./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF --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 eba94063d18105b44b9503ed48a138d00b9b850cd51aae19571aab60c15e268e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:35:59,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:35:59,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:35:59,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:35:59,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:35:59,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:35:59,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:35:59,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:35:59,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:35:59,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:35:59,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:35:59,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:35:59,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:35:59,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:35:59,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:35:59,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:35:59,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:35:59,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:35:59,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:35:59,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:35:59,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:35:59,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:35:59,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:35:59,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:35:59,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:35:59,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:35:59,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:35:59,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:35:59,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:35:59,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:35:59,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:35:59,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:35:59,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:35:59,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:35:59,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:35:59,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:35:59,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:35:59,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:35:59,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:35:59,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:35:59,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:35:59,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-13 01:35:59,978 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:35:59,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:35:59,979 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:35:59,986 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:35:59,986 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:35:59,986 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:35:59,986 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:35:59,986 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:35:59,987 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:35:59,987 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:35:59,987 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:35:59,987 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:35:59,987 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:35:59,988 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:35:59,988 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:35:59,988 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:35:59,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 01:35:59,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 01:35:59,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:35:59,989 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 01:35:59,990 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 01:35:59,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:35:59,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 01:35:59,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:35:59,990 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 01:35:59,990 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 01:35:59,991 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 01:35:59,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:35:59,991 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:35:59,991 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 01:35:59,991 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:35:59,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:35:59,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:35:59,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:35:59,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:35:59,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:35:59,993 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:35:59,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:35:59,993 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:35:59,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:35:59,993 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eba94063d18105b44b9503ed48a138d00b9b850cd51aae19571aab60c15e268e [2021-11-13 01:36:00,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:36:00,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:36:00,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:36:00,313 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:36:00,314 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:36:00,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i [2021-11-13 01:36:00,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/data/feaff185c/793575ad56f5437ba79ac1d08dfd8fcb/FLAG55e850f9b [2021-11-13 01:36:01,001 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:36:01,002 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i [2021-11-13 01:36:01,023 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/data/feaff185c/793575ad56f5437ba79ac1d08dfd8fcb/FLAG55e850f9b [2021-11-13 01:36:01,262 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/data/feaff185c/793575ad56f5437ba79ac1d08dfd8fcb [2021-11-13 01:36:01,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:36:01,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:36:01,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:36:01,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:36:01,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:36:01,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:36:01" (1/1) ... [2021-11-13 01:36:01,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245549b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:01, skipping insertion in model container [2021-11-13 01:36:01,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:36:01" (1/1) ... [2021-11-13 01:36:01,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:36:01,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:36:01,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:36:01,627 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:36:01,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:36:01,704 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:36:01,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:01 WrapperNode [2021-11-13 01:36:01,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:36:01,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:36:01,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:36:01,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:36:01,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:01" (1/1) ... [2021-11-13 01:36:01,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:01" (1/1) ... [2021-11-13 01:36:01,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:36:01,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:36:01,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:36:01,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:36:01,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:01" (1/1) ... [2021-11-13 01:36:01,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:01" (1/1) ... [2021-11-13 01:36:01,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:01" (1/1) ... [2021-11-13 01:36:01,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:01" (1/1) ... [2021-11-13 01:36:01,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:01" (1/1) ... [2021-11-13 01:36:01,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:01" (1/1) ... [2021-11-13 01:36:01,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:01" (1/1) ... [2021-11-13 01:36:01,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:36:01,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:36:01,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:36:01,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:36:01,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:01" (1/1) ... [2021-11-13 01:36:01,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:36:01,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:36:01,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:36:01,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:36:01,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 01:36:01,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:36:01,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:36:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:36:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:36:02,105 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:36:02,106 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 01:36:02,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:36:02 BoogieIcfgContainer [2021-11-13 01:36:02,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:36:02,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:36:02,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:36:02,114 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:36:02,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:36:01" (1/3) ... [2021-11-13 01:36:02,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2594071e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:36:02, skipping insertion in model container [2021-11-13 01:36:02,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:01" (2/3) ... [2021-11-13 01:36:02,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2594071e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:36:02, skipping insertion in model container [2021-11-13 01:36:02,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:36:02" (3/3) ... [2021-11-13 