,449 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:09,450 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:09,450 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:96, output treesize:94 [2020-12-09 19:11:09,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:11:09,985 WARN L197 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 55 [2020-12-09 19:11:09,985 INFO L348 Elim1Store]: treesize reduction 988, result has 8.4 percent of original size [2020-12-09 19:11:09,986 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 116 treesize of output 143 [2020-12-09 19:11:09,988 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:10,041 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:10,042 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:10,042 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:116, output treesize:116 [2020-12-09 19:11:10,828 WARN L197 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 63 [2020-12-09 19:11:10,829 INFO L348 Elim1Store]: treesize reduction 1290, result has 7.7 percent of original size [2020-12-09 19:11:10,829 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 1 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 67 case distinctions, treesize of input 134 treesize of output 167 [2020-12-09 19:11:10,832 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:10,894 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:10,896 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:10,896 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:134, output treesize:136 [2020-12-09 19:11:11,873 INFO L348 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2020-12-09 19:11:11,874 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 147 treesize of output 67 [2020-12-09 19:11:11,880 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:11,884 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:11,885 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:11,885 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:150, output treesize:9 [2020-12-09 19:11:11,965 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 19:11:11,965 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:11:12,837 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 19:11:12,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 19:11:12,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 14, 8] total 32 [2020-12-09 19:11:12,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716447007] [2020-12-09 19:11:12,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-12-09 19:11:12,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:11:12,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-12-09 19:11:12,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=856, Unknown=0, NotChecked=0, Total=992 [2020-12-09 19:11:12,838 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand 32 states. [2020-12-09 19:11:14,809 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-12-09 19:11:15,280 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-12-09 19:11:15,788 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-12-09 19:11:16,388 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-12-09 19:11:16,756 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-12-09 19:11:17,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:11:17,409 INFO L93 Difference]: Finished difference Result 98 states and 107 transitions. [2020-12-09 19:11:17,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-09 19:11:17,409 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 36 [2020-12-09 19:11:17,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:11:17,410 INFO L225 Difference]: With dead ends: 98 [2020-12-09 19:11:17,410 INFO L226 Difference]: Without dead ends: 98 [2020-12-09 19:11:17,411 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 174 SyntacticMatches, 6 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 679 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=435, Invalid=2217, Unknown=0, NotChecked=0, Total=2652 [2020-12-09 19:11:17,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-12-09 19:11:17,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 60. [2020-12-09 19:11:17,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-12-09 19:11:17,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2020-12-09 19:11:17,414 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 36 [2020-12-09 19:11:17,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:11:17,414 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2020-12-09 19:11:17,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-12-09 19:11:17,414 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2020-12-09 19:11:17,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-09 19:11:17,415 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:11:17,415 INFO L422 BasicCegarLoop]: trace histogram [10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:11:18,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 mathsat -unsat_core_generation=3,43 cvc4 --incremental --print-success --lang smt,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:11:18,018 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:11:18,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:11:18,019 INFO L82 PathProgramCache]: Analyzing trace with hash -887844479, now seen corresponding path program 1 times [2020-12-09 19:11:18,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:11:18,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [158633119] [2020-12-09 19:11:18,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 45 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with mathsat -unsat_core_generation=3 [2020-12-09 19:11:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:11:18,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-09 19:11:18,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:11:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-09 19:11:18,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:11:18,874 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-09 19:11:18,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [158633119] [2020-12-09 19:11:18,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1782820769] [2020-12-09 19:11:18,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/cvc4 Starting monitored process 46 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:11:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:11:19,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-09 19:11:19,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:11:19,067 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-09 19:11:19,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:11:19,090 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-09 19:11:19,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830026947] [2020-12-09 19:11:19,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:11:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:11:19,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-09 19:11:19,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:11:19,165 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-12-09 19:11:19,166 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:19,170 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:19,170 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:19,171 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-12-09 19:11:19,302 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-12-09 19:11:19,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:11:20,018 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-12-09 19:11:20,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 19:11:20,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14, 14, 4, 4] total 32 [2020-12-09 19:11:20,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310131017] [2020-12-09 19:11:20,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-12-09 19:11:20,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:11:20,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-12-09 19:11:20,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=782, Unknown=0, NotChecked=0, Total=992 [2020-12-09 19:11:20,019 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 32 states. [2020-12-09 19:11:23,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:11:23,624 INFO L93 Difference]: Finished difference Result 94 states and 101 transitions. [2020-12-09 19:11:23,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-09 19:11:23,625 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 43 [2020-12-09 19:11:23,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:11:23,626 INFO L225 Difference]: With dead ends: 94 [2020-12-09 19:11:23,626 INFO L226 Difference]: Without dead ends: 94 [2020-12-09 19:11:23,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 220 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 684 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=791, Invalid=2749, Unknown=0, NotChecked=0, Total=3540 [2020-12-09 19:11:23,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-12-09 19:11:23,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 82. [2020-12-09 19:11:23,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-12-09 19:11:23,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 89 transitions. [2020-12-09 19:11:23,628 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 89 transitions. Word has length 43 [2020-12-09 19:11:23,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:11:23,629 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 89 transitions. [2020-12-09 19:11:23,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-12-09 19:11:23,629 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2020-12-09 19:11:23,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-09 19:11:23,630 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:11:23,630 INFO L422 BasicCegarLoop]: trace histogram [22, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:11:24,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,45 mathsat -unsat_core_generation=3,46 cvc4 --incremental --print-success --lang smt [2020-12-09 19:11:24,232 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:11:24,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:11:24,233 INFO L82 PathProgramCache]: Analyzing trace with hash -189005230, now seen corresponding path program 1 times [2020-12-09 19:11:24,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:11:24,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572621698] [2020-12-09 19:11:24,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 48 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with mathsat -unsat_core_generation=3 [2020-12-09 19:11:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:11:24,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-09 19:11:24,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:11:24,723 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 19:11:24,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:11:26,881 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 19:11:26,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572621698] [2020-12-09 19:11:26,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1966333607] [2020-12-09 19:11:26,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/cvc4 Starting monitored process 49 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:11:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:11:27,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-09 19:11:27,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:11:27,096 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 19:11:27,096 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:11:27,132 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 19:11:27,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067009446] [2020-12-09 19:11:27,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:11:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:11:27,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 24 conjunts are in the unsatisfiable core [2020-12-09 19:11:27,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:11:27,237 INFO L382 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 [2020-12-09 19:11:27,237 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:27,239 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:27,239 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:27,239 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2020-12-09 19:11:27,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:11:27,317 INFO L348 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2020-12-09 19:11:27,318 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 33 [2020-12-09 19:11:27,319 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:27,328 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:27,328 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:27,329 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:32 [2020-12-09 19:11:27,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:11:27,512 INFO L348 Elim1Store]: treesize reduction 232, result has 13.8 percent of original size [2020-12-09 19:11:27,512 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 52 treesize of output 61 [2020-12-09 19:11:27,513 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:27,530 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:27,530 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:27,530 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:52, output treesize:54 [2020-12-09 19:11:27,811 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 33 [2020-12-09 19:11:27,811 INFO L348 Elim1Store]: treesize reduction 414, result has 11.3 percent of original size [2020-12-09 19:11:27,812 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 16 case distinctions, treesize of input 70 treesize of output 85 [2020-12-09 19:11:27,813 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:27,838 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:27,839 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:27,839 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:72 [2020-12-09 19:11:28,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:11:28,269 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 45 [2020-12-09 19:11:28,270 INFO L348 Elim1Store]: treesize reduction 688, result has 9.6 percent of original size [2020-12-09 19:11:28,270 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 29 case distinctions, treesize of input 94 treesize of output 115 [2020-12-09 19:11:28,272 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:28,306 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:28,306 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:28,306 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:94, output treesize:98 [2020-12-09 19:11:28,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:11:28,992 WARN L197 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 55 [2020-12-09 19:11:28,992 INFO L348 Elim1Store]: treesize reduction 988, result has 8.4 percent of original size [2020-12-09 19:11:28,992 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 118 treesize of output 145 [2020-12-09 19:11:28,995 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:29,048 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:29,049 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:29,049 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:118, output treesize:114 [2020-12-09 19:11:30,063 WARN L197 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 63 [2020-12-09 19:11:30,064 INFO L348 Elim1Store]: treesize reduction 1290, result has 7.7 percent of original size [2020-12-09 19:11:30,064 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 1 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 67 case distinctions, treesize of input 134 treesize of output 167 [2020-12-09 19:11:30,067 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:30,130 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:30,131 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:30,131 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:134, output treesize:136 [2020-12-09 19:11:32,643 INFO L348 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2020-12-09 19:11:32,643 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 145 treesize of output 65 [2020-12-09 19:11:32,647 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:32,651 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:32,651 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:32,651 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:150, output treesize:11 [2020-12-09 19:11:32,772 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-12-09 19:11:32,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:11:34,526 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-12-09 19:11:34,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 19:11:34,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26, 26, 15, 10] total 71 [2020-12-09 19:11:34,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110534848] [2020-12-09 19:11:34,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 71 states [2020-12-09 19:11:34,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:11:34,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2020-12-09 19:11:34,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=796, Invalid=4174, Unknown=0, NotChecked=0, Total=4970 [2020-12-09 19:11:34,529 INFO L87 Difference]: Start difference. First operand 82 states and 89 transitions. Second operand 71 states. [2020-12-09 19:11:46,333 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-09 19:11:46,982 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-12-09 19:11:47,749 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-12-09 19:11:48,360 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-12-09 19:11:49,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:11:49,378 