01:36:02,117 INFO L111 eAbstractionObserver]: Analyzing ICFG openbsd_cmemset-alloca-1.i [2021-11-13 01:36:02,122 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:36:02,123 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-13 01:36:02,168 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:36:02,176 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 01:36:02,176 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-13 01:36:02,190 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:02,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 01:36:02,197 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:02,197 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-13 01:36:02,198 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2021-11-13 01:36:02,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:02,204 INFO L85 PathProgramCache]: Analyzing trace with hash 2609821, now seen corresponding path program 1 times [2021-11-13 01:36:02,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:02,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328154744] [2021-11-13 01:36:02,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:02,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:02,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:36:02,438 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:02,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328154744] [2021-11-13 01:36:02,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328154744] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:02,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:02,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 01:36:02,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763072393] [2021-11-13 01:36:02,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:02,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:36:02,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:02,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:36:02,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:36:02,514 INFO L87 Difference]: Start difference. First operand has 11 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:02,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:02,621 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2021-11-13 01:36:02,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 01:36:02,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-13 01:36:02,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:02,633 INFO L225 Difference]: With dead ends: 11 [2021-11-13 01:36:02,634 INFO L226 Difference]: Without dead ends: 10 [2021-11-13 01:36:02,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:36:02,643 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.27ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.22ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:02,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 8 Invalid, 28 Unknown, 0 Unchecked, 1.27ms Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 55.22ms Time] [2021-11-13 01:36:02,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-11-13 01:36:02,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2021-11-13 01:36:02,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:02,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2021-11-13 01:36:02,678 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 4 [2021-11-13 01:36:02,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:02,702 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-11-13 01:36:02,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:02,703 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-11-13 01:36:02,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 01:36:02,704 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:02,704 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-13 01:36:02,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 01:36:02,705 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2021-11-13 01:36:02,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:02,709 INFO L85 PathProgramCache]: Analyzing trace with hash 2609822, now seen corresponding path program 1 times [2021-11-13 01:36:02,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:02,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096308172] [2021-11-13 01:36:02,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:02,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:02,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:36:02,882 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:02,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096308172] [2021-11-13 01:36:02,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096308172] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:02,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:02,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 01:36:02,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152774859] [2021-11-13 01:36:02,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:02,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:36:02,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:02,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:36:02,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:36:02,887 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:02,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:02,930 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2021-11-13 01:36:02,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 01:36:02,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-13 01:36:02,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:02,931 INFO L225 Difference]: With dead ends: 11 [2021-11-13 01:36:02,932 INFO L226 Difference]: Without dead ends: 11 [2021-11-13 01:36:02,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:36:02,934 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.74ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.09ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:02,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 12 Invalid, 19 Unknown, 0 Unchecked, 0.74ms Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 19.09ms Time] [2021-11-13 01:36:02,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-11-13 01:36:02,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-13 01:36:02,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:02,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2021-11-13 01:36:02,939 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 4 [2021-11-13 01:36:02,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:02,939 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2021-11-13 01:36:02,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:02,940 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-11-13 01:36:02,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 01:36:02,941 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:02,941 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-13 01:36:02,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 01:36:02,942 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2021-11-13 01:36:02,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:02,943 INFO L85 PathProgramCache]: Analyzing trace with hash 2629929, now seen corresponding path program 1 times [2021-11-13 01:36:02,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:02,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127927147] [2021-11-13 01:36:02,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:02,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:03,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:36:03,072 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:03,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127927147] [2021-11-13 01:36:03,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127927147] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:03,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:03,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 01:36:03,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295170007] [2021-11-13 01:36:03,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:03,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 01:36:03,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:03,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 01:36:03,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:36:03,077 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:03,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:03,088 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2021-11-13 01:36:03,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:36:03,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-13 01:36:03,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:03,090 INFO L225 Difference]: With dead ends: 11 [2021-11-13 01:36:03,090 INFO L226 Difference]: Without dead ends: 11 [2021-11-13 01:36:03,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:36:03,097 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.86ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.55ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:03,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 10 Invalid, 6 Unknown, 0 Unchecked, 0.86ms Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 8.55ms Time] [2021-11-13 01:36:03,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-11-13 01:36:03,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-13 01:36:03,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:03,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-11-13 01:36:03,105 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 4 [2021-11-13 01:36:03,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:03,105 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2021-11-13 01:36:03,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:03,106 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-11-13 01:36:03,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 01:36:03,106 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:03,107 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2021-11-13 01:36:03,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 01:36:03,107 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2021-11-13 01:36:03,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:03,109 INFO L85 PathProgramCache]: Analyzing trace with hash 440543278, now seen corresponding path program 1 times [2021-11-13 01:36:03,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:03,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386142850] [2021-11-13 01:36:03,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:03,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:36:03,372 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:03,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386142850] [2021-11-13 01:36:03,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386142850] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:36:03,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306298429] [2021-11-13 01:36:03,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:03,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:36:03,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:36:03,380 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:36:03,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 01:36:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:03,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 01:36:03,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:36:03,565 INFO L388 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 [2021-11-13 01:36:03,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:36:03,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:36:04,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:36:04,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306298429] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:36:04,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [904984012] [2021-11-13 01:36:04,180 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-11-13 01:36:04,180 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:36:04,185 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:36:04,190 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:36:04,191 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:36:04,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,228 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:04,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:36:04,235 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:04,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-13 01:36:04,237 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:04,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:36:04,241 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:04,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:36:04,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-13 01:36:04,266 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_12|], 3=[|v_#valid_38|]} [2021-11-13 01:36:04,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 01:36:04,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-13 01:36:04,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-13 01:36:04,281 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:04,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:04,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2021-11-13 01:36:04,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:36:04,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:36:04,294 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:04,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:04,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2021-11-13 01:36:04,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:36:04,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:36:04,307 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:04,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:04,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2021-11-13 01:36:04,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:36:04,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:36:04,319 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:04,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:04,336 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:04,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 24 [2021-11-13 01:36:04,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:04,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:04,352 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:04,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:04,363 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-13 01:36:04,368 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:36:04,369 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:385, output treesize:95 [2021-11-13 01:36:04,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-13 01:36:04,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:04,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:36:04,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-13 01:36:04,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 01:36:04,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:36:04,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:36:04,422 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:04,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:04,440 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-13 01:36:04,459 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:36:04,459 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:142, output treesize:138 [2021-11-13 01:36:04,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-13 01:36:04,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-13 01:36:04,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,513 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:04,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:04,524 INFO L185 QuantifierPusher]: treesize reduction 5, result has 97.2 percent of original size 173 [2021-11-13 01:36:04,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:04,553 INFO L388 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 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-13 01:36:04,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:36:04,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:36:04,556 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:04,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:04,582 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,592 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.1 percent of original size [2021-11-13 01:36:04,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-13 01:36:04,599 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:36:04,600 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:176, output treesize:167 [2021-11-13 01:36:04,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:04,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:04,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:04,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,794 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:04,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,810 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:04,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-13 01:36:04,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-13 01:36:04,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:04,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:04,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,914 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:04,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-13 01:36:04,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:36:04,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:04,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:36:04,948 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:04,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-13 01:36:04,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 399 [2021-11-13 01:36:04,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:04,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-13 01:36:04,972 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:04,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,976 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:04,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-13 01:36:04,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:36:04,982 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:04,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:04,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:36:04,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 479 [2021-11-13 01:36:05,518 INFO L180 QuantifierPusher]: treesize reduction 38, result has 90.9 percent of original size [2021-11-13 01:36:05,538 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:05,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:05,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-13 01:36:05,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 374 [2021-11-13 01:36:05,955 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:05,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:05,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:05,974 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:05,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:05,993 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:05,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:05,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:36:05,995 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:05,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:05,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:36:06,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-13 01:36:06,012 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:06,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 302 [2021-11-13 01:36:06,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 303 [2021-11-13 01:36:06,041 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:06,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:06,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,083 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:06,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,090 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:06,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:36:06,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:06,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:36:06,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-13 01:36:06,111 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:06,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 302 [2021-11-13 01:36:06,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 303 [2021-11-13 01:36:06,162 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:06,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:36:06,166 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:06,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:36:06,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 334 [2021-11-13 01:36:06,202 