INFO L93 Difference]: Finished difference Result 108 states and 113 transitions. [2020-12-09 19:11:49,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-12-09 19:11:49,379 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 59 [2020-12-09 19:11:49,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:11:49,380 INFO L225 Difference]: With dead ends: 108 [2020-12-09 19:11:49,380 INFO L226 Difference]: Without dead ends: 108 [2020-12-09 19:11:49,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 271 SyntacticMatches, 8 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3117 ImplicationChecksByTransitivity, 19.4s TimeCoverageRelationStatistics Valid=2252, Invalid=9520, Unknown=0, NotChecked=0, Total=11772 [2020-12-09 19:11:49,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-12-09 19:11:49,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 106. [2020-12-09 19:11:49,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-12-09 19:11:49,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 111 transitions. [2020-12-09 19:11:49,385 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 111 transitions. Word has length 59 [2020-12-09 19:11:49,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:11:49,385 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 111 transitions. [2020-12-09 19:11:49,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 71 states. [2020-12-09 19:11:49,385 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2020-12-09 19:11:49,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-09 19:11:49,386 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:11:49,386 INFO L422 BasicCegarLoop]: trace histogram [46, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:11:49,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 cvc4 --incremental --print-success --lang smt,50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,48 mathsat -unsat_core_generation=3 [2020-12-09 19:11:49,988 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:11:49,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:11:49,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1673536129, now seen corresponding path program 2 times [2020-12-09 19:11:49,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:11:49,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430294149] [2020-12-09 19:11:49,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 51 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with mathsat -unsat_core_generation=3 [2020-12-09 19:11:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:11:50,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 49 conjunts are in the unsatisfiable core [2020-12-09 19:11:50,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:11:51,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-09 19:11:51,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:11:58,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-09 19:11:58,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430294149] [2020-12-09 19:11:58,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1192626701] [2020-12-09 19:11:58,364 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/cvc4 Starting monitored process 52 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:11:58,829 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-09 19:11:58,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 19:11:58,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 49 conjunts are in the unsatisfiable core [2020-12-09 19:11:58,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:11:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-09 19:11:58,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:11:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-09 19:11:59,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220941510] [2020-12-09 19:11:59,040 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:11:59,828 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-09 19:11:59,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 19:11:59,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-09 19:11:59,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:11:59,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:11:59,881 INFO L348 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-12-09 19:11:59,881 INFO L382 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 1 case distinctions, treesize of input 20 treesize of output 20 [2020-12-09 19:11:59,882 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:11:59,889 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:11:59,889 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:11:59,889 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:21 [2020-12-09 19:12:01,768 INFO L348 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2020-12-09 19:12:01,768 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 17 [2020-12-09 19:12:01,769 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:12:01,774 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:12:01,774 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:12:01,774 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:11 [2020-12-09 19:12:01,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 1082 trivial. 0 not checked. [2020-12-09 19:12:01,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:12:03,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 1082 trivial. 0 not checked. [2020-12-09 19:12:03,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 19:12:03,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 50, 50, 50, 13, 12] total 119 [2020-12-09 19:12:03,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483521964] [2020-12-09 19:12:03,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 119 states [2020-12-09 19:12:03,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:12:03,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2020-12-09 19:12:03,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2585, Invalid=11457, Unknown=0, NotChecked=0, Total=14042 [2020-12-09 19:12:03,825 INFO L87 Difference]: Start difference. First operand 106 states and 111 transitions. Second operand 119 states. [2020-12-09 19:12:08,094 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 9 [2020-12-09 19:12:09,190 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-12-09 19:12:10,331 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 9 [2020-12-09 19:12:11,507 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 9 [2020-12-09 19:12:12,687 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 9 [2020-12-09 19:12:13,919 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 9 [2020-12-09 19:12:15,165 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 9 [2020-12-09 19:12:16,361 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 9 [2020-12-09 19:12:17,627 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 9 [2020-12-09 19:12:18,800 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 9 [2020-12-09 19:12:20,001 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 9 [2020-12-09 19:12:21,217 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 9 [2020-12-09 19:12:22,459 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 9 [2020-12-09 19:12:23,653 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 9 [2020-12-09 19:12:24,832 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 9 [2020-12-09 19:12:26,018 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 9 [2020-12-09 19:12:27,205 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 9 [2020-12-09 19:12:28,435 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 9 [2020-12-09 19:12:29,653 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 9 [2020-12-09 19:12:57,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:12:57,957 INFO L93 Difference]: Finished difference Result 181 states and 186 transitions. [2020-12-09 19:12:57,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2020-12-09 19:12:57,958 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 89 [2020-12-09 19:12:57,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:12:57,959 INFO L225 Difference]: With dead ends: 181 [2020-12-09 19:12:57,959 INFO L226 Difference]: Without dead ends: 154 [2020-12-09 19:12:57,965 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 407 SyntacticMatches, 5 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7070 ImplicationChecksByTransitivity, 60.7s TimeCoverageRelationStatistics Valid=7481, Invalid=26191, Unknown=0, NotChecked=0, Total=33672 [2020-12-09 19:12:57,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-12-09 19:12:57,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2020-12-09 19:12:57,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-12-09 19:12:57,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 157 transitions. [2020-12-09 19:12:57,967 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 157 transitions. Word has length 89 [2020-12-09 