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:06,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:06,214 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:06,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-13 01:36:06,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 338 [2021-11-13 01:36:06,233 INFO L446 ElimStorePlain]: Different costs {2=[v_prenex_2], 6=[|v_#memory_int_10|]} [2021-11-13 01:36:06,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:06,249 INFO L388 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 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-13 01:36:06,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:36:06,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:36:06,252 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:06,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,271 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:06,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:06,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:06,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-11-13 01:36:06,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:36:06,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:36:06,298 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:06,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-11-13 01:36:06,333 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:36:06,333 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:336, output treesize:328 [2021-11-13 01:36:06,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,424 INFO L180 QuantifierPusher]: treesize reduction 18, result has 84.5 percent of original size [2021-11-13 01:36:06,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-13 01:36:06,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:36:06,444 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.7 percent of original size [2021-11-13 01:36:06,447 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:06,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:36:06,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-13 01:36:06,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 01:36:06,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-13 01:36:06,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-13 01:36:06,463 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:06,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,468 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-11-13 01:36:06,473 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:36:06,473 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:118, output treesize:114 [2021-11-13 01:36:06,485 INFO L180 QuantifierPusher]: treesize reduction 18, result has 84.5 percent of original size [2021-11-13 01:36:06,490 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-13 01:36:06,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:06,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:36:06,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:06,719 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:36:08,495 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:36:08,496 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:36:08,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 18 [2021-11-13 01:36:08,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665652322] [2021-11-13 01:36:08,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:36:08,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-13 01:36:08,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:08,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-13 01:36:08,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2021-11-13 01:36:08,498 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 20 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:08,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:08,787 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2021-11-13 01:36:08,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 01:36:08,788 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-13 01:36:08,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:08,788 INFO L225 Difference]: With dead ends: 14 [2021-11-13 01:36:08,789 INFO L226 Difference]: Without dead ends: 14 [2021-11-13 01:36:08,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=103, Invalid=653, Unknown=0, NotChecked=0, Total=756 [2021-11-13 01:36:08,790 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.84ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 112.47ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:08,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 13 Invalid, 109 Unknown, 0 Unchecked, 1.84ms Time], IncrementalHoareTripleChecker [7 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 112.47ms Time] [2021-11-13 01:36:08,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-13 01:36:08,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-13 01:36:08,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:08,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2021-11-13 01:36:08,793 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 7 [2021-11-13 01:36:08,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:08,794 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2021-11-13 01:36:08,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:08,794 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2021-11-13 01:36:08,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 01:36:08,794 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:08,795 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:08,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 01:36:09,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:36:09,004 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2021-11-13 01:36:09,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:09,004 INFO L85 PathProgramCache]: Analyzing trace with hash 440542243, now seen corresponding path program 1 times [2021-11-13 01:36:09,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:09,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800416441] [2021-11-13 01:36:09,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:09,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:09,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:36:09,049 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:09,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800416441] [2021-11-13 01:36:09,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800416441] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:09,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:09,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 01:36:09,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412069976] [2021-11-13 01:36:09,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:09,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:36:09,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:09,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:36:09,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:36:09,051 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:09,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:09,058 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2021-11-13 01:36:09,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:36:09,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-13 01:36:09,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:09,059 INFO L225 Difference]: With dead ends: 13 [2021-11-13 01:36:09,059 INFO L226 Difference]: Without dead ends: 11 [2021-11-13 01:36:09,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:36:09,060 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.27ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.79ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:09,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 10 Invalid, 6 Unknown, 0 Unchecked, 0.27ms Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 5.79ms Time] [2021-11-13 01:36:09,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-11-13 01:36:09,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-13 01:36:09,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:09,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-11-13 01:36:09,063 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2021-11-13 01:36:09,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:09,063 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2021-11-13 01:36:09,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:09,064 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-11-13 01:36:09,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 01:36:09,064 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:09,064 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2021-11-13 01:36:09,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-13 01:36:09,065 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2021-11-13 01:36:09,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:09,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1194514274, now seen corresponding path program 2 times [2021-11-13 01:36:09,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:09,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607535028] [2021-11-13 01:36:09,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:09,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:09,266 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:36:09,266 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:09,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607535028] [2021-11-13 01:36:09,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607535028] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:36:09,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108532675] [2021-11-13 01:36:09,266 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 01:36:09,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:36:09,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:36:09,272 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:36:09,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 01:36:09,361 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-13 01:36:09,361 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 01:36:09,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-13 01:36:09,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:36:09,388 INFO L388 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 [2021-11-13 01:36:09,719 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:36:09,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:36:10,094 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:36:10,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108532675] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:36:10,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2073901130] [2021-11-13 01:36:10,096 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-11-13 01:36:10,096 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:36:10,096 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:36:10,097 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:36:10,097 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:36:10,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,115 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:10,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:36:10,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:10,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:36:10,121 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:10,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:36:10,124 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:10,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-13 01:36:10,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-13 01:36:10,131 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 3=[|v_#valid_39|]} [2021-11-13 01:36:10,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 01:36:10,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-13 01:36:10,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-13 01:36:10,142 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:10,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 01:36:10,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-13 01:36:10,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-13 01:36:10,153 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:10,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 01:36:10,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-13 01:36:10,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-13 01:36:10,163 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:10,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:10,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2021-11-13 01:36:10,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:36:10,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:36:10,173 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:10,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,186 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:10,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 24 [2021-11-13 01:36:10,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:10,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:10,204 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:10,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:10,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 24 [2021-11-13 01:36:10,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:10,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:10,221 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:10,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:10,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 24 [2021-11-13 01:36:10,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:10,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:10,237 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:10,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,251 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-11-13 01:36:10,259 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-11-13 01:36:10,260 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 2 variables, input treesize:385, output treesize:280 [2021-11-13 01:36:10,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 301 [2021-11-13 01:36:10,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,287 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:10,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:36:10,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 333 [2021-11-13 01:36:10,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 01:36:10,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-13 01:36:10,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-13 01:36:10,309 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:10,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 01:36:10,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-13 01:36:10,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-13 01:36:10,323 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:10,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:10,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2021-11-13 01:36:10,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:36:10,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:36:10,336 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:10,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,351 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 274 [2021-11-13 01:36:10,362 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:36:10,362 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:421, output treesize:274 [2021-11-13 01:36:10,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,376 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:10,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-13 01:36:10,396 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:10,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,408 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:10,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:10,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 342 [2021-11-13 01:36:10,418 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:10,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:10,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 342 [2021-11-13 01:36:10,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-13 01:36:10,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:10,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:10,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-13 01:36:10,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:10,776 INFO L388 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 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-13 01:36:10,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:36:10,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:36:10,788 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:10,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,794 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-13 01:36:10,802 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:36:10,802 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:161 [2021-11-13 01:36:10,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,851 INFO L180 QuantifierPusher]: treesize reduction 18, result has 85.2 percent of original size [2021-11-13 01:36:10,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-13 01:36:10,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-13 01:36:10,867 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.8 percent of original size [2021-11-13 01:36:10,871 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:10,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:36:10,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-11-13 01:36:10,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 01:36:10,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-13 01:36:10,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-13 01:36:10,885 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:10,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,892 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-13 01:36:10,897 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:36:10,898 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:124, output treesize:120 [2021-11-13 01:36:10,904 INFO L180 QuantifierPusher]: treesize reduction 18, result has 85.2 percent of original size [2021-11-13 01:36:10,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-13 01:36:10,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:10,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-13 01:36:10,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:10,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:11,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:11,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:11,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:11,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:11,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:11,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:11,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:11,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:11,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:11,070 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:36:12,054 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:36:12,054 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:36:12,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 24 [2021-11-13 01:36:12,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239518695] [2021-11-13 01:36:12,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:36:12,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-13 01:36:12,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:12,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-13 01:36:12,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=832, Unknown=0, NotChecked=0, Total=930 [2021-11-13 01:36:12,057 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:12,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:12,620 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2021-11-13 01:36:12,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 01:36:12,631 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-13 01:36:12,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:12,632 INFO L225 Difference]: With dead ends: 20 [2021-11-13 01:36:12,632 INFO L226 Difference]: Without dead ends: 20 [2021-11-13 01:36:12,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=182, Invalid=1540, Unknown=0, NotChecked=0, Total=1722 [2021-11-13 01:36:12,634 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 2 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.97ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 151.44ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:12,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 2 Invalid, 181 Unknown, 0 Unchecked, 1.97ms Time], IncrementalHoareTripleChecker [14 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 151.44ms Time] [2021-11-13 01:36:12,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-13 