19:12:57,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:12:57,967 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 157 transitions. [2020-12-09 19:12:57,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 119 states. [2020-12-09 19:12:57,967 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 157 transitions. [2020-12-09 19:12:57,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-12-09 19:12:57,968 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:12:57,968 INFO L422 BasicCegarLoop]: trace histogram [94, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:12:58,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 mathsat -unsat_core_generation=3,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true,52 cvc4 --incremental --print-success --lang smt [2020-12-09 19:12:58,571 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:12:58,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:12:58,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1311063905, now seen corresponding path program 3 times [2020-12-09 19:12:58,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:12:58,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1830199968] [2020-12-09 19:12:58,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 54 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with mathsat -unsat_core_generation=3 [2020-12-09 19:12:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:12:59,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 24 conjunts are in the unsatisfiable core [2020-12-09 19:12:59,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:12:59,474 INFO L382 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 23 treesize of output 11 [2020-12-09 19:12:59,475 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:12:59,480 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:12:59,481 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:12:59,481 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:13 [2020-12-09 19:12:59,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4510 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 4465 trivial. 0 not checked. [2020-12-09 19:12:59,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:13:00,482 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:13:00,482 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2020-12-09 19:13:00,484 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 19:13:00,486 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 19:13:00,487 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2020-12-09 19:13:00,604 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 14 [2020-12-09 19:13:00,605 INFO L625 ElimStorePlain]: treesize reduction 27, result has 47.1 percent of original size [2020-12-09 19:13:00,605 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-12-09 19:13:00,606 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:24 [2020-12-09 19:13:00,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4510 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 4465 trivial. 0 not checked. [2020-12-09 19:13:00,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1830199968] [2020-12-09 19:13:00,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [861646632] [2020-12-09 19:13:00,827 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/cvc4 Starting monitored process 55 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with cvc4 --incremental --print-success --lang smt [2020-12-09 19:13:07,201 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-12-09 19:13:07,201 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 19:13:07,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 24 conjunts are in the unsatisfiable core [2020-12-09 19:13:07,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:13:07,375 INFO L382 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 [2020-12-09 19:13:07,375 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:13:07,379 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:13:07,380 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:13:07,380 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2020-12-09 19:13:07,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,428 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2020-12-09 19:13:07,428 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:13:07,439 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:13:07,439 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:13:07,440 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:35 [2020-12-09 19:13:07,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,523 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:13:07,523 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 61 [2020-12-09 19:13:07,525 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:13:07,540 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:13:07,540 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:13:07,540 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:55 [2020-12-09 19:13:07,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,648 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:13:07,648 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 22 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 72 treesize of output 87 [2020-12-09 19:13:07,649 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:13:07,671 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:13:07,671 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:13:07,672 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:75 [2020-12-09 19:13:07,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,814 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:13:07,814 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 37 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 92 treesize of output 113 [2020-12-09 19:13:07,815 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:13:07,846 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:13:07,847 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:13:07,847 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:99 [2020-12-09 19:13:07,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:07,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,023 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:13:08,023 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 56 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 118 treesize of output 145 [2020-12-09 19:13:08,025 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:13:08,058 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:13:08,058 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:13:08,059 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:121, output treesize:119 [2020-12-09 19:13:08,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:08,273 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:13:08,273 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 79 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 132 treesize of output 165 [2020-12-09 19:13:08,275 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:13:08,315 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:13:08,316 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:13:08,316 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:139 [2020-12-09 19:13:09,214 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:13:09,215 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 123 treesize of output 67 [2020-12-09 19:13:09,219 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:13:09,223 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:13:09,223 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:13:09,223 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:128, output treesize:11 [2020-12-09 19:13:09,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4510 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 4486 trivial. 0 not checked. [2020-12-09 19:13:09,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:13:09,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4510 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 4486 trivial. 0 not checked. [2020-12-09 19:13:09,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930113979] [2020-12-09 19:13:09,713 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:13:16,903 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-12-09 19:13:16,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 19:13:16,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-09 19:13:16,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:13:16,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 19:13:16,979 INFO L348 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-12-09 19:13:16,979 INFO L382 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 1 case distinctions, treesize of input 20 treesize of output 20 [2020-12-09 19:13:16,980 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:13:16,987 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:13:16,988 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:13:16,988 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:21 [2020-12-09 19:13:18,615 INFO L348 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2020-12-09 19:13:18,615 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 17 [2020-12-09 19:13:18,617 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 19:13:18,622 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 19:13:18,623 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 19:13:18,623 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:46, output treesize:13 [2020-12-09 19:13:18,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4510 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 4465 trivial. 0 not checked. [2020-12-09 19:13:18,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:13:19,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4510 backedges. 5 proven. 40 refuted. 0 times theorem prover too weak. 4465 trivial. 0 not checked. [2020-12-09 19:13:19,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 19:13:19,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 15, 8, 16, 15] total 62 [2020-12-09 19:13:19,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537141510] [2020-12-09 19:13:19,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 62 states [2020-12-09 19:13:19,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:13:19,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2020-12-09 19:13:19,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=438, Invalid=3344, Unknown=0, NotChecked=0, Total=3782 [2020-12-09 19:13:19,492 INFO L87 Difference]: Start difference. First operand 154 states and 157 transitions. Second operand 62 states. [2020-12-09 19:13:21,182 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2020-12-09 19:13:21,361 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2020-12-09 19:13:21,574 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2020-12-09 19:13:21,807 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2020-12-09 19:13:21,982 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-12-09 19:13:22,213 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2020-12-09 19:13:22,405 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2020-12-09 19:13:22,767 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 112 [2020-12-09 19:13:23,117 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 116 [2020-12-09 19:13:23,492 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2020-12-09 19:13:23,911 WARN L197 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2020-12-09 19:13:24,289 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2020-12-09 19:13:24,640 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2020-12-09 19:13:24,894 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-12-09 19:13:24,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:13:24,895 INFO L93 Difference]: Finished difference Result 152 states and 154 transitions. [2020-12-09 19:13:24,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-09 19:13:24,895 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 147 [2020-12-09 19:13:24,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:13:24,896 INFO L225 Difference]: With dead ends: 152 [2020-12-09 19:13:24,896 INFO L226 Difference]: Without dead ends: 152 [2020-12-09 19:13:24,897 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 890 GetRequests, 808 SyntacticMatches, 8 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1932 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=866, Invalid=4834, Unknown=0, NotChecked=0, Total=5700 [2020-12-09 19:13:24,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-12-09 19:13:24,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2020-12-09 19:13:24,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-12-09 19:13:24,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 154 transitions. [2020-12-09 19:13:24,899 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 154 transitions. Word has length 147 [2020-12-09 19:13:24,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:13:24,899 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 154 transitions. [2020-12-09 19:13:24,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 62 states. [2020-12-09 19:13:24,899 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 154 transitions. [2020-12-09 19:13:24,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-09 19:13:24,900 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:13:24,900 INFO L422 BasicCegarLoop]: trace histogram [94, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:13:25,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 cvc4 --incremental --print-success --lang smt,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true,54 mathsat -unsat_core_generation=3 [2020-12-09 19:13:25,502 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-12-09 19:13:25,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:13:25,503 INFO L82 PathProgramCache]: Analyzing trace with hash 770177074, now seen corresponding path program 2 times [2020-12-09 19:13:25,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:13:25,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [361835612] [2020-12-09 19:13:25,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b25d533-2929-4ec7-bd10-596d57a86aea/bin/utaipan/mathsat Starting monitored process 57 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with mathsat -unsat_core_generation=3 [2020-12-09 19:13:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 19:13:26,381 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 19:13:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 19:13:27,183 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 19:13:27,392 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-12-09 19:13:27,392 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 19:13:27,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 mathsat -unsat_core_generation=3 [2020-12-09 19:13:27,612 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,613 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,613 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,613 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,614 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,614 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,614 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,614 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,614 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,615 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,615 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,615 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,615 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,615 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,616 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,616 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,616 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,616 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,617 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,617 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,617 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,617 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,617 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,618 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,618 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,618 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,618 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,618 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,619 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,619 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,619 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,619 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,620 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,620 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,620 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,620 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,620 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,621 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,621 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,621 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,621 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,621 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,622 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,622 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,622 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,622 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,622 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,623 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,623 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,623 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,623 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,623 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,624 