01:36:12,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-13 01:36:12,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:12,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2021-11-13 01:36:12,638 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 10 [2021-11-13 01:36:12,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:12,638 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2021-11-13 01:36:12,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:12,638 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2021-11-13 01:36:12,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 01:36:12,639 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:12,639 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1] [2021-11-13 01:36:12,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 01:36:12,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-11-13 01:36:12,850 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2021-11-13 01:36:12,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:12,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1737522222, now seen corresponding path program 3 times [2021-11-13 01:36:12,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:12,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803686232] [2021-11-13 01:36:12,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:12,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:13,270 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:36:13,270 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:13,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803686232] [2021-11-13 01:36:13,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803686232] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:36:13,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332193123] [2021-11-13 01:36:13,270 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 01:36:13,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:36:13,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:36:13,271 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:36:13,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 01:36:13,390 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 01:36:13,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 01:36:13,393 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 81 conjunts are in the unsatisfiable core [2021-11-13 01:36:13,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:36:13,408 INFO L388 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 [2021-11-13 01:36:14,014 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:36:14,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:36:14,912 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:36:14,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332193123] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:36:14,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1045845002] [2021-11-13 01:36:14,914 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-11-13 01:36:14,915 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:36:14,915 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:36:14,915 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:36:14,915 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:36:14,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:14,927 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:14,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:14,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:36:14,930 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:14,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:14,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-13 01:36:14,933 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:14,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:14,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:36:14,936 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:14,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:14,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:36:14,938 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-13 01:36:14,942 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_16|], 3=[|v_#valid_40|]} [2021-11-13 01:36:14,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 01:36:14,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:14,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-13 01:36:14,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:14,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-13 01:36:14,953 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:14,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 01:36:14,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:14,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-13 01:36:14,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:14,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-13 01:36:14,963 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:14,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 01:36:14,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:14,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-13 01:36:14,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:14,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-13 01:36:14,977 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:14,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:14,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2021-11-13 01:36:14,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:14,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:36:14,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:14,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:36:14,987 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:14,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,000 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:15,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 24 [2021-11-13 01:36:15,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,018 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:15,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:15,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 24 [2021-11-13 01:36:15,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,035 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:15,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:15,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 24 [2021-11-13 01:36:15,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,050 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:15,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,063 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-11-13 01:36:15,086 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-11-13 01:36:15,087 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 2 variables, input treesize:385, output treesize:280 [2021-11-13 01:36:15,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 301 [2021-11-13 01:36:15,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,113 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:36:15,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 333 [2021-11-13 01:36:15,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 01:36:15,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:36:15,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:36:15,133 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:15,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 01:36:15,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:36:15,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:36:15,145 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:15,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 01:36:15,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:36:15,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:36:15,158 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:15,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,181 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 409 [2021-11-13 01:36:15,193 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-13 01:36:15,193 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:421, output treesize:409 [2021-11-13 01:36:15,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,207 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 427 [2021-11-13 01:36:15,227 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,235 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:36:15,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 463 [2021-11-13 01:36:15,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 438 [2021-11-13 01:36:15,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 439 [2021-11-13 01:36:15,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,289 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:36:15,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 472 [2021-11-13 01:36:15,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,336 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,349 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,352 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 490 [2021-11-13 01:36:15,363 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,371 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,387 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,404 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,415 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:36:15,418 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,421 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 529 [2021-11-13 01:36:15,432 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,440 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,443 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 502 [2021-11-13 01:36:15,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 503 [2021-11-13 01:36:15,470 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,473 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:36:15,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 541 [2021-11-13 01:36:15,502 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,504 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,507 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,510 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,533 INFO L185 QuantifierPusher]: treesize reduction 36, result has 93.5 percent of original size 515 [2021-11-13 01:36:15,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:15,559 INFO L388 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 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-13 01:36:15,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:36:15,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:36:15,562 