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,624 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,624 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,624 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,624 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,624 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,625 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,625 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,625 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,625 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,625 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,625 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,630 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,630 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,630 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,630 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,630 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,630 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,631 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,631 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,631 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,631 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,631 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,631 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,631 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,632 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,632 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,632 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,632 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,632 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,632 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,632 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,633 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,633 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,633 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,633 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,633 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,633 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,633 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,633 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,634 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,634 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,634 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,634 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,634 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,634 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,634 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,634 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,635 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,635 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,635 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,635 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,635 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,635 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,635 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,636 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,636 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,636 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,636 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,636 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,636 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,636 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,636 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,636 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,637 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,637 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,637 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,637 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,637 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,637 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,637 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,637 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,638 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,638 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,638 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,638 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,638 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,638 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,638 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,638 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,639 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,639 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,639 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,639 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,639 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,639 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,639 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,639 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,639 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,640 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,640 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,640 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,640 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,640 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,640 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,640 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,640 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,640 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,641 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,641 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,641 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,641 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,641 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,641 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,641 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,641 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,641 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,641 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,642 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,642 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,642 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,642 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,642 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,642 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,642 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,642 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,642 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,643 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,643 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,643 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,643 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,643 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,643 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,643 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,643 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,643 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,643 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,644 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,644 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,644 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,644 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,644 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,644 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,644 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,644 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,644 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,644 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,645 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,645 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,645 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,645 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,645 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,645 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,645 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,645 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,645 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,645 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,646 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,646 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,646 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,646 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,646 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,646 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,646 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,646 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,646 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,646 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,646 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,646 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,647 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,647 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,647 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,647 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,647 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,647 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,647 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,647 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,647 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,647 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,648 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,648 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,648 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,648 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,648 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,648 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,648 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,648 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,648 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,648 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,648 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,649 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,649 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,649 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,649 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,649 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,649 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,649 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,649 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,649 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,649 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,650 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,650 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,650 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,650 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,650 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,650 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,650 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,650 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,650 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,650 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,650 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,651 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,651 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,651 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,651 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,651 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,651 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,651 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,651 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,651 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,651 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,651 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,652 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,652 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,652 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,652 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,652 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,652 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,652 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,652 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,652 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,652 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,652 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,653 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,653 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,653 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,653 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,653 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,653 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,653 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,653 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,653 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,653 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,653 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,654 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,654 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,654 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,654 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,654 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,654 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,654 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,654 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,654 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,654 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,655 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,655 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,655 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,655 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,655 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,655 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,655 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,655 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,655 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,655 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,655 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,656 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,656 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,656 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,656 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,656 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,656 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,656 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,656 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,656 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,656 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,657 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,657 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,657 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,657 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,657 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,657 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,657 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,657 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,657 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,657 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,657 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,658 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,658 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,658 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,658 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,658 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,658 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,658 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,658 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,658 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,658 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,659 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,659 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,659 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,659 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,659 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,659 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,659 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,659 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,659 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,659 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,659 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,660 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,660 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,660 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,660 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,660 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,660 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,660 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,660 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,660 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,660 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,661 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,661 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,661 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,661 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,661 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,661 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,661 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,661 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,661 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,661 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,662 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,662 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,662 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,662 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,662 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,662 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,662 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,662 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,662 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,662 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,662 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,663 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,663 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,663 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,663 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,663 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,663 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,663 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,663 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,663 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,663 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,663 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,664 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,664 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,664 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,664 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,664 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,664 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,664 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,664 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,664 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,664 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,665 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2020-12-09 19:13:27,665 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,665 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-09 19:13:27,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:13:27 BoogieIcfgContainer [2020-12-09 19:13:27,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 19:13:27,689 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 19:13:27,689 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 19:13:27,690 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 19:13:27,690 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:10:46" (3/4) ... [2020-12-09 19:13:27,692 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 19:13:27,692 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 19:13:27,693 INFO L168 Benchmark]: Toolchain (without parser) took 162008.93 ms. Allocated memory was 58.7 MB in the beginning and 104.9 MB in the end (delta: 46.1 MB). Free memory was 36.8 MB in the beginning and 39.3 MB in the end (delta: -2.5 MB). Peak memory consumption was 44.4 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:27,693 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 58.7 MB. Free memory was 41.5 MB in the beginning and 41.4 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:13:27,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.63 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 36.6 MB in the beginning and 54.9 MB in the end (delta: -18.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:27,694 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.34 ms. Allocated memory is still 86.0 MB. Free memory was 54.9 MB in the beginning and 52.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:27,694 INFO L168 Benchmark]: Boogie Preprocessor took 23.80 ms. Allocated memory is still 86.0 MB. Free memory was 52.6 MB in the beginning and 51.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:27,694 INFO L168 Benchmark]: RCFGBuilder took 443.40 ms. Allocated memory is still 86.0 MB. Free memory was 51.1 MB in the beginning and 66.3 MB in the end (delta: -15.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:27,694 INFO L168 Benchmark]: TraceAbstraction took 161144.42 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 66.1 MB in the beginning and 40.1 MB in the end (delta: 26.0 MB). Peak memory consumption was 68.8 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:27,695 INFO L168 Benchmark]: Witness Printer took 3.13 ms. Allocated memory is still 104.9 MB. Free memory was 40.1 MB in the beginning and 39.3 MB in the end (delta: 873.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:27,696 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 58.7 MB. Free memory was 41.5 MB in the beginning and 41.4 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 354.63 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 36.6 MB in the beginning and 54.9 MB in the end (delta: -18.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.34 ms. Allocated memory is still 86.0 MB. Free memory was 54.9 MB in the beginning and 52.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.80 ms. Allocated memory is still 86.0 MB. Free memory was 52.6 MB in the beginning and 51.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 443.40 ms. Allocated memory is still 86.0 MB. Free memory was 51.1 MB in the beginning and 66.3 MB in the end (delta: -15.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 161144.42 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 66.1 MB in the beginning and 40.1 MB in the end (delta: 26.0 MB). Peak memory consumption was 68.8 MB. Max. memory is 16.1 GB. * Witness Printer took 3.13 ms. Allocated memory is still 104.9 MB. Free memory was 40.1 MB in the beginning and 39.3 MB in the end (delta: 873.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 574]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 574. Possible FailurePath: [L575] Struct3 *p = malloc (sizeof (int) + 3 * sizeof(Union)); [L577] p->Count = 3 [L578] p->List[0].a.Count = 555 [L579] p->List[1].a.Count = 999 [L580] p->List[2].a.Count = 0x101010101ULL [L581] p->List[0].a.Count2 = 555 [L582] p->List[1].a.Count2 = 999 [L583] p->List[2].a.Count2 = 0x101010101LL [L554] unsigned long long count = 0; [L555] int i; [L556] i = 0 [L556] EXPR instrs->Count [L556] COND TRUE i < instrs->Count [L557] EXPR instrs->List[i].a.Count [L557] count += instrs->List[i].a.Count [L556] i++ [L556] EXPR instrs->Count [L556] COND TRUE i < instrs->Count [L557] EXPR instrs->List[i].a.Count [L557] count += instrs->List[i].a.Count [L556] i++ [L556] EXPR instrs->Count [L556] COND TRUE i < instrs->Count [L557] EXPR instrs->List[i].a.Count [L557] count += instrs->List[i].a.Count [L556] i++ [L556] EXPR instrs->Count [L556] COND FALSE !(i < instrs->Count) [L559] return count; [L584] COND FALSE !(Sum(p) != 555 + 999 + 0x101010101ULL) [L564] long long count = 0; [L565] int i; [L566] i = 0 [L566] EXPR instrs->Count [L566] COND TRUE i < instrs->Count [L567] EXPR instrs->List[i].a.Count2 [L567] count += instrs->List[i].a.Count2 [L566] i++ [L566] EXPR instrs->Count [L566] COND TRUE i < instrs->Count [L567] EXPR instrs->List[i].a.Count2 [L567] count += instrs->List[i].a.Count2 [L566] i++ [L566] EXPR instrs->Count [L566] COND TRUE i < instrs->Count [L567] EXPR instrs->List[i].a.Count2 [L567] count += instrs->List[i].a.Count2 [L566] i++ [L566] EXPR instrs->Count [L566] COND FALSE !(i < instrs->Count) [L569] return count; [L586] COND FALSE !(Sum2(p) != 555 + 999 + 0x101010101LL) [L588] p = ((void *)0) [L589] return 0; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 25 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 161.0s, OverallIterations: 22, TraceHistogramMax: 94, AutomataDifference: 86.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 620 SDtfs, 3081 SDslu, 3999 SDs, 0 SdLazy, 8316 SolverSat, 931 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3711 GetRequests, 3025 SyntacticMatches, 32 SemanticMatches, 654 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14283 ImplicationChecksByTransitivity, 102.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=20, 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, 21 MinimizatonAttempts, 172 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 18.7s SatisfiabilityAnalysisTime, 41.4s InterpolantComputationTime, 2074 NumberOfCodeBlocks, 1898 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 3515 ConstructedInterpolants, 0 QuantifiedInterpolants, 2164709 SizeOfPredicates, 224 NumberOfNonLiveVariables, 6854 ConjunctsInSsa, 570 ConjunctsInUnsatCore, 96 InterpolantComputations, 15 PerfectInterpolantSequences, 30012/36072 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...