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:15,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:36:15,609 INFO L388 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 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-13 01:36:15,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:36:15,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:36:15,611 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:15,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,639 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,649 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:36:15,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:36:15,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:36:15,651 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:15,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,670 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,679 INFO L180 QuantifierPusher]: treesize reduction 24, result has 93.3 percent of original size [2021-11-13 01:36:15,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,683 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:36:15,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-13 01:36:15,690 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-11-13 01:36:15,691 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:544, output treesize:332 [2021-11-13 01:36:15,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:36:15,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-13 01:36:15,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,741 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:36:15,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:36:15,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-13 01:36:15,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 01:36:15,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,747 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-13 01:36:15,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-13 01:36:15,748 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:36:15,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,749 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:36:15,750 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:36:15,751 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:26 [2021-11-13 01:36:15,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:36:15,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:36:15,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-13 01:36:15,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:36:15,780 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:36:16,138 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:36:16,138 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:36:16,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 40 [2021-11-13 01:36:16,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580533744] [2021-11-13 01:36:16,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:36:16,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2021-11-13 01:36:16,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:16,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-11-13 01:36:16,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=1759, Unknown=0, NotChecked=0, Total=1980 [2021-11-13 01:36:16,141 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 42 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 41 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:17,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:17,199 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2021-11-13 01:36:17,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 01:36:17,199 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 41 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-13 01:36:17,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:17,200 INFO L225 Difference]: With dead ends: 22 [2021-11-13 01:36:17,200 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 01:36:17,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1056 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=481, Invalid=3679, Unknown=0, NotChecked=0, Total=4160 [2021-11-13 01:36:17,203 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 2 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 230.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.91ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 272.79ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:17,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 0 Invalid, 367 Unknown, 0 Unchecked, 2.91ms Time], IncrementalHoareTripleChecker [37 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 272.79ms Time] [2021-11-13 01:36:17,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 01:36:17,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 01:36:17,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:17,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 01:36:17,204 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2021-11-13 01:36:17,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:17,205 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 01:36:17,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 41 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:17,205 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 01:36:17,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 01:36:17,208 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATION (2 of 3 remaining) [2021-11-13 01:36:17,208 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATION (1 of 3 remaining) [2021-11-13 01:36:17,209 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 3 remaining) [2021-11-13 01:36:17,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-13 01:36:17,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:36:17,427 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2021-11-13 01:36:17,429 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 01:36:17,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:36:17 BoogieIcfgContainer [2021-11-13 01:36:17,435 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 01:36:17,436 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 01:36:17,436 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 01:36:17,436 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 01:36:17,439 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:36:02" (3/4) ... [2021-11-13 01:36:17,442 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 01:36:17,454 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-11-13 01:36:17,455 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-13 01:36:17,455 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-13 01:36:17,455 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 01:36:17,499 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-13 01:36:17,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 01:36:17,500 INFO L158 Benchmark]: Toolchain (without parser) took 16234.87ms. Allocated memory was 111.1MB in the beginning and 153.1MB in the end (delta: 41.9MB). Free memory was 68.0MB in the beginning and 107.8MB in the end (delta: -39.8MB). Peak memory consumption was 972.6kB. Max. memory is 16.1GB. [2021-11-13 01:36:17,500 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:36:17,500 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.81ms. Allocated memory is still 111.1MB. Free memory was 67.8MB in the beginning and 80.0MB in the end (delta: -12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 01:36:17,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.93ms. Allocated memory is still 111.1MB. Free memory was 79.8MB in the beginning and 78.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:36:17,502 INFO L158 Benchmark]: Boogie Preprocessor took 25.11ms. Allocated memory is still 111.1MB. Free memory was 78.2MB in the beginning and 77.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:36:17,502 INFO L158 Benchmark]: RCFGBuilder took 332.53ms. Allocated memory is still 111.1MB. Free memory was 77.0MB in the beginning and 65.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 01:36:17,502 INFO L158 Benchmark]: TraceAbstraction took 15325.48ms. Allocated memory was 111.1MB in the beginning and 153.1MB in the end (delta: 41.9MB). Free memory was 64.5MB in the beginning and 110.5MB in the end (delta: -46.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:36:17,503 INFO L158 Benchmark]: Witness Printer took 63.45ms. Allocated memory is still 153.1MB. Free memory was 110.5MB in the beginning and 107.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:36:17,505 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.81ms. Allocated memory is still 111.1MB. Free memory was 67.8MB in the beginning and 80.0MB in the end (delta: -12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.93ms. Allocated memory is still 111.1MB. Free memory was 79.8MB in the beginning and 78.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.11ms. Allocated memory is still 111.1MB. Free memory was 78.2MB in the beginning and 77.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.53ms. Allocated memory is still 111.1MB. Free memory was 77.0MB in the beginning and 65.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 15325.48ms. Allocated memory was 111.1MB in the beginning and 153.1MB in the end (delta: 41.9MB). Free memory was 64.5MB in the beginning and 110.5MB in the end (delta: -46.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 63.45ms. Allocated memory is still 153.1MB. Free memory was 110.5MB in the beginning and 107.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 523]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 15.3s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 625.34ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 55 SdHoareTripleChecker+Invalid, 525.30ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 652 IncrementalHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 21 mSDtfsCounter, 652 mSolverCounterSat, 9.85ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1511 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=6, InterpolantAutomatonStates: 66, 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, 7 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 2022 SizeOfPredicates, 38 NumberOfNonLiveVariables, 318 ConjunctsInSsa, 161 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 15/147 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-13 01:36:17,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac89a7a-5b5a-4454-b73f-77671a94729c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE